Jahwa Electronics Co., Ltd.

Republic of Korea

Back to Profile

1-100 of 114 for Jahwa Electronics Co., Ltd. Sort by
Query
Patent
World - WIPO
Aggregations Reset Report
Date
New (last 4 weeks) 2
2026 May 2
2026 April 1
2026 February 5
2026 (YTD) 9
See more
IPC Class
H04N 5/225 - Television cameras 34
G03B 13/36 - Autofocus systems 26
G03B 17/12 - Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets 25
G03B 3/10 - Power-operated focusing 25
G03B 5/00 - Adjustment of optical system relative to image or object surface other than for focusing of general interest for cameras, projectors or printers 24
See more
Found results for  patents
  1     2        Next Page

1.

CAMERA MODULE

      
Application Number KR2025011697
Publication Number 2026/100900
Status In Force
Filing Date 2025-08-05
Publication Date 2026-05-15
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor Kang, Il Kyu

Abstract

Disclosed is a camera module having a structure in which a stopper component for limiting the movement of a lens in a forward and backward direction is replaced with a portion of another component. According to an aspect of the present invention, the camera module may comprise: a chassis frame which has a lens inserted through the center thereof, and in which internal components for driving and supporting the lens are stacked, installed, and supported; and a reinforcing support member which is insert-injection-molded and coupled to the chassis frame to increase rigidity of the chassis frame, and in which a plurality of bent portions partially extending from a body is bent to fix the internal components.

IPC Classes  ?

  • G03B 17/12 - Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
  • H04N 23/55 - Optical parts specially adapted for electronic image sensorsMounting thereof
  • G02B 7/02 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses

2.

CAMERA ACTUATOR

      
Application Number KR2025011640
Publication Number 2026/100899
Status In Force
Filing Date 2025-08-04
Publication Date 2026-05-15
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Park, Chang Wook
  • Park, Chan Woo

Abstract

A camera actuator is disclosed. The camera actuator, according to one aspect of the present invention, may comprise a base, an AF carrier, an OIS carrier, a first driving unit including a first coil and a first magnet, a second driving unit including a second coil and a second magnet, and a suction yoke. The suction yoke may comprise a first yoke adjacent to the magnetic pole of the first magnet farthest from the second magnet, and a second yoke adjacent to the magnetic pole of the second magnet farthest from the first magnet.

IPC Classes  ?

  • G03B 5/06 - Swinging lens about normal to the optical axis
  • G03B 3/10 - Power-operated focusing
  • G03B 13/36 - Autofocus systems
  • H04N 23/68 - Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
  • H04N 23/54 - Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
  • H04N 23/55 - Optical parts specially adapted for electronic image sensorsMounting thereof

3.

CAMERA ACTUATOR

      
Application Number KR2025010268
Publication Number 2026/084185
Status In Force
Filing Date 2025-07-14
Publication Date 2026-04-23
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Kim, Jin Tae
  • Hong, In Cheol
  • Lee, Yongsu

Abstract

A camera actuator is disclosed. The camera actuator includes an OIS carrier, a base, a first driver, a second driver, at least one first sensor for sensing a distance from a first magnet, and at least one second sensor for sensing a magnetic field change in the boundaries of the magnetic poles of the first magnet.

IPC Classes  ?

  • G03B 5/06 - Swinging lens about normal to the optical axis
  • G03B 3/10 - Power-operated focusing
  • G03B 13/36 - Autofocus systems
  • H04N 23/54 - Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
  • H04N 23/68 - Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations

4.

COGNITIVE SENSOR MODULE HAVING FOREIGN SUBSTANCE REMOVAL FUNCTION

      
Application Number KR2025010300
Publication Number 2026/043108
Status In Force
Filing Date 2025-07-14
Publication Date 2026-02-26
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Yu, Min Heon
  • Kim, Gi Ho
  • Kim, Yu Shin
  • Kim, Ji Hoon

Abstract

The present invention relates to a cognitive sensor module having a foreign substance removal function. More specifically, disclosed is a cognitive sensor module having a foreign substance removal function, the module being structured such that in a foreign substance removal driving unit for removing foreign substances when the foreign substances are attached to cover glass at the front of the front-facing cognitive sensor module for autonomous driving, driving power for operation of the foreign substance removal driving unit is stably applied, an electrically and mechanically robust connection state is maintained even under harsh use conditions in which impacts are applied from the outside, and assemblability is improved by means of flexible coupling. The cognitive sensor module having a foreign substance removal function, according to the present invention, comprises: a holder unit including a cognitive sensor; a foreign substance removal driving unit for removing foreign substances attached to the surface of cover glass or a lens positioned at the front of the holder unit; a flexible circuit board for applying driving power to the foreign substance removal driving unit; and a front frame having a through hole through which the flexible circuit board passes, and has a protrusion part formed toward the inside of the through hole in the through hole of the front frame, and a penetration part formed in the flexible circuit board such that the penetration part of the flexible circuit board is inserted into the protrusion part formed in the through hole of the front frame.

IPC Classes  ?

  • G01N 27/24 - Investigating the presence of flaws
  • B60S 1/56 - Cleaning windscreens, windows, or optical devices specially adapted for cleaning other parts or devices than front windows or windscreens
  • B60S 1/52 - Arrangement of nozzles
  • B60S 1/54 - Cleaning windscreens, windows, or optical devices using gas, e.g. hot air

5.

COGNITIVE SENSOR MODULE

      
Application Number KR2025010299
Publication Number 2026/043107
Status In Force
Filing Date 2025-07-14
Publication Date 2026-02-26
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor Kim, Gi Ho

Abstract

The present invention relates to a cognitive sensor module mostly mounted on self-driving vehicles. More specifically, disclosed is a cognitive sensor module which, when foreign substances are attached to a cover glass in front of the cognitive sensor module, detects contamination by the foreign substances by detecting minute changes in current amount when an ultrasonic vibrator is driven, and removes the foreign substances by operating a foreign substance removal driving unit. The present invention relates to a cognitive sensor module comprising: a cover glass or a lens in front of a cognitive sensor; an ultrasonic vibrator for removing foreign substances attached to the surface of the cover glass or the lens through ultrasonic vibration; and an ultrasonic vibrator control unit for controlling the ultrasonic vibrator. The ultrasonic vibrator control unit is characterized by comprising: an ultrasonic vibrator driving unit for driving the ultrasonic vibrator; an electrical change detection unit for detecting electrical changes, caused by the foreign substances attached to the surface of the cover glass or the lens, when the ultrasonic vibrator is driven; and a foreign substance determination unit for receiving an electrical signal detected by the detection unit and determining whether foreign substances are present.

IPC Classes  ?

  • G01N 27/20 - Investigating the presence of flaws
  • G01N 27/24 - Investigating the presence of flaws
  • B60S 1/56 - Cleaning windscreens, windows, or optical devices specially adapted for cleaning other parts or devices than front windows or windscreens
  • B60S 1/52 - Arrangement of nozzles
  • B60S 1/54 - Cleaning windscreens, windows, or optical devices using gas, e.g. hot air

6.

IRIS ACTUATOR

      
Application Number KR2025007853
Publication Number 2026/038660
Status In Force
Filing Date 2025-06-10
Publication Date 2026-02-19
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor Choi, Dongju

Abstract

An iris actuator is disclosed. An iris actuator according to an aspect of the present invention may comprise a base, a rotator, a blade, and an iris driving unit. A ball rail may be formed such that a ball is disposed through a base rail unit and a rotator rail unit, and the first auxiliary rail surface of the rotator rail unit may have an inclined surface.

IPC Classes  ?

  • G03B 7/10 - Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device a servo-motor providing energy to move the setting member
  • G03B 7/085 - Analogue circuits for control of aperture
  • G03B 9/06 - Two or more co-operating pivoted blades e.g. iris type

7.

ACTUATOR FOR CAMERA

      
Application Number KR2025007801
Publication Number 2026/038659
Status In Force
Filing Date 2025-06-09
Publication Date 2026-02-19
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Kim, Hee Seung
  • Kim, In Soo
  • Jeon, Ki Hoon

Abstract

An actuator for a camera according to one embodiment of the present invention is characterized by comprising: a carrier which moves linearly; a housing which supports the linear movement of the carrier; a magnet which is installed on the carrier; a coil which is installed on the housing so as to face the magnet; and a plurality of balls which are arranged between the carrier and the housing, wherein the plurality of balls include one main ball which has the largest diameter.

IPC Classes  ?

  • H04N 23/54 - Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
  • G03B 5/00 - Adjustment of optical system relative to image or object surface other than for focusing of general interest for cameras, projectors or printers
  • G03B 3/10 - Power-operated focusing
  • G03B 13/36 - Autofocus systems
  • G03B 17/02 - Bodies

8.

ACTUATOR FOR CAMERA MODULE AND INITIAL SETTING METHOD OF CAMERA MODULE

      
Application Number KR2025007920
Publication Number 2026/034769
Status In Force
Filing Date 2025-06-10
Publication Date 2026-02-12
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Park, Chang Wook
  • Park, Chan Woo

Abstract

An actuator for a camera module is provided. The actuator for a camera module according to an aspect of the present invention may comprise: a housing; an AF carrier accommodated in the housing; an OIS carrier including a guide surface protruding from a first side surface parallel to the optical axis in a first direction perpendicular thereto; a driving unit including magnets and driving coils corresponding to each other; and position detection sensors disposed at the driving coil side, wherein the guide surface is a horizontal surface the length of which parallel to the optical axis is shorter than the length perpendicular thereto.

IPC Classes  ?

  • G03B 5/06 - Swinging lens about normal to the optical axis
  • G03B 3/10 - Power-operated focusing
  • G03B 13/36 - Autofocus systems
  • G03B 17/12 - Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
  • H04N 23/54 - Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
  • H04N 23/55 - Optical parts specially adapted for electronic image sensorsMounting thereof

9.

APPARATUS FOR CONTROLLING MOTOR AND METHOD FOR CONTROLLING INVERTER

      
Application Number KR2025009813
Publication Number 2026/014864
Status In Force
Filing Date 2025-07-08
Publication Date 2026-01-15
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Kim, Gi Ho
  • Nam, Kyoung Wook

Abstract

An apparatus for controlling a motor, according to one embodiment of the present invention, is an apparatus for controlling a motor driven by three-phase alternating current power, the apparatus comprising: an inverter for converting direct current power into the three-phase alternating current power by means of the switching operation of a plurality of switching elements, and supplying the converted three-phase alternating current power to the motor; and a control unit which generates three-phase PWM signals for controlling the inverter, and which controls that two or more of the three-phase PWM signals are shifted such that the PWM signals of the respective phases constituting the three-phase PWM signals are asymmetrical to each other.

IPC Classes  ?

  • H02P 27/08 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters with pulse width modulation
  • H02P 29/50 - Reduction of harmonics
  • H02M 7/5395 - Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters with automatic control of output wave form or frequency by pulse-width modulation

10.

CAMERA MODULE

      
Application Number KR2025099607
Publication Number 2025/230388
Status In Force
Filing Date 2025-03-07
Publication Date 2025-11-06
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Byun, Geon Hyung
  • Kim, Hee Seoung
  • Park, Chang Wook

Abstract

A camera module is disclosed. A camera module according to one aspect of the present invention may comprise a base unit, a shield can unit, an iris module, a lens module, and a flexible member. At this time, the flexible member is disposed on the upper part of the shield can part, and a part of the flexible member is seated and supported on the upper surface of the shield can part, thereby preventing downward sagging.

IPC Classes  ?

  • H04N 23/54 - Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
  • H04N 23/55 - Optical parts specially adapted for electronic image sensorsMounting thereof
  • H04N 23/68 - Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
  • G03B 3/10 - Power-operated focusing
  • G03B 13/36 - Autofocus systems
  • G03B 5/06 - Swinging lens about normal to the optical axis
  • G03B 9/06 - Two or more co-operating pivoted blades e.g. iris type
  • H05K 1/18 - Printed circuits structurally associated with non-printed electric components
  • H05K 9/00 - Screening of apparatus or components against electric or magnetic fields

11.

CAMERA MODULE

      
Application Number KR2025099608
Publication Number 2025/230389
Status In Force
Filing Date 2025-03-07
Publication Date 2025-11-06
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Byun, Geon Hyung
  • Kim, Hee Seoung
  • Park, Chang Wook

Abstract

A camera module is disclosed. A camera module according to an aspect of the present invention may include a base unit, a shield can unit, an iris module, a lens module, and a flexible member. Here, the flexible member may be disposed between the base unit and the shield can unit, and a portion thereof may be seated and supported on the protruding upper surface of a carrier module, thereby preventing downward sagging.

IPC Classes  ?

  • H04N 23/54 - Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
  • H04N 23/55 - Optical parts specially adapted for electronic image sensorsMounting thereof
  • H04N 23/68 - Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
  • G03B 3/10 - Power-operated focusing
  • G03B 13/36 - Autofocus systems
  • G03B 5/06 - Swinging lens about normal to the optical axis
  • G03B 9/06 - Two or more co-operating pivoted blades e.g. iris type
  • H05K 1/18 - Printed circuits structurally associated with non-printed electric components
  • H05K 9/00 - Screening of apparatus or components against electric or magnetic fields

12.

LEAD LENS-TYPE FOLDED ACTUATOR HAVING AF-DRIVEN LIGHT-REFRACTING ELEMENT AND CAMERA INCLUDING ACTUATOR

      
Application Number KR2024014227
Publication Number 2025/105684
Status In Force
Filing Date 2024-09-20
Publication Date 2025-05-22
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Kim, Dok Hyun
  • Park, Gyu Tae
  • Cho, Hyeon Ik

Abstract

The present invention relates to a lead lens-type folded actuator in which a light-refracting element is AF-driven, and to a camera equipped with the actuator. The actuator includes a box body including a base and a case and having an inner space. The upper surface of the box body has a through-portion through which incident light from a subject is incident, and the side surface of the box body is provided with a light-emitting part. In the inner space of the box body, a light-refracting AF module, an OIS module, and a lens module, which is inserted into a through-portion formed in the center of an IS module, are arranged in this order from the bottom. The light-refracting AF module includes a light-refracting element, and light emitted from the lens module is incident and refracted by the light-refracting element and is then emitted in a first direction toward the light-emitting part. The light-refracting AF module moves relative to the base in the first direction toward the light-emitting part and is autofocusing-driven to change the focus of the light emitted from the lens module. The OIS module is OIS-driven to slightly move the lens module in the first direction and a second direction, perpendicular to the first direction, on a plane perpendicular to the incident light incident on the lens module.

IPC Classes  ?

  • G03B 3/10 - Power-operated focusing
  • G03B 13/36 - Autofocus systems
  • G03B 5/06 - Swinging lens about normal to the optical axis
  • G03B 17/17 - Bodies with reflectors arranged in beam forming the photographic image, e.g. for reducing dimensions of camera
  • G03B 17/12 - Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
  • H04N 23/54 - Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
  • H04N 23/55 - Optical parts specially adapted for electronic image sensorsMounting thereof
  • H02K 41/035 - DC motorsUnipolar motors

13.

HYBRID ACTUATOR FOR REFLECTOR

      
Application Number KR2024007620
Publication Number 2025/041984
Status In Force
Filing Date 2024-06-04
Publication Date 2025-02-27
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Lee, Geun-Tae
  • Yeon, Je-Seung

Abstract

A hybrid actuator for a reflector according to an embodiment of the present invention includes: a carrier to which a reflector for reflecting light of a subject is mounted; a middle guide for supporting rotational movement of the carrier; a rotation driving part for providing a driving force so that the carrier rotates and moves; a first ball disposed between the carrier and the middle guide; a housing for supporting linear movement of the middle guide; a linear driving part for providing a driving force so that the middle guide linearly moves; and a second ball disposed between the middle guide and the housing.

IPC Classes  ?

  • H04N 23/68 - Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
  • H04N 23/54 - Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
  • G03B 5/04 - Vertical adjustment of lensRising fronts
  • G03B 17/12 - Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
  • H02K 41/035 - DC motorsUnipolar motors

14.

ACTUATOR FOR REFLECTOR

      
Application Number KR2024012111
Publication Number 2025/037913
Status In Force
Filing Date 2024-08-14
Publication Date 2025-02-20
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Hong, In-Cheol
  • Go, Je-Yong

Abstract

An actuator for a reflector according to an embodiment of the present invention comprises: a base; a middle guide which rotates relative to the base and rotates about a second plane direction; a carrier which rotates relative to the middle guide and rotates about a first plane direction perpendicular to the second plane direction, and in which a reflector is installed; a plurality of Hall sensors facing a magnet installed in the middle guide and provided at different positions; and a driving driver which controls a current applied to a coil facing the magnet by using a plurality of signal values inputted from each of the plurality of Hall sensors.

IPC Classes  ?

  • G03B 5/00 - Adjustment of optical system relative to image or object surface other than for focusing of general interest for cameras, projectors or printers
  • G03B 3/10 - Power-operated focusing
  • G03B 17/17 - Bodies with reflectors arranged in beam forming the photographic image, e.g. for reducing dimensions of camera
  • H02K 33/18 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with coil systems moving upon intermittent or reversed energisation thereof by interaction with a fixed field system, e.g. permanent magnets
  • H02K 11/215 - Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements
  • H02P 6/00 - Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor positionElectronic commutators therefor
  • H02P 6/04 - Arrangements for controlling or regulating the speed or torque of more than one motor

15.

ACTUATOR FOR CAMERA AND INCLUDING TILT SUPPRESSING STRUCTURE

      
Application Number KR2024011484
Publication Number 2025/033896
Status In Force
Filing Date 2024-08-05
Publication Date 2025-02-13
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Jeon, Ki-Hoon
  • Hwang, Kyung-No
  • Jung, Kyung-Yang
  • Kim, Seung-Ki

Abstract

An actuator for a camera, which has a tilt suppressing structure, according to an embodiment of the present invention, includes: a carrier which moves in the optical axis direction; a cover unit having the carrier mounted thereon; and a driving unit which moves the carrier in the optical axis direction, wherein a first gap which is between a first portion of the carrier, in which a part of the driving unit is included, and the cover unit corresponding to the first portion on the basis of the optical axis direction, is configured to be less than a second gap between a second portion that is opposite to the first portion on the basis of a middle portion of the carrier, and the cover unit corresponding to the second portion on the basis of the optical axis direction.

IPC Classes  ?

16.

ACTUATOR FOR CAMERA

      
Application Number KR2024095959
Publication Number 2025/034086
Status In Force
Filing Date 2024-08-01
Publication Date 2025-02-13
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Jeon, Ki-Hoon
  • Kim, Seung-Ki
  • Jung, Kyung-Yang
  • Hwang, Kyung-No

Abstract

An actuator for a camera, according to an embodiment of the present invention, comprises: a carrier which moves in an optical-axis direction or a direction perpendicular to the optical-axis direction; a cover unit which provides a moving space for the carrier; a damper which mitigates impacts applied to the carrier; and a buffer which buffers impacts applied to the carrier and is provided at a different position from the damper, wherein a first gap between the buffer and the carrier or between the buffer and the cover unit is greater than a second gap between the damper and the carrier or between the damper and the cover unit.

IPC Classes  ?

  • H04N 23/54 - Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
  • G03B 5/00 - Adjustment of optical system relative to image or object surface other than for focusing of general interest for cameras, projectors or printers
  • G03B 13/36 - Autofocus systems
  • G03B 3/10 - Power-operated focusing
  • G03B 17/02 - Bodies

17.

REAR COVER ASSEMBLY OF AIR HEATING DEVICE FOR VEHICLE AND AIR HEATING DEVICE FOR VEHICLE COMPRISING SAME

      
Application Number KR2024005929
Publication Number 2024/248345
Status In Force
Filing Date 2024-05-02
Publication Date 2024-12-05
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor Ji, Deok Koo

Abstract

Disclosed are a rear cover assembly of an air heating device for a vehicle and an air heating device for a vehicle comprising same. The rear cover assembly of an air heating device, according to the present invention, is coupled to an air discharging port side of a heater assembly comprising PTC units and heat dissipation fins. The rear cover assembly of an air heating device comprises: a cover part that has a plurality of through-hole parts having the same size or different sizes and divided by a plurality of connection members, and has a sensor mounting part formed on a side facing a rear surface part of the heater assembly through which air is discharged; and a sensor part that is mounted on the sensor mounting part so as to sense the flow rate of air or the temperature of air passing through the heater assembly, wherein the sensor mounting part includes a sensor mounting hole formed in the connection member at a specific position and a cable installation groove formed along the connection member and connected to the sensor mounting hole, a sensor constituting the sensor part is mounted and fixed to the sensor mounting hole, and a sensor cable connected to the sensor is guided to the outside of the cover part along the cable installation groove and is electrically connected to a control unit of the heater assembly.

IPC Classes  ?

  • B60H 1/22 - Heating, cooling or ventilating devices the heat being derived otherwise than from the propulsion plant
  • B60H 1/00 - Heating, cooling or ventilating devices
  • F24H 9/20 - Arrangement or mounting of control or safety devices
  • F24H 9/1863 - Arrangement or mounting of electric heating means

18.

LINEAR VIBRATION GENERATING DEVICE

      
Application Number KR2024006748
Publication Number 2024/242413
Status In Force
Filing Date 2024-05-17
Publication Date 2024-11-28
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Lee, Won Gook
  • Kim, Seok Min
  • Lee, Min Goo
  • Chong, Young Bin
  • Jo, Kyung Hoon
  • Choi, Nam Jin

Abstract

A linear vibration generating device is disclosed. The linear vibration generating device according to the present invention comprises: a case coupled to a lower cover to form a mounting space therein; a vibrating body vibrating in the mounting space in a first direction; a fixed body including a coil surrounded by the vibrating body and a yoke around which the coil is wound; and a pair of elastic bodies elastically supporting the vibration of the vibrating body between the case and the vibrating body, wherein the vibrating body includes a frame portion which surrounds the fixed body and to which the elastic bodies are connected and a plurality of magnets mounted on the inner surface of the frame portion, which faces the fixed body, the frame portion comprises a first frame and a second frame coupled to each other constituting a structure in which parts thereof overlap each other on both sides of the fixed body, and a portion of a movable end of the elastic bodies is inserted into and fixed to a gap where portions of the first frame and the second frame overlap each other.

IPC Classes  ?

  • H02K 33/02 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs
  • H02K 33/16 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with polarised armatures moving in alternate directions by reversal or energisation of a single coil system
  • H02K 1/34 - Reciprocating, oscillating or vibrating parts of the magnetic circuit
  • B06B 1/04 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency making use of electrical energy operating with electromagnetism

19.

PTC UNIT AND HEATING DEVICE INCLUDING SAME

      
Application Number KR2023006505
Publication Number 2024/237357
Status In Force
Filing Date 2023-05-12
Publication Date 2024-11-21
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Kim, Jong Up
  • Ji, Deok Koo
  • Han, Chang Hun

Abstract

Disclosed are a PTC unit and a heating device including same. The PTC unit according to the present invention comprises: an insulating frame in which a plurality of element receiving holes are formed; first PTC elements mounted one by one in some element receiving holes among the element receiving holes; second PTC elements mounted one by one in some other element receiving holes so as to alternate with the first PTC elements; a first electrode plate having an uneven shape and disposed to be in contact with one surface of each of the first PTC elements at the same time; a second electrode plate having an uneven shape and positioned on the same surface of the frame on which the first electrode plate is positioned, wherein the second electrode plate is disposed to be in contact with one surface of each of the second PTC elements at the same time; and a common electrode plate positioned on the surface opposite to the surface of the frame on which the first electrode plate and the second electrode plate are positioned, and disposed to be in contact with the first PTC elements and the second PTC elements, wherein uneven portions of the first electrode plate and the second electrode plate are spaced apart from each other to be electrically separated.

IPC Classes  ?

  • B60H 1/22 - Heating, cooling or ventilating devices the heat being derived otherwise than from the propulsion plant
  • F24H 9/1863 - Arrangement or mounting of electric heating means
  • H05B 3/03 - Electrodes

20.

IRIS DEVICE AND CAMERA MODULE COMPRISING SAME

      
Application Number KR2024001208
Publication Number 2024/225579
Status In Force
Filing Date 2024-01-25
Publication Date 2024-10-31
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor Park, Chang Wook

Abstract

The present invention pertains to an iris device and a camera module comprising same, wherein the iris device comprises: a base having a plurality of first shafts formed on the upper portion thereof; a rotator having a first rotating body which has a plurality of second shafts formed on the upper portion thereof and is mounted on the upper surface of the base, and a second rotating body which is formed by a portion of the first rotating body extending downward and has a magnet equipped in an end portion thereof; a plurality of blades, each of which comprises a rotation hole coupled to the first shaft and a drive hole coupled to the second shaft, is mounted on the upper portion of the rotator, and turns round in accordance with the rotation of the rotator; and a cover frame which has a space formed in the direction of an optical axis, away from the base, has the rotator and blades arranged therein, and is coupled to the upper portion of the base.

IPC Classes  ?

  • G03B 9/06 - Two or more co-operating pivoted blades e.g. iris type
  • G03B 5/06 - Swinging lens about normal to the optical axis
  • G03B 3/10 - Power-operated focusing
  • G03B 13/36 - Autofocus systems
  • G03B 17/12 - Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets

21.

ACTUATOR FOR CAMERA HAVING ELASTIC MEMBER

      
Application Number KR2024001204
Publication Number 2024/219601
Status In Force
Filing Date 2024-01-25
Publication Date 2024-10-24
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Park, Min Gyu
  • Kim, In Soo
  • Kim, Hee Seoung

Abstract

The present invention relates to an actuator for a camera and, more particularly, to an actuator for a camera having an elastic member to enhance reliability and durability. The present invention, according to one aspect, comprises a fixture and a carrier, and comprises: at least one elastic member in the interior space formed by the fixture; and at least one contact member in a position facing the elastic member.

IPC Classes  ?

  • H04N 23/54 - Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
  • H04N 23/68 - Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
  • G03B 5/04 - Vertical adjustment of lensRising fronts
  • G03B 3/10 - Power-operated focusing
  • G03B 13/36 - Autofocus systems
  • H02K 33/16 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with polarised armatures moving in alternate directions by reversal or energisation of a single coil system

22.

ACTUATOR FOR CAMERA

      
Application Number KR2024001321
Publication Number 2024/191057
Status In Force
Filing Date 2024-01-29
Publication Date 2024-09-19
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Park, Chul Soon
  • Hong, In Cheol
  • Lee, Yong Su

Abstract

An actuator for a camera, according to one embodiment of the present invention, comprises: a carrier that is movable in the direction of the optical axis; a magnet that is provided on the carrier and includes a variable part having a differential magnetic force magnitude in the direction of the optical axis; a plurality of coils that face the magnet; a Hall sensor that faces the variable part and outputs a signal according to the position of the magnet; a main driver that generates and outputs a command control signal for controlling a current applied to at least one of the plurality of coils according to the output signal from the Hall sensor; and at least one subdriver that controls a current applied to the at least one coil from among the plurality of coils according to the command control signal.

IPC Classes  ?

  • G03B 5/04 - Vertical adjustment of lensRising fronts
  • G03B 17/12 - Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
  • H04N 23/54 - Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
  • H02K 41/035 - DC motorsUnipolar motors
  • H02K 11/215 - Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements

23.

ACTUATOR FOR CAMERA

      
Application Number KR2023018306
Publication Number 2024/167105
Status In Force
Filing Date 2023-11-14
Publication Date 2024-08-15
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Kim, Seok-Hyun
  • Go, Jae-Yong
  • Kim, Dong-Kuk
  • Lee, Hwan-Hwi
  • Hong, In-Cheol

Abstract

An actuator for a camera according to an embodiment of the present invention is characterized by comprising: a housing providing an inner space; a first carrier that moves in a first direction perpendicular to the optical axis direction; a switching guide provided between the inside of the housing and the outside of the first carrier; a second carrier that moves in a second direction perpendicular to both the optical axis direction and the first direction with respect to the first carrier; and a guiding structure that is provided between the inside of the switching guide and the outside of the first carrier and limits the movement of the first carrier in the optical axis direction, wherein the first carrier moves in the first direction with respect to the switching guide and is made to move in the optical axis direction together with the switching guide by the guiding structure.

IPC Classes  ?

  • G03B 5/04 - Vertical adjustment of lensRising fronts
  • G03B 5/06 - Swinging lens about normal to the optical axis
  • G03B 3/10 - Power-operated focusing
  • G03B 13/36 - Autofocus systems
  • H04N 23/54 - Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
  • H02K 41/035 - DC motorsUnipolar motors

24.

ACTUATOR FOR CAMERA

      
Application Number KR2023020095
Publication Number 2024/147499
Status In Force
Filing Date 2023-12-07
Publication Date 2024-07-11
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor Park, Chang Wook

Abstract

An actuator for a camera, according to one embodiment of the present invention, comprises: a carrier on which a magnet is provided; a base for accommodating the carrier; a coil facing the magnet; and a back yoke, which is included at the rear of the magnet and is provided at the carrier, wherein the back yoke includes: a body plate included at the rear of the magnet; and a cover which protrudes in the coil direction from the body plate so as to cover the side of the magnet, and which forms a gap with the side of the magnet.

IPC Classes  ?

  • H04N 23/54 - Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
  • H04N 23/68 - Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
  • H04N 23/55 - Optical parts specially adapted for electronic image sensorsMounting thereof
  • G03B 5/00 - Adjustment of optical system relative to image or object surface other than for focusing of general interest for cameras, projectors or printers
  • G03B 3/10 - Power-operated focusing
  • G03B 13/36 - Autofocus systems
  • G03B 17/12 - Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets

25.

CAPACITY VARIABLE STACKED BRAKE RESISTOR

      
Application Number KR2023018082
Publication Number 2024/111970
Status In Force
Filing Date 2023-11-10
Publication Date 2024-05-30
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Park, Seong Tae
  • Kim, Jong Up
  • Park, In Chae
  • Sheen, Chang Yong
  • Ji, Deok Koo

Abstract

A capacity variable stacked brake resistor is disclosed. A brake resistor, according to the present invention, comprises: one or more resistance modules having one or more heating elements therein; a control module including a substrate electrically connected to the heating elements; an inlet port connected to a fluid inlet on one side of the resistance modules; and an outlet port connected to a fluid outlet on the other side of the resistance modules. The resistance modules are formed in a box shape of which the top surface and the bottom surface are flat, and the control module is assembled on the top surface of the resistance modules in a stacked manner. According to the present invention, the total capacity (energy-consuming capacity) can be changed as desired by adjusting the number of resistance modules assembled in a stacked manner as necessary, and thereby, it is possible to meet required specifications, and to quickly respond to a request to change specifications without major replacement or changes of production equipment.

IPC Classes  ?

  • H01C 10/16 - Adjustable resistors including plural resistive elements
  • H01C 13/02 - Structural combinations of resistors
  • H01C 1/082 - Cooling, heating or ventilating arrangements using forced fluid flow
  • B60L 7/22 - Dynamic electric resistor braking, combined with dynamic electric regenerative braking

26.

CAMERA MODULE

      
Application Number KR2023011340
Publication Number 2024/090742
Status In Force
Filing Date 2023-08-02
Publication Date 2024-05-02
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor Kim, In Soo

Abstract

Provided is a camera module. A camera module according to one aspect of the present invention comprises: a lens; a frame in which the lens is accommodated; a support member disposed inside the frame and having a first portion exposed to the outside of the frame; and a stopper combined with the frame and forming a space for receiving the lens, wherein the stopper may further comprise a second portion directly coupled to the first portion.

IPC Classes  ?

  • G03B 5/04 - Vertical adjustment of lensRising fronts
  • G03B 5/06 - Swinging lens about normal to the optical axis
  • G03B 17/12 - Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
  • G02B 27/64 - Imaging systems using optical elements for stabilisation of the lateral and angular position of the image

27.

HEAT DISSIPATION SHEET

      
Application Number KR2023007115
Publication Number 2023/239089
Status In Force
Filing Date 2023-05-24
Publication Date 2023-12-14
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Kang, Dong Wan
  • Lee, Kwang Joo
  • Jun, Dae Geun
  • Hong, Seong Min

Abstract

The present invention relates to a heat dissipation sheet, comprising: a bare sheet of graphite material that comes into contact with the outer surface of a heat source; a bending groove which is formed by a compression process on a surface of the bare sheet that comes into contact with a heat source, and which is bent upon mounting; and a film sheet laminated on at least one surface of the bare sheet.

IPC Classes  ?

  • H01M 10/6554 - Rods or plates
  • H01M 10/653 - Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
  • H01M 10/613 - Cooling or keeping cold
  • H01M 10/625 - Vehicles

28.

ACTUATOR FOR CAMERA

      
Application Number KR2023003406
Publication Number 2023/219250
Status In Force
Filing Date 2023-03-14
Publication Date 2023-11-16
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Kim, Hee Seung
  • Lee, Kyu Min

Abstract

An actuator for a camera according to an embodiment of the present invention comprises: a carrier on which a lens is loaded and which moves in an optical axis direction; a housing accommodating the carrier; a driving magnet provided in the carrier; a coil provided in the housing and facing the side portion of the driving magnet; a ball disposed between the lower portion of the carrier and the housing; and a reinforcing member coupled to the housing and generating an attractive force with the driving magnet, wherein the reinforcing member comprises: a body portion coupled to the lower portion of the housing; and a flange portion protruding upward from the body portion toward the driving magnet.

IPC Classes  ?

  • G03B 5/04 - Vertical adjustment of lensRising fronts
  • G03B 17/12 - Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
  • G02B 27/64 - Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
  • G02B 7/02 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses
  • H01F 7/16 - Rectilinearly-movable armatures
  • H02K 33/18 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with coil systems moving upon intermittent or reversed energisation thereof by interaction with a fixed field system, e.g. permanent magnets

29.

ZOOM-DRIVING ACTUATOR

      
Application Number KR2023002741
Publication Number 2023/204428
Status In Force
Filing Date 2023-02-27
Publication Date 2023-10-26
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Park, Chul-Soon
  • Yeon, Je-Seung

Abstract

A zoom-driving actuator according to the present invention comprises: a first carrier including a first support member, a first body part in which the first support member is inserted and molded such that a first part, which is a portion of the first support member, is exposed, and a first guiding space formed on the opposite side of the first part with respect to an optical axis, and moving in the optical axis direction with respect to a housing; and a second carrier including a second support member, a second body part in which a second support member is inserted and molded such that a second part, which is a portion of the second support member, is exposed, and a second guiding space formed in the opposite direction of the second part with respect to the optical axis, wherein the first part is guided by means of the second guiding space and the second part is guided by means of the first guiding space.

IPC Classes  ?

  • G02B 7/09 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted for automatic focusing or varying magnification
  • G02B 7/10 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
  • G02B 27/64 - Imaging systems using optical elements for stabilisation of the lateral and angular position of the image

30.

ACTUATOR FOR CAMERA

      
Application Number KR2023002739
Publication Number 2023/191318
Status In Force
Filing Date 2023-02-27
Publication Date 2023-10-05
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Park, Chul Soon
  • Yeon, Je Seung

Abstract

An actuator for a camera according to the present invention comprises: a carrier on which one or more lenses are mounted and which moves in an optical axis direction; a magnet provided on the carrier; a housing accommodating the carrier; a plurality of coils facing the magnet and disposed along an optical axis; and a plurality of detection sensors which sense the position of the magnet and are spaced apart from each other with respect to the optical axis direction, wherein when the carrier is located at a reference position, all of the plurality of detection sensors face the same magnetic pole of the magnet.

IPC Classes  ?

  • G03B 5/02 - Lateral adjustment of lens
  • G03B 17/12 - Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
  • H02K 33/18 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with coil systems moving upon intermittent or reversed energisation thereof by interaction with a fixed field system, e.g. permanent magnets

31.

MOTOR PROVIDED WITH PRELOADING PORTION OF BEARING

      
Application Number KR2022004046
Publication Number 2023/182543
Status In Force
Filing Date 2022-03-23
Publication Date 2023-09-28
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Ryu, Jong Soo
  • Lee, Jun Ki
  • Sung, Hyun Gyu
  • Jang, Jung Hoon

Abstract

The present invention relates to a motor provided with a preloading portion of a bearing, the preloading portion being capable of reducing noise generation from the bearing that supports the rotor of the motor to be rotatable and preventing generation of defects, and according to an aspect of the present invention, the motor comprises: a rotor which forms a cylindrical accommodation space therein, and forms a hub having a magnet disposed on the inner circumference of the accommodation space; a stator which is disposed to face the accommodation space of the rotor and has a guide formed therein, the guide extending coaxially with the rotation center of the hub and having a core, on which a coil is wound, fixedly installed on the outer circumference thereof; a rotary shaft of which one end is embedded in the rotation center of the hub and the other end extends along the rotation center of the rotor to extend toward the inside of the guide; a bearing unit which comprises a ball bearing including an outer ring raceway coming into contact with the inner circumference of the guide, an inner ring raceway coming into contact with the outer circumference of the rotary shaft, and a ball located between the outer ring raceway and the inner ring raceway to be rotatable, and supports the rotary shaft to be rotatable relative to the guide; and a preloading portion pressing the bearing unit so that the contact points between the ball and the outer ring raceway and between the ball and the inner ring raceway are maintained at set positions.

IPC Classes  ?

  • H02K 5/173 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
  • H02K 5/16 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
  • H02K 5/24 - CasingsEnclosuresSupports specially adapted for suppression or reduction of noise or vibrations
  • H02K 1/2791 - Surface mounted magnetsInset magnets
  • H02K 7/08 - Structural association with bearings

32.

CAMERA MODULE AND MANUFACTURING METHOD THEREOF

      
Application Number KR2022016573
Publication Number 2023/128199
Status In Force
Filing Date 2022-10-27
Publication Date 2023-07-06
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Kim, Yushin
  • Kim, Gi Ho
  • Kim, Hyun Tae

Abstract

The present invention provides a camera module and a manufacturing method thereof, which can not only minimize thermal deformation of a lens but can also prevent dew formation and frost formation on the surface of the lens, the camera module comprising: a lens structure; and a heater structure which heats the periphery of a lens, wherein the heater structure comprises: a cover part which is coupled to one side of the lens; and a heating layer which is disposed between the cover part and the lens structure while being positioned radially outside the lens, and transmits thermal energy to the periphery of the lens.

IPC Classes  ?

  • G03B 17/55 - Details of cameras or camera bodiesAccessories therefor with provision for heating or cooling, e.g. in aircraft
  • G03B 17/12 - Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
  • G03B 30/00 - Camera modules comprising integrated lens units and imaging units, specially adapted for being embedded in other devices, e.g. mobile phones or vehicles

33.

CAMERA MODULE

      
Application Number KR2022014082
Publication Number 2023/058950
Status In Force
Filing Date 2022-09-21
Publication Date 2023-04-13
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Park, Chul Soon
  • Kim, Man Ki

Abstract

The present invention provides a camera module comprising: a lens assembly; a housing accommodating the lens assembly; an image sensor disposed in an optical axis direction in which light enters the lens assembly; a sensor roll carrier on which the image sensor is mounted and which rotates and moves the image sensor with respect to the lens assembly on a plane perpendicular to the optical axis direction; and a sensor roll guide that faces the sensor roll carrier and guides the rotation of the image sensor.

IPC Classes  ?

  • H04N 5/232 - Devices for controlling television cameras, e.g. remote control
  • H04N 5/225 - Television cameras
  • H02K 33/18 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with coil systems moving upon intermittent or reversed energisation thereof by interaction with a fixed field system, e.g. permanent magnets

34.

SENSOR-DRIVING ACTUATOR

      
Application Number KR2022010645
Publication Number 2023/043037
Status In Force
Filing Date 2022-07-20
Publication Date 2023-03-23
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Kim, Hee Seung
  • Jeon, Ki Hoon
  • Han, Min Seok

Abstract

The present invention provides a sensor-driving actuator comprising: an image sensor; an OIS carrier to which the image sensor is mounted and which moves the image sensor in at least one of a first direction perpendicular to the optical axis direction or a second direction perpendicular to the first direction; an AF carrier for moving the image sensor in the optical axis direction; a first housing accommodating the OIS carrier and the AF carrier; a flexible circuit board which extends from an upper portion of the OIS carrier to which the image sensor is mounted, and which bends, along the outer surface of the first housing, in each of the optical axis direction and the direction perpendicular to the optical axis direction; and a second housing accommodating the first housing.

IPC Classes  ?

  • H04N 5/232 - Devices for controlling television cameras, e.g. remote control
  • H04N 5/225 - Television cameras
  • H02K 33/18 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with coil systems moving upon intermittent or reversed energisation thereof by interaction with a fixed field system, e.g. permanent magnets

35.

VIBRATION MOTOR

      
Application Number KR2022011682
Publication Number 2023/033387
Status In Force
Filing Date 2022-08-05
Publication Date 2023-03-09
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Ryu, Jong Soo
  • Sung, Hyun Gyu
  • Jang, Jung Hoon
  • Lee, Jun Ki

Abstract

A vibration motor is provided. A vibration motor according to an embodiment of the present invention comprises: a rotor shaft; a first magnet and a second magnet arranged on the rotor shaft so as to face each other; a circuit board having a hollow hole through which the rotor shaft passes and coils arranged thereon, the coils respectively facing the first and second magnets; a housing forming an inner space in which the rotor shaft and the circuit board are mounted; a shaft passing through the rotor shaft and fixedly erected in the housing; a first yoke and a second yoke on which the first and second magnets are respectively installed and which are fixedly coupled to the rotor shaft so as to integrally rotate along with the rotor shaft; a weight installed on the first yoke or the second yoke; and a bearing portion comprising a plurality of bearings coaxially arranged with the shaft, at least one of the bearings being arranged to surround the shaft, wherein the rotor shaft is fitted with the bearings to rotate relative to the shaft.

IPC Classes  ?

  • H02K 7/06 - Means for converting reciprocating motion into rotary motion or vice versa
  • H02K 5/167 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings
  • H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines

36.

CAMERA ACTUATOR

      
Application Number KR2022008937
Publication Number 2023/027313
Status In Force
Filing Date 2022-06-23
Publication Date 2023-03-02
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Go, Jae Yong
  • Lee, Kyoung Yong

Abstract

A camera actuator according to one embodiment of the present invention comprises: a carrier which has a lens installed therein and moves in an optical axis direction; a housing accommodating the carrier; a magnet having k magnetic poles (k is a natural number 1 or higher) and provided in the carrier; a plurality of coils facing the magnet and arrayed vertically with respect to the optical axis direction; m Hall sensor parts (m is a natural number 3 or higher) arrayed with a first interval between one another with respect to the optical axis direction; and a driver for controlling a current applied to the plurality of coils in accordance with a signal of the m Hall sensor parts, wherein the length of the magnetic poles is equal to or greater than the first interval and is equal to or less than twice the first interval.

IPC Classes  ?

  • G03B 5/04 - Vertical adjustment of lensRising fronts
  • G03B 17/12 - Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
  • H04N 5/225 - Television cameras
  • H02K 33/18 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with coil systems moving upon intermittent or reversed energisation thereof by interaction with a fixed field system, e.g. permanent magnets
  • H02K 11/215 - Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements

37.

ACTUATOR FOR CONTINUOUS ZOOM

      
Application Number KR2022009419
Publication Number 2023/022364
Status In Force
Filing Date 2022-06-30
Publication Date 2023-02-23
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Park, Chul Soon
  • Yeon, Je Seung
  • Kang, In Su
  • Cho, Hyeon Ik

Abstract

A continuous zoom actuator according to an embodiment of the present invention comprises: a first carrier which has a first lens mounted thereto and moves in an optical-axis direction; a housing which accommodates the first carrier therein; a first magnet which is provided in the first carrier; a first coil which faces the first magnet and has a track shape; a plurality of first Hall sensors which are provided outside the track shape of the first coil and sense a position of the first magnet; and a driver which controls power to be applied to the first coil, by using signals input from the plurality of first Hall sensors.

IPC Classes  ?

  • H04N 5/232 - Devices for controlling television cameras, e.g. remote control
  • H04N 5/225 - Television cameras
  • H02K 33/18 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with coil systems moving upon intermittent or reversed energisation thereof by interaction with a fixed field system, e.g. permanent magnets
  • H02K 11/215 - Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements

38.

HYBRID ACTUATOR FOR ZOOM DRIVING

      
Application Number KR2022009576
Publication Number 2023/022366
Status In Force
Filing Date 2022-07-04
Publication Date 2023-02-23
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Yeon, Je Seung
  • Kang, In Su
  • Cho, Hyeon Ik
  • Lee, Jae Seon

Abstract

A hybrid zoom driving actuator according to the present invention comprises: a first carrier to which a first lens is mounted; a second carrier which is disposed above or below the first carrier with respect to an optical-axis direction and to which a second lens is mounted; a housing in which the first and second carriers are accommodated; a first drive unit which moves the first carrier in the optical-axis direction; a drive magnet which is mounted to the second carrier; a drive coil which faces the drive magnet and provides driving force so as to move the second carrier in the optical-axis direction; a Hall sensor which senses a position of the second carrier; and a first circuit board on which the drive coil and the Hall sensor are mounted.

IPC Classes  ?

  • G03B 5/04 - Vertical adjustment of lensRising fronts
  • G03B 17/12 - Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
  • H04N 5/232 - Devices for controlling television cameras, e.g. remote control
  • H02K 11/215 - Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements

39.

CAMERA ACTUATOR

      
Application Number KR2022010647
Publication Number 2023/008822
Status In Force
Filing Date 2022-07-20
Publication Date 2023-02-02
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Jeon, Ki Hoon
  • Kim, Hee Seung
  • Jang, Myung Hoon
  • Han, Min Seok

Abstract

The present invention provides a camera actuator comprising: an OIS carrier having a lens module or an image sensor mounted therein, and moving the lens module or the image sensor in at least one direction from among a first direction, which is perpendicular to the optical axis direction, and a second direction which is perpendicular to the first direction; an AF carrier accommodating the OIS carrier and moving the OIS carrier in the optical axis direction; and a housing accommodating the AF carrier, wherein the AF carrier has an opening such that the OIS carrier faces the housing, and the OIS carrier has an auxiliary stopper protruding so as to come into contact with the housing via the opening.

IPC Classes  ?

  • H04N 5/232 - Devices for controlling television cameras, e.g. remote control
  • H04N 5/225 - Television cameras
  • G03B 5/00 - Adjustment of optical system relative to image or object surface other than for focusing of general interest for cameras, projectors or printers
  • G03B 13/36 - Autofocus systems

40.

SENSOR-DRIVING ACTUATOR

      
Application Number KR2022011206
Publication Number 2023/008954
Status In Force
Filing Date 2022-07-29
Publication Date 2023-02-02
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor Kim, Hee Seung

Abstract

The present invention provides a sensor-driving actuator comprising: an image sensor; a base on which the image sensor is disposed; a flexible member which is connected to the base and the image sensor and moves with respect to the base in at least one of the optical axis direction, a first direction perpendicular to the optical axis direction, or a second direction perpendicular to the first direction according to the movement of the image sensor; an OIS carrier for moving the image sensor in at least one of the first direction or the second direction; an AF carrier for moving the image sensor in the optical axis direction; and a housing in which the AF carrier is accommodated.

IPC Classes  ?

  • H04N 5/232 - Devices for controlling television cameras, e.g. remote control
  • H04N 5/225 - Television cameras

41.

IMAGE SENSOR SHIFT-TYPE ACTUATOR AND CAMERA MODULE COMPRISING SAME

      
Application Number KR2022004578
Publication Number 2023/003129
Status In Force
Filing Date 2022-03-31
Publication Date 2023-01-26
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Kim, Man Ki
  • Lee, Kyoung Yong
  • Go, Jae Yong

Abstract

An image sensor shift-type actuator according to an embodiment of the present invention comprises: a first carrier having a guide rail formed thereon and an image sensor coupled to the bottom portion thereof; a second carrier positioned on the first carrier and having a grooved rail facing the guide rail and formed on the bottom portion thereof; a housing positioned on the second carrier; a first ball disposed between the guide rail and the grooved rail; a second ball disposed between the second carrier and the housing; second magnets disposed to be orthogonal to each other and provided on the second carrier; first magnets provided on the first carrier to be disposed in a direction in which the second magnets are not disposed; a first coil facing each of the first magnets; and a second coil facing each of the second magnets, wherein at least one of the guide rail and the grooved rail has a shape rounded with reference to a plane perpendicular to the optical axis.

IPC Classes  ?

  • H04N 5/232 - Devices for controlling television cameras, e.g. remote control
  • H04N 5/225 - Television cameras
  • H02K 33/18 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with coil systems moving upon intermittent or reversed energisation thereof by interaction with a fixed field system, e.g. permanent magnets
  • H02K 5/24 - CasingsEnclosuresSupports specially adapted for suppression or reduction of noise or vibrations

42.

CAMERA ACTUATOR AND FOLDED ZOOM CAMERA MODULE COMPRISING SAME

      
Application Number KR2022008113
Publication Number 2022/260445
Status In Force
Filing Date 2022-06-09
Publication Date 2022-12-15
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Kim, Hee Seoung
  • Lee, Kyu Min

Abstract

A camera actuator applied to a folded zoom camera module, and the folded zoom camera module comprising same are disclosed. The camera actuator according to the present invention comprises: a housing; a driving unit which is loaded in the housing, and which includes a vibration generator generating vibration from an input power source and a shaft vibrating in a first direction by means of the vibration generated by the vibration generator; an optical unit, which implements zoom and auto focusing while being driven in the first direction in the housing by means of the vibration of the shaft; and a frictional movement unit for connecting the shaft and the optical unit to transfer the first directional vibration of the shaft to the optical unit, wherein: a rebound suppression plate for suppressing the rebound of the vibration generator when the driving unit vibrates in the first direction is provided on a sidewall of the housing, which is vertical with respect to the axial line of the first direction; and a part of the end of the vibration generator opposite to the shaft is inserted into a binding groove of the sidewall having the rebound suppression plate, so as to be fixed thereto in a structure of close contact with the rebound suppression plate.

IPC Classes  ?

  • G03B 13/36 - Autofocus systems
  • G03B 3/00 - Focusing arrangements of general interest for cameras, projectors or printers
  • G03B 17/02 - Bodies
  • H01F 7/02 - Permanent magnets
  • H02N 2/02 - Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing linear motion, e.g. actuatorsLinear positioners

43.

GUIDE-FREE IMAGE SENSOR ACTUATOR

      
Application Number KR2022004571
Publication Number 2022/260253
Status In Force
Filing Date 2022-03-31
Publication Date 2022-12-15
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor Go, Jae Yong

Abstract

A guide-free image sensor actuator according to an embodiment of the present invention comprises: a carrier in which an image sensor is provided and which moves relative to a plane perpendicular to the optical-axis direction; first and second magnets which are mounted to the carrier at positions orthogonal to each other; a sensing magnet which is mounted to the carrier; first and second Hall sensors which are opposite to the first and second magnets respectively; a rotation-sensing Hall sensor which is opposite to the sensing magnet; n (n is a natural number equal to or greater than 2) first coils which are opposite to the first magnet; m (m is a natural number equal to or greater than 1) second coils which are opposite to the second magnet; and an operation driver which controls the magnitude and direction of a current applied to at least one of the n first coils and the m second coils by using output signals of two or more of the first Hall sensor, the second Hall sensor, and the rotation-sensing Hall sensor.

IPC Classes  ?

  • H04N 5/232 - Devices for controlling television cameras, e.g. remote control
  • H04N 5/225 - Television cameras
  • H02K 33/18 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with coil systems moving upon intermittent or reversed energisation thereof by interaction with a fixed field system, e.g. permanent magnets
  • H02K 11/215 - Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements
  • H02K 11/33 - Drive circuits, e.g. power electronics

44.

ACTUATOR APPLIED WITH MULTI-SURFACE PROTRUDING DAMPER

      
Application Number KR2022007273
Publication Number 2022/250393
Status In Force
Filing Date 2022-05-23
Publication Date 2022-12-01
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Kim, Man Ki
  • Lee, Kyoung Yong
  • Go, Jae Yong

Abstract

An actuator to which a multi-surface protruding damper is applied according to an embodiment of the present invention comprises: an AF carrier which moves in an optical axis direction and is provided with a driving magnet at one side thereof; a housing accommodating the AF carrier; a driving coil which is installed in the direction facing the driving magnet; a support portion which is integrally formed with the AF carrier and has a shape protruding to the outer direction of the AF carrier; and a damper of an elastic material, which is fixedly coupled to the support portion and is exposed to the outer direction of the AF carrier.

IPC Classes  ?

  • H02K 5/24 - CasingsEnclosuresSupports specially adapted for suppression or reduction of noise or vibrations
  • H02K 33/02 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs
  • H02K 33/18 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with coil systems moving upon intermittent or reversed energisation thereof by interaction with a fixed field system, e.g. permanent magnets
  • H02K 11/215 - Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements
  • G03B 13/36 - Autofocus systems

45.

CAMERA ACTUATOR

      
Application Number KR2022005648
Publication Number 2022/225325
Status In Force
Filing Date 2022-04-20
Publication Date 2022-10-27
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Kim, Dok Hyun
  • Lee, Kyoung Yong
  • Lee, Byung Cheol

Abstract

The present invention provides a camera actuator comprising: a first OIS carrier provided with first and second magnets and an image sensor, and moving in a first direction perpendicular to an optical axis direction; a first drive coil for moving the first OIS carrier in the first direction by generating an electromagnetic force on the first magnet; a second OIS carrier provided on the upper portion of the first OIS and moving in the optical axis direction and a second direction perpendicular to the first direction; a second drive coil for moving the second OIS carrier in the second direction by generating an electromagnetic force on the second magnet; and a support frame provided with the first and second drive coils and providing a moving space for the first and second OIS carriers.

IPC Classes  ?

  • G03B 5/04 - Vertical adjustment of lensRising fronts
  • G03B 3/00 - Focusing arrangements of general interest for cameras, projectors or printers
  • G03B 13/36 - Autofocus systems
  • H04N 5/225 - Television cameras
  • H04N 5/232 - Devices for controlling television cameras, e.g. remote control

46.

ZOOMING ACTUATOR HAVING DUAL STRUCTURE

      
Application Number KR2022004119
Publication Number 2022/211366
Status In Force
Filing Date 2022-03-24
Publication Date 2022-10-06
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Park, Chul Soon
  • Yeon, Je Seung
  • Lee, Jae Seon

Abstract

A zooming actuator having a dual structure according to the present invention comprises: a first carrier on which a first lens is mounted and which moves in an optical axis direction; a second carrier on which a second lens is mounted and which moves in the optical axis direction from the upper side or the lower side of the first carrier with respect to the optical axis direction; a housing accommodating the first carrier and the second carrier; a first coil part that is provided in the housing and includes n (n is a natural number of 2 or more) first coils arranged vertically with respect to the optical axis direction; a second coil part that is provided in the housing and includes n+1 second coils arranged vertically with respect to the optical axis direction, the first and second coil parts being provided at different locations; a first magnet that is mounted on the first carrier and has n+1 magnetic poles facing the first coil part; and a second magnet that is mounted on the second carrier and has n magnetic poles facing the second coil part.

IPC Classes  ?

  • H02K 33/18 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with coil systems moving upon intermittent or reversed energisation thereof by interaction with a fixed field system, e.g. permanent magnets
  • G03B 5/00 - Adjustment of optical system relative to image or object surface other than for focusing of general interest for cameras, projectors or printers
  • H04N 5/225 - Television cameras
  • H02K 11/21 - Devices for sensing speed or position, or actuated thereby

47.

SLIM-TYPE ACTUATOR

      
Application Number KR2022003567
Publication Number 2022/197056
Status In Force
Filing Date 2022-03-15
Publication Date 2022-09-22
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Lee, Byung Cheol
  • Kim, Dok Hyun
  • Lee, Hwan Hwi

Abstract

A slim-type actuator according to one embodiment of the present invention comprises: a first carrier; a second carrier moving, with respect to the first carrier, in a first direction that is vertical to an optical axis or in a second direction vertical to both the optical axis and the first direction; a support means for physically providing support between the first and second carriers; first and second magnets provided in the second carrier and provided in the orthogonal direction with respect to each other; n (n is a natural number of 2 or greater) number of first coils facing the first magnet; m (m is a natural number of 1 or greater) number of second coils facing the second magnet; k (k is a natural number of 2 or greater) number of first hall sensors, which face the first magnet and are positioned at different locations; and a driving driver for differentially controlling the power supplied to each of the n number of first coils according to differences in electric signals inputted from each of the k number of first hall sensors.

IPC Classes  ?

  • H02K 33/18 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with coil systems moving upon intermittent or reversed energisation thereof by interaction with a fixed field system, e.g. permanent magnets
  • H02K 41/03 - Synchronous motorsMotors moving step by stepReluctance motors
  • G03B 3/00 - Focusing arrangements of general interest for cameras, projectors or printers
  • G03B 5/00 - Adjustment of optical system relative to image or object surface other than for focusing of general interest for cameras, projectors or printers
  • H04N 5/232 - Devices for controlling television cameras, e.g. remote control
  • H04N 5/225 - Television cameras
  • H02K 11/30 - Structural association with control circuits or drive circuits

48.

SENSOR-DRIVING ACTUATOR AND CAMERA MODULE INCLUDING SAME

      
Application Number KR2022003088
Publication Number 2022/191521
Status In Force
Filing Date 2022-03-04
Publication Date 2022-09-15
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Park, Chul Soon
  • Yeon, Je Seung
  • Cho, Hyeon Ik

Abstract

This sensor-driving actuator comprises: an image sensor; a substrate provided with a first region in which the image sensor is disposed, a second region extending from the first region, and at least one slit between the first and second regions; a base frame on which the substrate is seated; a sensor cover fastened to an upper portion of the first region; and a driving unit that rotationally moves the sensor cover with respect to the base frame, wherein the first region is rotated and moved together according to the rotational movement of the sensor cover.

IPC Classes  ?

  • H04N 5/232 - Devices for controlling television cameras, e.g. remote control
  • H04N 5/225 - Television cameras

49.

CAMERA LENS MODULE DRIVING MECHANISM

      
Application Number KR2021002460
Publication Number 2022/181854
Status In Force
Filing Date 2021-02-26
Publication Date 2022-09-01
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Lee, Byung Cheol
  • Lee, Hwan Hwi
  • Park, Gyu Tae

Abstract

The disclosed invention relates to a camera lens module driving mechanism comprising: a base having a first Y-axis rail formed to be adjacent to each of four corners; a middle guide having a second Y-axis rail corresponding to the first Y-axis rail on the lower surface thereof, and having, on the upper surface thereof, a first X-axis rail formed in the direction orthogonal to the second Y-axis rail so as not to intersect with the second Y-axis rail while being adjacent to the second Y-axis rail; an OIS carrier having a second X-axis rail corresponding to the first X-axis rail on the lower surface thereof; an AF carrier coupled to the OIS carrier to move together with the OIS carrier on the XY plane and be independently movable in the Z-axis direction; a Y-axis ball bearing arranged between the first and second Y-axis rails to perform a rolling motion between the base and the middle guide; and an X-axis ball bearing arranged between the first and second X-axis rails to perform a rolling motion between the middle guide and the OIS carrier.

IPC Classes  ?

  • G03B 5/00 - Adjustment of optical system relative to image or object surface other than for focusing of general interest for cameras, projectors or printers
  • G03B 17/12 - Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
  • H04N 5/225 - Television cameras
  • H04N 5/232 - Devices for controlling television cameras, e.g. remote control

50.

ZOOM DRIVE ACTUATOR

      
Application Number KR2021017359
Publication Number 2022/154244
Status In Force
Filing Date 2021-11-24
Publication Date 2022-07-21
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Kim, Hee Seoung
  • Lee, Kyu Min

Abstract

Provided is a zoom drive actuator comprising: a first carrier which includes a first mounter to which a first lens assembly is mounted, a first support part, and a first guider provided on the opposite side from the first support part with respect to the first mounter, wherein the first carrier moves in the optical axis direction; a second carrier which includes a second mounter to which a second lens assembly is mounted, a second support part, and a second guider provided on the opposite side from the second support part with respect to the second mounter, wherein the second carrier moves, above or below the first carrier, in the optical axis direction; and a housing which accommodates the first carrier and the second carrier and includes a first damper and a second damper which are provided inside one side of the housing. The first carrier includes: a third damper that faces the first damper and comes into point contact with the first damper; and a fourth damper that faces the second damper and comes into point contact with the second damper.

IPC Classes  ?

  • G03B 5/00 - Adjustment of optical system relative to image or object surface other than for focusing of general interest for cameras, projectors or printers
  • G03B 17/12 - Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
  • H04N 5/225 - Television cameras

51.

ZOOM DRIVE ACTUATOR

      
Application Number KR2021017357
Publication Number 2022/154243
Status In Force
Filing Date 2021-11-24
Publication Date 2022-07-21
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Kim, Hee Seoung
  • Lee, Kyu Min

Abstract

Provided is a zoom drive actuator comprising: a first carrier which includes a first mounter to which a first lens assembly is mounted, a first support part on which a first magnet is mounted, and a first guider provided on the opposite side from the first support part with respect to the first mounter, wherein the first carrier moves in the optical axis direction; and a second carrier which includes a second mounter to which a second lens assembly is mounted, a second support part on which a second magnet is mounted, and a second guider provided on the opposite side from the second support part with respect to the second mounter, wherein the second carrier moves, above or below the first carrier, in the optical axis direction. The first support part faces a first guide rail formed in a housing and includes a first rail which is divided into at least two sections by a first partition wall formed at the center line position of the first magnet. The first guider faces a second guide rail formed in the housing and includes a second rail which is divided into at least two sections by a second partition wall formed at a position opposite the first partition wall.

IPC Classes  ?

  • G03B 5/04 - Vertical adjustment of lensRising fronts
  • G03B 17/12 - Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
  • H04N 5/225 - Television cameras

52.

HORIZONTAL LINEAR VIBRATION GENERATING DEVICE

      
Application Number KR2021003504
Publication Number 2022/124483
Status In Force
Filing Date 2021-03-22
Publication Date 2022-06-16
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Lee, Won Gook
  • Jung, Kyung Yang
  • Yoo, Han Ho
  • Kim, Seung Ki

Abstract

A horizontal linear vibration generating device is disclosed. A horizontal linear vibration generating device according to the present invention comprises: a housing; a coil mounted in the housing; a magnet disposed in the housing and spaced to face the coil; a weight body disposed in housing to be able to vibrate in a first direction together with one of the coil and the magnet; and an elastic body which is disposed between the housing and the weight body and elastically supports the first directional vibration of the weight body, wherein the elastic body includes a first and a second leaf spring part for elastically supporting the first directional vibration of the weight body at both sides thereof, and a bridge part for mutually connecting first spring feet of ends of the first and the second leaf spring part, which are fixed to a side surface part of the weight body; and each of the first and the second leaf spring part has at least three bent parts formed along a second direction orthogonal to the first direction.

IPC Classes  ?

  • H02K 33/02 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs
  • H02K 5/04 - Casings or enclosures characterised by the shape, form or construction thereof
  • B06B 1/04 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency making use of electrical energy operating with electromagnetism
  • H02K 5/24 - CasingsEnclosuresSupports specially adapted for suppression or reduction of noise or vibrations

53.

ZOOM DRIVE ACTUATOR

      
Application Number KR2021012258
Publication Number 2022/102934
Status In Force
Filing Date 2021-09-09
Publication Date 2022-05-19
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Kim, Hee Seung
  • Lee, Kyu Min

Abstract

The zoom drive actuator according to the present invention comprises: a first carrier, which includes a first mounter having a first lens assembly mounted therein, a first support part having a first magnet mounted therein, and a first guider provided on the opposite side of the first support part with respect to the first mounter, and which moves in the optical axis direction; a second carrier, which includes a second mounter having a second lens assembly mounted therein, a second support part having a second magnet mounted therein, and a second guider provided on the opposite side of the second support part with respect to the second mounter, and which moves in the optical axis direction at the top or the bottom of the first carrier; a housing for accommodating the first and second carriers; a first coil part facing the first magnet; and a second coil part facing the second magnet, wherein the first carrier includes a first space in which a path for moving the second guider is formed, and the second carrier includes a second space in which a path for moving the first guider is formed.

IPC Classes  ?

  • G03B 13/36 - Autofocus systems
  • G03B 17/12 - Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
  • H04N 5/225 - Television cameras

54.

CAMERA ACTUATOR AND CAMERA MODULE INCLUDING SAME

      
Application Number KR2021012476
Publication Number 2022/092557
Status In Force
Filing Date 2021-09-14
Publication Date 2022-05-05
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Shin, Doo Sik
  • Lee, Byung Cheol
  • Lee, Gyung Yong

Abstract

Disclosed are a camera actuator and a camera module including same. A camera actuator according to the present invention comprises: a fixing unit which includes an upper cover and a lower base coupled to the upper cover to form a mounting space therein; an actuating unit which performs a plane motion along a plane perpendicular to an optical axis in the mounting space; and a middle actuating member (middle guide) interposed between the upper cover and the actuating unit via a ball so that the actuating unit can perform a plane motion with respect to the fixing unit, wherein at least two actuating magnets are mounted to one surface of the actuating unit, a yoke is disposed at the upper cover to correspond to each of the actuating magnets, the actuating unit is in close contact with the upper cover side with the middle actuating member therebetween by attractive force between the actuating magnet and the yoke corresponding to each other and is spaced apart from the lower base, and an actuating substrate of the actuating unit spaced apart from the lower base and a fixing substrate coupled to the lower base are electrically connected to each other via a plurality of long and slim flexible wires.

IPC Classes  ?

  • G03B 5/00 - Adjustment of optical system relative to image or object surface other than for focusing of general interest for cameras, projectors or printers
  • G03B 17/02 - Bodies
  • H04N 5/225 - Television cameras
  • H04N 5/232 - Devices for controlling television cameras, e.g. remote control

55.

CAMERA ACTUATOR AND FOLDED ZOOM CAMERA MODULE INCLUDING SAME

      
Application Number KR2021011248
Publication Number 2022/071663
Status In Force
Filing Date 2021-08-24
Publication Date 2022-04-07
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Shin, Doo Sik
  • Kim, In Soo
  • Kim, Hee Seung
  • Lee, Kyu Min

Abstract

Disclosed are a camera actuator for implementing auto focusing control and zoom functions and a folded zoom camera module including same. The camera actuator according to the present invention comprises: a housing; a driving unit comprising a vibration shaft mounted on the housing and extending in a first direction and a vibration generator that applies vibration to the vibration shaft in the first direction; a movable part provided in correspondence to the driving unit and moving in the first direction in the housing by a driving force generated by the driving unit; a friction moving part moving in the first direction on the vibration shaft; and a connecting part interconnecting the friction moving part and the movable part which correspond to each other, wherein the connecting part comprises a protrusion or a recess formed on a side surface of the friction moving part, which faces the movable part, and a recess or a protrusion formed on a side surface of the movable part so as to engage with the protrusion or the recess.

IPC Classes  ?

  • G03B 13/36 - Autofocus systems
  • G03B 17/17 - Bodies with reflectors arranged in beam forming the photographic image, e.g. for reducing dimensions of camera
  • H04N 5/225 - Television cameras

56.

CAMERA ACTUATOR

      
Application Number KR2021013041
Publication Number 2022/071691
Status In Force
Filing Date 2021-09-24
Publication Date 2022-04-07
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Go, Jae Yong
  • Kim, Seok Hyun
  • Kim, Jin Tae
  • Kim, Hong Seong

Abstract

A camera actuator is provided. The camera actuator according to an embodiment of the present invention comprises: a housing including a base and a cover; an AF carrier which is mounted in the housing and moves in an optical-axis direction; an OIS carrier to which a lens barrel is mounted and which is mounted in the AF carrier and moves in a direction perpendicular to the optical-axis direction; a first ball member which is disposed between the inner surface of the housing and the outer surface of the AF carrier to assist in the movement of the AF carrier; a second ball member which is disposed between the AF carrier and the OIS carrier to assist in the movement of the OIS carrier; and an OIS damper which is disposed between the inner surface of the AF carrier and the outer surface of the OIS carrier so as to reduce the impact generated between the AF carrier and the OIS carrier.

IPC Classes  ?

  • G03B 17/12 - Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
  • G03B 13/36 - Autofocus systems
  • G03B 5/04 - Vertical adjustment of lensRising fronts
  • H04N 5/225 - Television cameras

57.

REFLECTOMETER ACTUATOR

      
Application Number KR2021010556
Publication Number 2022/065680
Status In Force
Filing Date 2021-08-10
Publication Date 2022-03-31
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Park, Chul Soon
  • Kang, In Soo
  • Yeon, Je Seung
  • Yoon, Soo Young
  • Lee, Jae Seon
  • Cho, Hyeon Ik

Abstract

The present invention provides a reflectometer actuator comprising: a moving frame having a first magnet and a reflectometer for reflecting or refracting light to a lens; a first support frame that provides a movement space for the moving frame; a first drive coil that generates an electromagnetic force in the first magnet to rotate the moving frame with respect to the first support frame; a first rotation guide that is provided between the moving frame and the first support frame and has an arc shape so that the moving frame rotates in a first direction; and a ball disposed inside the first rotation guide, wherein the center of curvature of the first rotation guide coincides with the center of rotation of the reflectometer.

IPC Classes  ?

  • G03B 5/00 - Adjustment of optical system relative to image or object surface other than for focusing of general interest for cameras, projectors or printers
  • G03B 17/12 - Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
  • G03B 17/17 - Bodies with reflectors arranged in beam forming the photographic image, e.g. for reducing dimensions of camera
  • H04N 5/225 - Television cameras
  • G03B 17/02 - Bodies
  • H04N 5/232 - Devices for controlling television cameras, e.g. remote control

58.

ZOOM DRIVING ACTUATOR AND POSITION CONTROL METHOD FOR ZOOM DRIVING

      
Application Number KR2021012257
Publication Number 2022/065760
Status In Force
Filing Date 2021-09-09
Publication Date 2022-03-31
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Park, Chul Soon
  • Kang, In Su
  • Yeon, Je Seung
  • Lee, Byung Cheol
  • Cho, Hyeon Ik

Abstract

A zoom driving actuator according to the present invention comprises: a first carrier to which a first lens is mounted and which moves in an optical-axis direction; a second carrier to which a second lens is mounted and which moves in the optical-axis direction above or below the first carrier with respect to the optical-axis direction; a housing in which the first carrier and the second carrier are received; a first magnet which is mounted to the first carrier; a second magnet which is mounted to the second carrier; a first coil part which is provided in the housing and faces the first magnet; a second coil part which is provided in the housing and faces the second magnet; and balls which are disposed between the housing and the first carrier and between the housing and the second carrier, respectively.

IPC Classes  ?

  • G03B 5/00 - Adjustment of optical system relative to image or object surface other than for focusing of general interest for cameras, projectors or printers
  • G03B 17/02 - Bodies
  • H04N 5/225 - Television cameras

59.

CAMERA ACTUATOR AND CAMERA MODULE INCLUDING SAME

      
Application Number KR2021011244
Publication Number 2022/050619
Status In Force
Filing Date 2021-08-24
Publication Date 2022-03-10
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Ko, Jae Yong
  • Lee, Byung Cheol
  • Lee, Gyung Yong

Abstract

Disclosed are a camera actuator capable of achieving slimming of a camera module and a camera module including same. The camera actuator according to an embodiment of the present invention comprises: a fixing part including an upper base and a lower base that is coupled to the upper base to form a mounting space therein; and a movable part that performs, in the mounting space, a planar motion in two-axis directions perpendicular to an optical axis and a rotational motion about the optical axis, wherein the movable part includes a substrate having one surface on which a plurality of driving coils are mounted and a carrier on which the substrate is mounted, a plurality of driving magnets are mounted on the upper base to face the plurality of driving coils one by one, and a plurality of balls supporting the two-dimensional planar motion and the rotational motion of the movable part with respect to the fixed part are provided between the carrier and the upper base.

IPC Classes  ?

  • H04N 5/232 - Devices for controlling television cameras, e.g. remote control
  • H04N 5/225 - Television cameras
  • G03B 5/00 - Adjustment of optical system relative to image or object surface other than for focusing of general interest for cameras, projectors or printers
  • G03B 17/02 - Bodies

60.

HEAT DISSIPATION SHEET AND ELECTRONIC DEVICE COMPRISING SAME

      
Application Number KR2021009680
Publication Number 2022/030846
Status In Force
Filing Date 2021-07-27
Publication Date 2022-02-10
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Lee, Kwang Joo
  • Park, Tae Jeong

Abstract

The present invention provides a heat dissipation sheet and an electronic device comprising same, the sheet being capable of promoting excellent heat dissipation performance and improvement in thermal conductivity while preventing the scattering of graphite chips generated from a graphite sheet, and being effectively applicable and usable in an electronic device with a small bezel thickness. The heat dissipation sheet according to the present design comprises a graphite sheet and upper and lower films attached, respectively, to the upper and lower surfaces of the graphite sheet, wherein a sealing member is filled in the exterior portion of the graphite sheet positioned between the upper and lower films.

IPC Classes  ?

  • H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
  • B32B 9/00 - Layered products essentially comprising a particular substance not covered by groups
  • B32B 9/04 - Layered products essentially comprising a particular substance not covered by groups comprising such substance as the main or only constituent of a layer, next to another layer of a specific substance
  • B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
  • C01B 32/21 - After-treatment

61.

ACTUATOR FOR DIOPTRIC CAMERA MODULE AND CAMERA MODULE INCLUDING SAME

      
Application Number KR2021006570
Publication Number 2021/246708
Status In Force
Filing Date 2021-05-27
Publication Date 2021-12-09
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Shin, Doo Sik
  • Lee, Hwan Hwi
  • Lee, Byung Cheol

Abstract

Disclosed are: an actuator which is applied to a dioptric camera module (folded zoom camera module) and includes a reflection member that reflects incident light at a 90 degree angle to transmit the light to an optical system; and a folded zoom camera module including same. The actuator of a folded zoom camera module according to the present invention is characterized by comprising: a reflection member for reflecting incident light from a subject toward an image converting unit; a movable member to which the reflection member is mounted; and a fixing member for supporting the movable member. A tilting protrusion portion having an arc shape is formed in the movable member or the fixing member, and a tilting guide portion having an arc-shaped groove for accommodating the first tilting protrusion portion is formed in the fixing member or the movable member. The radius of curvature of the groove is greater than the radius of curvature of the tilting protrusion portion, and thus the rolling movement of the tilting protrusion portion on the groove tilts the movable member in a specific direction about an axis line with respect to the image converting unit.

IPC Classes  ?

  • G03B 5/00 - Adjustment of optical system relative to image or object surface other than for focusing of general interest for cameras, projectors or printers
  • G03B 17/12 - Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
  • H04N 5/232 - Devices for controlling television cameras, e.g. remote control

62.

AUTOFOCUS ADJUSTMENT DEVICE

      
Application Number KR2020007159
Publication Number 2021/246543
Status In Force
Filing Date 2020-06-02
Publication Date 2021-12-09
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Kim, Man Ki
  • Lee, Byung Cheol

Abstract

An autofocus adjustment device according to the present invention comprises: a carrier on which a lens is mounted and which moves linearly in the optical axial direction; a housing for accommodating the carrier; a driving part assembly which is provided in the housing and moves the carrier in the optical axial direction; and a ball which is provided between the carrier and the housing and is in contact with the carrier and the housing, wherein at least one of the portion of the carrier that comes into contact with the ball, or the portion of the housing that comes into contact with the ball is made of a metal material.

IPC Classes  ?

  • G03B 13/36 - Autofocus systems
  • G03B 17/12 - Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets

63.

ACTUATOR FOR FOLDED ZOOM CAMERA MODULE AND CAMERA MODULE COMPRISING SAME

      
Application Number KR2021006585
Publication Number 2021/246714
Status In Force
Filing Date 2021-05-27
Publication Date 2021-12-09
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Ko, Jae Yong
  • Lee, Byung Cheol
  • Lee, Gyung Yong
  • Kim, Man Ki

Abstract

Disclosed are an actuator for a folded zoom camera module including a reflectometer and a folded zoom camera module comprising the actuator. The actuator for a folded zoom camera module according to the present invention comprises: a movable unit having a lens barrel loaded therein and a magnet attached to one side surface portion where the lens barrel is loaded; a fixing unit which accommodates the movable unit to be translatable in the optical axis direction and which has a coil and a coil yoke arranged on one side surface thereof so as to face the magnet; and ball rolling units which guide the translation movement of the movable unit between the movable unit and the fixing unit, with respect to the fixing unit in the optical axis direction, wherein the ball rolling units are arranged on two regions facing each other in the diagonal direction on the basis of the center of the lens barrel in the optical axis direction, and the center of the magnet and the center of the coil yoke are located at different heights from each other such that a suction force can be applied in another diagonal direction in which the ball rolling units are not arranged.

IPC Classes  ?

  • H04N 5/225 - Television cameras
  • G03B 17/12 - Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
  • G03B 5/00 - Adjustment of optical system relative to image or object surface other than for focusing of general interest for cameras, projectors or printers

64.

CAMERA MODULE AND CAMERA MODULE ASSEMBLY METHOD

      
Application Number KR2021004788
Publication Number 2021/235706
Status In Force
Filing Date 2021-04-16
Publication Date 2021-11-25
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Shin, Doo Sik
  • Lee, Kyu Min
  • Kim, Hee Seung
  • Kim, Hyeong Seob
  • Jung, Ji Hoon

Abstract

A camera module and a method for assembling same are disclosed. A camera module according to the present invention is a folded zoom camera module having a sensor (imaging element such as CCD or CMOS) and lenses arranged transversely, unlike the existing scheme in which same are stacked longitudinally. The camera module comprises: a housing having a containing space formed therein and configured such that one side portion thereof in an optical axis direction, the opposite portion thereof, the other side portion thereof, and the lower surface portion thereof are open; at least one driving unit installed to cover the lower surface portion of the housing, the driving unit comprising a substrate having multiple (two or more) coils mounted on a surface facing the containing space; a fixed optical unit coaxially coupled to one side surface portion of the housing; and at least one movable optical unit arranged in the containing space of the housing behind the fixed optical unit, with reference to a direction of movement of light, so as to be able to move in the axial direction, the movable optical unit having a magnet coupled to a surface thereof, which faces the substrate, so as to correspond to the coils. A mounting frame is formed inside the other side surface portion of the housing such that an image sensor module is mounted. Each of the fixed optical unit and the movable optical unit has at least one alignment hole formed therein for optical axis-direction alignment inside the housing. The mounting frame has at least one alignment groove formed on a surface thereof so as to correspond to the alignment hole.

IPC Classes  ?

65.

ACTUATOR FOR GENERATING VIBRATION

      
Application Number KR2021001268
Publication Number 2021/215628
Status In Force
Filing Date 2021-02-01
Publication Date 2021-10-28
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Kim, Hyo Jun
  • Shim, Soon Koo
  • Ryu, Jong Soo
  • Sung, Hyun Gyu
  • Jang, Jung Hoon
  • Lee, Jun Ki

Abstract

An actuator for generating vibration of the present invention comprises: a shaft; a middle supporter comprising a fitting part fitted around an upper portion of the shaft, and a support part disposed in a lower portion of the fitting part and forming a first space through which a lower portion of the shaft is exposed; a circuit board including a driving coil and a hollow portion which extends through the middle supporter; a housing which includes an inner space formed therein so as to accommodate the middle supporter and the circuit board, and to which the circuit board is fixed; a first yoke plate which includes a first magnet installed thereon and facing an upper surface of the driving coil, and is fixedly coupled to an upper portion of the middle supporter; a second yoke plate which includes a second magnet installed thereon and facing a lower surface of the driving coil, and is fixedly coupled to a lower portion of the middle supporter; and a weight member installed in at least one of the first and second yoke plates.

IPC Classes  ?

  • H02K 7/065 - Electromechanical oscillatorsVibrating magnetic drives
  • H02K 7/08 - Structural association with bearings
  • H02K 5/173 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
  • H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
  • H04M 19/04 - Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations
  • G06F 3/041 - Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means

66.

REFLECTOMETER ACTUATOR AND CAMERA MODULE COMPRISING SAME

      
Application Number KR2021004414
Publication Number 2021/206469
Status In Force
Filing Date 2021-04-08
Publication Date 2021-10-14
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Park, Chul Soon
  • Kang, In Su
  • Cho, Hyeon Ik
  • Lee, Jae Seon

Abstract

A reflectometer actuator of the present invention is characterized by comprising: a moving frame provided with a reflectometer for reflecting light into a lens and a magnet; a base frame providing a moving space of the moving frame; a drive coil for generating a magnetic force in the magnet such that the moving frame rotatably moves with respect to the base frame; a guide rail formed on any one of the moving frame and the base frame and having a rounded shape; a holder provided in one that is not provided with the guide rail, of the moving frame and the base frame, provided in a direction facing the guide rail, and having a groove shape; and a ball disposed between the guide rail and the holder.

IPC Classes  ?

  • G03B 5/00 - Adjustment of optical system relative to image or object surface other than for focusing of general interest for cameras, projectors or printers
  • H04N 5/225 - Television cameras

67.

HORIZONTAL LINEAR-VIBRATION GENERATING APPARATUS

      
Application Number KR2020019400
Publication Number 2021/137619
Status In Force
Filing Date 2020-12-30
Publication Date 2021-07-08
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Shim, Soon Koo
  • Jung, Kyung Yang
  • Lee, Won Gook
  • Yoo, Han Ho
  • Kim, Seung Ki

Abstract

A horizontal linear-vibration generating apparatus is disclosed. The horizontal linear-vibration generating apparatus according to the present invention comprises: a case coupled to a bracket so as to form a mounting space therein; a stator which is mounted in the mounting space, and which includes a coil-yoke unit electrically connected to a circuit substrate on the bracket; a vibrator which has a magnet corresponding to the coil-yoke unit and a weighted body for amplifying vibration and which vibrates in the first direction with respect to the stator in the mounting space; and first and second springs which are provided between the case and the vibrator, and which elastically support, at both sides thereof, pitching/rolling of the vibrator in the first-direction with respect to the stator in the mounting space, wherein the first spring and the second spring have first and second spring supports, respectively, which are integrally formed thereon, for mounting the vibrator, each of the first and second spring supports has at least one movable stopper, the case and the bracket have at least one fixed stopper formed in correspondence to the movable stopper, and the movable stopper and the fixed stopper, corresponding to each other, are formed so that at least portions thereof are overlapped when viewed in the first direction.

IPC Classes  ?

  • H02K 33/02 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs
  • H02K 33/16 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with polarised armatures moving in alternate directions by reversal or energisation of a single coil system
  • B06B 1/04 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency making use of electrical energy operating with electromagnetism
  • H01F 7/02 - Permanent magnets
  • H02K 5/04 - Casings or enclosures characterised by the shape, form or construction thereof
  • H04M 19/04 - Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations

68.

ACTUATOR FOR CAMERA, AND CAMERA MODULE INCLUDING SAME

      
Application Number KR2020009239
Publication Number 2021/125481
Status In Force
Filing Date 2020-07-14
Publication Date 2021-06-24
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Kim, Hee Seung
  • Han, Min Seok

Abstract

An actuator for a camera according to the present invention is characterized by comprising: a first OIS carrier positioned above a base and moving in a first direction perpendicular to the optical axis; a first elastic body which has one end fixed to the side surface of the base and the other end fixed to the side surface of the first OIS carrier, and which elastically supports the movement of the first OIS carrier in the first direction; a second OIS carrier positioned above the first OIS carrier and moving in a second direction perpendicular to both the optical axis and the first direction; and a second elastic body which has one end fixed to the side surface of the first OIS carrier and the other end fixed to the side surface of the second OIS carrier, and which elastically supports the movement of the second OIS carrier in the second direction, wherein at least one of the first elastic body or the second elastic body has a left-right asymmetric shape with respect to the optical axis direction.

IPC Classes  ?

  • G03B 5/06 - Swinging lens about normal to the optical axis
  • G03B 5/04 - Vertical adjustment of lensRising fronts
  • G03B 13/36 - Autofocus systems
  • G03B 17/12 - Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets

69.

CAMERA ACTUATOR AND CAMERA MODULE INCLUDING SAME

      
Application Number KR2020005556
Publication Number 2021/066272
Status In Force
Filing Date 2020-04-28
Publication Date 2021-04-08
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Shin, Doo Sik
  • Lee, Deok Yeol
  • Kim, In Soo
  • Kim, Hee Seung
  • Byun, Geon Hyung

Abstract

Disclosed are: a camera actuator for shake correction by means of a novel driving method by utilizing a shape memory alloy having the physical property of being restored to the original shape thereof when the temperature changes; and a camera module including same. A camera actuator according to the present invention comprises: a tilt unit for accommodating an optical module to which an optical system is mounted; and a rotary driving part which generates and provides a driving force for rotating the tilt unit about a specific horizontal axis. The rotary driving unit comprises: a first SMA wire which is connected on one side of a rotary plate so as to apply a unidirectional rotational moment to a rotary shaft of the tilt unit through the rotary plate coupled to the rotary shaft; and a second SMA wire which is connected on the other side of the rotary plate so as to apply a rotational moment to the rotary shaft through the rotary plate in the opposite direction as the first SMA wire. An electric current is alternatively applied to the first SMA wire and the second SMA wire, and the SMA wire to which the electric current has been alternatively applied contracts due to the electric current applied thereto, whereby the rotary shaft rotates so that the tilt unit equipped with an optical module can tilt in the clockwise or counterclockwise direction to counteract the shaking of the hands.

IPC Classes  ?

  • G03B 5/00 - Adjustment of optical system relative to image or object surface other than for focusing of general interest for cameras, projectors or printers
  • H04N 5/232 - Devices for controlling television cameras, e.g. remote control
  • H04N 5/225 - Television cameras

70.

CAMERA ACTUATOR AND COMPACT CAMERA COMPRISING SAME

      
Application Number KR2020009279
Publication Number 2021/040232
Status In Force
Filing Date 2020-07-15
Publication Date 2021-03-04
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Lee, Byung Cheol
  • Kim, Dong Kuk

Abstract

Disclosed are a camera actuator for implementing auto-focus and zoom functions, and a compact camera comprising same. The camera actuator according to the present invention comprises: a housing having, between first and second side walls that face each other, a space divided into two by a partition; an optical unit provided in a first accommodation space, partitioned between the first side wall and the partition, so as to rectilinearly move in an optical axis direction; a driving body provided in a second accommodation space, partitioned between the second side wall and the partition, so as to rectilinearly move in the optical axis direction; a magnetic circuit unit including a driving coil provided on a wall surface that partitions the second accommodation space, and a driving magnet coupled to the side surface part of the driving body so as to face the driving coil; and a rotary link for linkably connecting the optical unit and the driving body, wherein the rotary link rotates on a planar surface, that is parallel to an optical axis according to the motion of the driving body, around a pivot point coupled to the top of the partition with a hinge structure, and on the basis of the pivot point, distance (D1) to an output point where one side of the rotary link is connected to one surface of the optical unit with a cam structure differs from distance (D2) to an input point where the other side of the rotary link is connected to one surface of the driving body with a cam structure.

IPC Classes  ?

71.

HAPTIC ACTUATOR AND ELECTRONIC DEVICE INCLUDING SAME

      
Application Number KR2020009655
Publication Number 2021/025338
Status In Force
Filing Date 2020-07-22
Publication Date 2021-02-11
Owner
  • SAMSUNG ELECTRONICS CO., LTD. (Republic of Korea)
  • JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Lee, Jeongseok
  • Song, Kwonho
  • Noh, Junho
  • Shim, Soonkoo
  • Lee, Minku
  • Chong, Youngbin
  • Choi, Namjin
  • Kim, Taesik
  • Dae, Woonki
  • Bae, Yudong

Abstract

An actuator according to various embodiments of the present invention comprises: a stator including a bracket, a yoke located on the bracket, and a coil for encompassing the circumference of the yoke; a permanent magnet encompassing the circumference of the coil; a vibrator including a weight encompassing the circumference of the permanent magnet, and a plate for supporting the permanent magnet and the weight; an elastic member located between the bracket and the vibrator so as to support the vibrator; and a magnetic fluid which is located between the vibrator and the stator, and which provides damping stability when the vibrator vibrates, wherein the weight of the magnetic fluid can be between 0.24% to 0.71% on the basis of the weight of the vibrator. Other various embodiments are possible.

IPC Classes  ?

  • G06F 3/01 - Input arrangements or combined input and output arrangements for interaction between user and computer
  • H02K 33/02 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs
  • H02K 33/16 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with polarised armatures moving in alternate directions by reversal or energisation of a single coil system
  • H02K 5/04 - Casings or enclosures characterised by the shape, form or construction thereof
  • H01F 1/44 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of magnetic liquids, e.g. ferrofluids
  • H01L 41/09 - Piezo-electric or electrostrictive elements with electrical input and mechanical output

72.

ACTUATOR FOR CAMERA HAVING MULTI-DIRECTIONAL DAMPER

      
Application Number KR2020009836
Publication Number 2021/020828
Status In Force
Filing Date 2020-07-27
Publication Date 2021-02-04
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Kim, Dok Hyun
  • Park, Chul Soon
  • Yeon, Je Seung

Abstract

An actuator for a camera having a multi-directional damper of the present invention comprises: a base having an inner space formed therein; a case coupled to the base; a carrier which is provided in the inner space of the base and moves in one or more directions among the direction of an optical axis, a first direction perpendicular to the optical axis, or a second direction perpendicular to the optical axis and the first direction; and a damper having a sub part positioned in two or more directions among an optical axis direction in which the carrier and the case face, a first direction in which the carrier and the base face, or a second direction.

IPC Classes  ?

  • H04N 5/225 - Television cameras
  • H04N 5/232 - Devices for controlling television cameras, e.g. remote control
  • F16F 15/08 - Suppression of vibrations of non-rotating, e.g. reciprocating, systemsSuppression of vibrations of rotating systems by use of members not moving with the rotating system using elastic means with rubber springs

73.

DAMPER, AND ACTUATOR FOR CAMERA INCLUDING SAME

      
Application Number KR2020008982
Publication Number 2021/010652
Status In Force
Filing Date 2020-07-09
Publication Date 2021-01-21
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor Kim, Hee Seung

Abstract

An actuator for a camera according to the present invention is characterized by including: a base defining an inner space; a carrier provided inside the base and moving in at least one direction among an optical axis direction, a first direction perpendicular to the optical axis, and a second direction perpendicular to the optical axis and the first direction; and a damper provided on the carrier or the base and having a shape extending in at least two directions among the optical axis direction, the first direction, and the second direction.

IPC Classes  ?

  • H04N 5/232 - Devices for controlling television cameras, e.g. remote control
  • G03B 5/00 - Adjustment of optical system relative to image or object surface other than for focusing of general interest for cameras, projectors or printers
  • G03B 13/36 - Autofocus systems
  • F16F 15/04 - Suppression of vibrations of non-rotating, e.g. reciprocating, systemsSuppression of vibrations of rotating systems by use of members not moving with the rotating system using elastic means

74.

ACTUATOR FOR CAMERA, AND CAMERA MODULE COMPRISING SAME

      
Application Number KR2020003938
Publication Number 2020/218746
Status In Force
Filing Date 2020-03-23
Publication Date 2020-10-29
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor Kim, Hee Seung

Abstract

An actuator for a camera, according to the present invention, comprises: a base in which an internal space is formed; a first OIS carrier accommodated in the base; and a first OIS ball positioned between the inner side of the side surface of the base and the outer side of the side surface of the first OIS carrier, wherein the first OIS carrier linearly moves in a first direction that is perpendicular to an optical axis direction along the side surface of the base.

IPC Classes  ?

75.

OPTICAL SYSTEM DRIVING DEVICE, OPTICAL SYSTEM POSITION CONTROL DEVICE, AND POSITION CONTROL METHOD

      
Application Number KR2019006523
Publication Number 2020/101135
Status In Force
Filing Date 2019-05-30
Publication Date 2020-05-22
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Park, Chul Soon
  • Son, Jung Min
  • Lee, Sang Hwa

Abstract

An optical system driving device according to the present invention comprises: a first carrier which rotates with respect to a first direction perpendicular to an optical axis; a second carrier which has an optical system for reflecting light in a lens direction, and is accommodated in the first carrier so as to rotate with respect to a second direction which is perpendicular to both the optical axis and the first direction with respect to the first carrier; a plurality of magnets provided at different positions in the second carrier; a plurality of hall sensors for outputting signals corresponding to the positions of each of the plurality of magnets; and a position control unit for calculating the signals inputted from the plurality of hall sensors so as to generate a position signal which is a signal for the current position of the second carrier.

IPC Classes  ?

76.

HORIZONTAL LINEAR VIBRATION GENERATING DEVICE

      
Application Number KR2019004541
Publication Number 2019/203521
Status In Force
Filing Date 2019-04-16
Publication Date 2019-10-24
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Kim, Hyo Jun
  • Shim, Soon Koo
  • Yoo, Han Ho
  • Jung, Kyung Yang
  • Lee, Won Gook
  • Kim, Seung Ki

Abstract

Disclosed is a horizontal linear vibration generating device. The horizontal linear vibration generating device according to the present invention is configured to comprise: a case coupled to a bracket so as to form a mounting space therein; a stator including a coil, which is mounted on a circuit board on a top surface of the bracket, and a yoke, which is configured such that a portion of the outer surface thereof is surrounded by the coil; a vibrator configured to surround the stator and oscillating in a first direction inside the case due to interaction with the stator; and a pair of springs for elastically supporting the vibrator from both sides in the first direction, from between the case and the vibrator. The vibrator comprises: first and second magnet groups disposed facing each other in a second direction crossing the first direction, with the stator therebetween; and weight bodies disposed adjacent to the first and second magnet groups. The first and second magnet groups each comprise: a central magnet magnetized such that the magnetic field thereof is oriented toward the stator; and a pair of auxiliary magnets installed on both sides of the central magnet so as to contact the central magnet, and magnetized such that the magnetic fields thereof are oriented toward the central magnet. Magnetic pole surfaces on which the pair of auxiliary magnets are in contact with the central magnet are inclined.

IPC Classes  ?

  • H02K 33/02 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs
  • H02K 33/16 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with polarised armatures moving in alternate directions by reversal or energisation of a single coil system
  • H04M 19/04 - Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations

77.

CAMERA DEVICE WITH SLIDING SHUTTER

      
Application Number KR2017010066
Publication Number 2019/054528
Status In Force
Filing Date 2017-09-13
Publication Date 2019-03-21
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Lee, Byung Cheol
  • Park, Byoung Chan
  • Kim, Dok Hyun
  • Go, Jae Yong

Abstract

A camera device with a sliding shutter according to the present invention comprises: a camera module including a lens; a sliding shutter having an optical member and arranged on the front of the lens; a magnet mounted on the sliding shutter; and a drive coil for generating electromagnetic force in the magnet by means of applied power so as to linearly move the sliding shutter.

IPC Classes  ?

  • G03B 9/36 - Sliding rigid plate
  • G03B 17/12 - Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
  • H04N 5/225 - Television cameras
  • G02B 5/20 - Filters

78.

MAGNET ROLLER AND IMAGE FORMING DEVICE INCLUDING SAME

      
Application Number KR2018010395
Publication Number 2019/054696
Status In Force
Filing Date 2018-09-06
Publication Date 2019-03-21
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Park, Sung Ha
  • Kim, Dong Man

Abstract

Disclosed are a magnet roller and an image forming device including the same. According to the magnet roller and the image forming device including the same of the present invention, the distribution of magnetic force becomes uniform, thus enabling high-quality development, and manufacturing costs can be reduced to increase productivity.

IPC Classes  ?

  • G03G 15/09 - Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer using magnetic brush
  • G03G 15/08 - Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer

79.

CAMERA DEVICE

      
Application Number KR2018004977
Publication Number 2018/216915
Status In Force
Filing Date 2018-04-30
Publication Date 2018-11-29
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Lee, Kyoung Yong
  • Lee, Sang Hwa
  • Yeon, Je Seung
  • Park, Chul Soon

Abstract

A camera device according to the present invention comprises: a carrier in which a lens assembly is disposed along an optical axis; a main frame which has the carrier mounted thereto and is provided with a recess part rail; a housing in which the main frame is mounted and a guide rail corresponding to the recess part rail is formed; and a driving part for moving the main frame in a direction perpendicular to the optical axis.

IPC Classes  ?

  • G03B 17/12 - Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
  • G02B 7/02 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses

80.

REFLECTION SYSTEM DRIVING DEVICE HAVING MULTI-AXIS STRUCTURE

      
Application Number KR2017010171
Publication Number 2018/151388
Status In Force
Filing Date 2017-09-18
Publication Date 2018-08-23
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Park, Chul Soon
  • Seol, Jin Soo
  • Lee, Kyoung Yong
  • Son, Myung Gyun
  • Son, Jung Min

Abstract

A reflection system driving device having a multi-axis structure of the present invention comprises: a support frame having a first groove rail; a reflection system which is provided at the support frame and reflects light to a lens; a middle frame having a first guide rail, which corresponds to the first groove rail, and a second groove rail; a base frame having a second guide rail corresponding to the second groove rail; a first driving unit for moving the support frame in a first direction on the basis of the middle frame; and a second driving unit for moving the middle frame in a second direction, which is perpendicular to the first direction, on the basis of the base frame.

IPC Classes  ?

  • G02B 26/08 - Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
  • G02B 27/64 - Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
  • G02B 13/00 - Optical objectives specially designed for the purposes specified below
  • G03B 3/10 - Power-operated focusing
  • G02B 7/02 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses

81.

REFLEXOMETER SUPPORTING DEVICE

      
Application Number KR2017013475
Publication Number 2018/147534
Status In Force
Filing Date 2017-11-24
Publication Date 2018-08-16
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Park, Chul Soon
  • Suh, Min Gyu
  • Son, Jung Min

Abstract

A reflexometer supporting device of the present invention is a supporting device for supporting a reflexometer which changes the path of light to guide the light into a lens, the reflexometer supporting device comprising: an inclined surface part for supporting a reflective surface of the reflexometer; a guide wall part which supports a side surface of the reflexometer and is formed on a side portion of the inclined surface part; a guide opening part formed in the guide wall part; and a support member which is formed of a material different from a material of the reflexometer, and is insertedly coupled to the guide opening part so that an inner side surface of the support member is fixedly coupled to the side surface of the reflexometer.

IPC Classes  ?

  • G02B 27/64 - Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
  • G02B 26/08 - Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light

82.

CAMERA IRIS DRIVING APPARATUS

      
Application Number KR2017013321
Publication Number 2018/139748
Status In Force
Filing Date 2017-11-22
Publication Date 2018-08-02
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Kim, Hee Seung
  • Kim, In Soo
  • Park, Chang Wook

Abstract

A camera iris driving apparatus according to the present invention comprises: a first magnet and a second magnet arranged at different locations; a blade having an opening through which light is introduced, the blade adjusting an amount of light introduced into a lens by physical movement; a driving unit for driving physical movement of the blade; and a blade yoke disposed on the blade to generate a force of attracting the first or second magnet according to a position of the blade, the blade yoke being made of a magnetic material.

IPC Classes  ?

  • G03B 7/12 - Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device a hand-actuated member moved from one position to another providing the energy to move the setting member, e.g. depression of shutter release button causes a stepped feeler to co-operate with the pointer of the light-sensitive device to set the diaphragm and thereafter release the shutter
  • G03B 7/08 - Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
  • G03B 9/06 - Two or more co-operating pivoted blades e.g. iris type

83.

APPARATUS FOR DRIVING REFLECTOR FOR OIS BY USING WIRE

      
Application Number KR2017012460
Publication Number 2018/135732
Status In Force
Filing Date 2017-11-06
Publication Date 2018-07-26
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor Kim, Hee Seung

Abstract

An apparatus for driving a reflector for OIS by using a wire according to the present invention comprises: a support frame in which two or more shape memory alloy (SMA) wires are disposed at different positions; a reflector installed in the support frame and changing the path of light entering through an opening so as to allow the light to be incident to a lens; a base frame to which the SMA wires are coupled; an elastic body disposed between the support frame and the base frame so as to elastically support the support frame; and a circuit board for supplying current to the SMA wires.

IPC Classes  ?

  • G02B 27/64 - Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
  • G03B 13/36 - Autofocus systems
  • G03B 5/00 - Adjustment of optical system relative to image or object surface other than for focusing of general interest for cameras, projectors or printers

84.

AUTOMATIC FOCUS ADJUSTMENT DEVICE HAVING ASYMMETRIC SUPPORT STRUCTURE

      
Application Number KR2017012646
Publication Number 2018/117414
Status In Force
Filing Date 2017-11-09
Publication Date 2018-06-28
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Kim, Hee Seung
  • Kim, In Soo

Abstract

An automatic focus adjustment device having an asymmetric support structure, of the present invention, comprises: a first frame having a magnet; a second frame having an AF coil for moving the first frame in an optical axis direction; a first ball group positioned between the first frame and the second frame and having n (n is a natural number of 4 or more) number of balls arranged along the optical axis direction; and a second ball group positioned between the first frame and the second frame, having m (m is a natural number of 4 or more) number of balls arranged along the optical axis direction, and provided at a position different from that of the first ball group, wherein the first ball group includes first support balls, which are two balls having a size larger than that of the remaining balls belonging to the first ball group, and the second ball group includes second support balls, which are two balls having a size larger than that of the remaining balls belonging to the second ball group.

IPC Classes  ?

85.

RELEASE PREVENTION PLATE-EQUIPPED LINEAR VIBRATION GENERATOR AND PLATE

      
Application Number KR2017012926
Publication Number 2018/105916
Status In Force
Filing Date 2017-11-15
Publication Date 2018-06-14
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Choi, Nam Jin
  • Shim, Soon Koo
  • Chong, Young Bin

Abstract

A release prevention plate-equipped linear vibration generator according to the present invention comprises: a housing having an inner space formed therein; a fixture provided in the inner space and including a coil; a magnet facing the coil, and a weight; a vibrator coupled to both the magnet and the weight and including a plate having an upper end portion protruding outward; and an elastic body for elastically supporting the vibrator.

IPC Classes  ?

  • H02K 33/02 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs
  • H04M 1/02 - Constructional features of telephone sets

86.

REFLECTOMETER DRIVING DEVICE FOR OIS

      
Application Number KR2017002300
Publication Number 2018/066775
Status In Force
Filing Date 2017-03-03
Publication Date 2018-04-12
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Yeon, Je Seung
  • Lee, Byung Cheol
  • Kang, Byung Kill
  • Park, Chul Soon

Abstract

This reflectometer driving device for OIS of the present invention is characterized by including: a support frame having a groove portion line formed therein; a reflectometer installed in the support frame, and causing light to enter a lens by changing the path of light that has entered through an opening portion; a base frame having a guide groove portion having a shape corresponding to the groove portion line; a plurality of balls disposed between the groove portion line and the guide groove portion so that the support frame and the base frame are kept spaced apart from each other; and a driving part moving the support frame along a path that corresponds to the groove portion line or the guide groove portion.

IPC Classes  ?

  • G02B 7/28 - Systems for automatic generation of focusing signals
  • G02B 7/02 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses
  • G03B 3/10 - Power-operated focusing

87.

LINEAR VIBRATION GENERATION DEVICE COMPRISING DAMPER, AND DAMPER

      
Application Number KR2017000298
Publication Number 2018/034394
Status In Force
Filing Date 2017-01-10
Publication Date 2018-02-22
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Choi, Nam Jin
  • Jo, Kyung Hoon
  • Shim, Soon Koo
  • Chong, Young Bin
  • Lee, Won Gook
  • Lee, Min Goo

Abstract

A linear vibration generation device comprising a damper according to the present invention comprises a damper comprising: a housing having an inner space; a fixed body provided in the inner space and comprising a coil; a vibrating body comprising a weight and a magnet which is disposed about the same axis with the coil, and moving vertically with respect to the fixed body; an elastic body for elastically supporting the vibrating body; a viscous fluid provided on the upper surface of the magnet; and a damper installed to the housing so as to face the upper surface of the vibrating body, and having a shape such that, when the vibrating body moves upward, the damper makes contact with the viscous fluid, but does not make contact with the entire viscous fluid at the same time.

IPC Classes  ?

  • H02K 33/02 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs
  • H02K 5/24 - CasingsEnclosuresSupports specially adapted for suppression or reduction of noise or vibrations
  • G06F 3/01 - Input arrangements or combined input and output arrangements for interaction between user and computer
  • H01F 1/44 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of magnetic liquids, e.g. ferrofluids

88.

CIRCUIT BOARD AND VIBRATION GENERATION APPARATUS COMPRISING SAME

      
Application Number KR2017001054
Publication Number 2018/026079
Status In Force
Filing Date 2017-02-01
Publication Date 2018-02-08
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Choi, Nam Jin
  • Jo, Kyong Hoon
  • Shim, Soon Koo
  • Chong, Young Bin
  • Choi, Chun
  • Lee, Won Gook
  • Lee, Min Goo

Abstract

Disclosed are a circuit board and vibration generation apparatus comprising same. The circuit board and vibration generation apparatus comprising same according to the present invention can vary a radio frequency interference section in accordance with a pattern by means of pattern changes in the circuit board, and can improve the reception efficiency of an antenna by reducing radio frequency noise of the circuit board.

IPC Classes  ?

  • H05K 1/02 - Printed circuits Details
  • H05K 1/11 - Printed elements for providing electric connections to or between printed circuits
  • H05K 3/28 - Applying non-metallic protective coatings
  • H05K 1/16 - Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor
  • B06B 1/04 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency making use of electrical energy operating with electromagnetism

89.

VIBRATION GENERATION APPARATUS

      
Application Number KR2017008436
Publication Number 2018/026231
Status In Force
Filing Date 2017-08-04
Publication Date 2018-02-08
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Choi, Nam Jin
  • Jo, Kyung Hoon
  • Shim, Soon Koo
  • Chong, Young Bin
  • Choi, Chun
  • Lee, Won Gook
  • Lee, Min Goo

Abstract

A vibration generation apparatus according to the present invention comprises: a bracket coupled to a rectangular case to form an inner space; a stator provided with a circuit board attached to the top surface of the bracket, and a coil connected to the circuit board; a vibrator provided with a permanent magnet arranged on the exterior of the coil, and a weighted body attached to the outer circumferential surface of the permanent magnet; and an elastic member connecting the stator and vibrator, and elastically supporting the vibrator, wherein the weighted body is polyhedral, and the vibrator moves vertically.

IPC Classes  ?

  • H02K 33/02 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs
  • H04M 1/725 - Cordless telephones

90.

ROTARY DRIVING DEVICE FOR OPTICAL DEVICE, AND CAMERA MODULE HAVING SAME

      
Application Number KR2016007832
Publication Number 2018/004051
Status In Force
Filing Date 2016-07-19
Publication Date 2018-01-04
Owner JA HWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Shin, Doo Sik
  • Kim, Sang Chul

Abstract

Disclosed is a rotary driving device for an optical device, comprising: a rotary shaft capable of freely rotating in place which is fixed; a first shape memory alloy wire fixed in a first direction so as to enable rotational moment to be applied to the rotary shaft, and having a property that reduces the length thereof with respect to the rotary shaft when an electric current is applied; a second shape memory alloy wire fixed in a second direction opposite the first direction so as to enable rotational moment to be applied to the rotary shaft, and having a property that reduces the length thereof with respect to the rotary shaft when the electric current is applied; and a control unit for controlling the supplying of the electric current to the first shape memory alloy wire when the rotary shaft rotates in the first direction and the supplying of the electric current to the second shape memory alloy wire when the rotary shaft rotates in the second direction.

IPC Classes  ?

  • G02B 7/10 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
  • G02B 7/02 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses
  • G03B 3/10 - Power-operated focusing
  • G02B 5/20 - Filters
  • H01R 4/01 - Connections using shape memory materials, e.g. shape memory metal

91.

DUAL ACTUATOR

      
Application Number KR2017004795
Publication Number 2018/004124
Status In Force
Filing Date 2017-05-10
Publication Date 2018-01-04
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Kim, Hee Seung
  • Jeon, Ki Hoon
  • Lee, Hwan Hwi
  • Noh, Yo Han

Abstract

A dual actuator according to the present invention comprises: first and second actuators which include an AF carrier moving along an optical axis and equipped with an AF magnet, and an AF driver for moving the AF carrier in the direction of the optical axis, the first and second actuators being disposed to face each other, wherein at least one of the AF magnets provided in the first and second actuators is provided in a direction different from the direction in which the first and second actuators face each other.

IPC Classes  ?

  • G02B 7/10 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
  • G03B 3/10 - Power-operated focusing
  • G02B 7/02 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses
  • H02K 41/035 - DC motorsUnipolar motors

92.

OIS ACTUATOR HAVING INTEGRATED YOKE

      
Application Number KR2017004937
Publication Number 2017/217659
Status In Force
Filing Date 2017-05-12
Publication Date 2017-12-21
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Kim, Hee Seung
  • Kim, In Soo
  • Choi, Seung Hwan

Abstract

An OIS actuator having an integrated yoke, of the present invention, comprises: a base frame; an OIS carrier which is disposed on the base frame and to which a lens barrel is coupled; first and second magnets respectively provided on the OIS carrier in a first direction and a second direction which are orthogonal to each other; first and second coils, respectively provided in directions which are opposite to the first and second magnets, for generating an electromagnetic force respectively on the first and second magnets; a ball interposed between the base frame and the OIS carrier; and an integrated yoke, which is provided on the base frame at a position corresponding to the first and second magnets, for generating an attractive force on the first and second magnets.

IPC Classes  ?

  • G02B 7/10 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
  • H02K 33/12 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moving in alternate directions by alternate energisation of two coil systems
  • G03B 3/10 - Power-operated focusing

93.

AUTOMATIC FOCUS ADJUSTMENT DEVICE HAVING THREE-POSITION SUPPORT STRUCTURE

      
Application Number KR2017001369
Publication Number 2017/155214
Status In Force
Filing Date 2017-02-08
Publication Date 2017-09-14
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Kang, Il Kyu
  • Kim, Hee Seung
  • Kim, In Soo

Abstract

An automatic focus adjustment device having a three-position support structure of the present invention comprises: a first frame having a magnet; a second frame having AF coils for moving the first frame in the direction of an optical axis; and a plurality of balls positioned between the first frame and the second frame so as to maintain the state in which the first frame and the second frame are spaced from each other, wherein three balls among the plurality of balls have sizes relatively larger than those of the remaining balls.

IPC Classes  ?

  • G03B 13/34 - Power focusing
  • G03B 5/06 - Swinging lens about normal to the optical axis
  • G03B 3/10 - Power-operated focusing
  • H04N 5/232 - Devices for controlling television cameras, e.g. remote control

94.

INDEPENDENTLY CONTROLLED PTC HEATER, AND DEVICE

      
Application Number KR2016013116
Publication Number 2017/131327
Status In Force
Filing Date 2016-11-15
Publication Date 2017-08-03
Owner
  • JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
  • HANON SYSTEMS (Republic of Korea)
Inventor
  • Min, Do Sik
  • Kim, Jong Up
  • Oh, Sang Ho
  • Lim, Chae Geun
  • Jung, Joong Heum

Abstract

An independently controlled PTC heater of the present invention comprises: a PTC unit, which includes first and second PTC elements heated by the applied power, a guide frame having an opening portion at which the first and second PTC elements are mounted, first and second electrode plates respectively coming in contact with each one surface side of the first and second PTC elements exposed through the opening portion, a common electrode plate coming in contact with all of the other side surfaces of the first PTC element and the second PTC element exposed through the opening portion, and an insulation member for insulating the space between the outside and the first electrode plate, the second electrode plate, and the common electrode plate; a metallic heating tube in which the PTC unit is mounted; and a radiation fin provided on a side surface of the heating tube.

IPC Classes  ?

  • H05B 1/02 - Automatic switching arrangements specially adapted to heating apparatus
  • H05B 3/12 - Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
  • H05B 3/03 - Electrodes
  • H05B 3/26 - Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor mounted on insulating base
  • H05B 3/06 - Heater elements structurally combined with coupling elements or with holders
  • H05B 3/42 - Heating elements having the shape of rods or tubes non-flexible
  • B60H 1/02 - Heating, cooling or ventilating devices the heat being derived from the propulsion plant

95.

OPTICAL ACTUATOR

      
Application Number KR2016014023
Publication Number 2017/105010
Status In Force
Filing Date 2016-12-01
Publication Date 2017-06-22
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Seol, Jin Soo
  • Lee, Byung Cheol
  • Go, Jae Yong
  • Park, Byoung Chan

Abstract

An optical actuator according to the present invention comprises: an AF carrier which moves in the direction of an optical axis; an OIS carrier which moves in a direction perpendicular to the optical axis and on which the AF carrier is mounted; a housing in which the OIS carrier is accommodated; and an erecting type elastic body of which one end is connected to the OIS carrier and the other end is connected to a base of the housing.

IPC Classes  ?

  • G02B 7/09 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted for automatic focusing or varying magnification
  • G02B 27/64 - Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
  • G03B 3/10 - Power-operated focusing
  • G03B 5/00 - Adjustment of optical system relative to image or object surface other than for focusing of general interest for cameras, projectors or printers
  • H02K 11/00 - Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
  • H02K 33/02 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs
  • H04N 5/232 - Devices for controlling television cameras, e.g. remote control

96.

LINEAR OSCILLATION GENERATING DEVICE

      
Application Number KR2016011933
Publication Number 2017/078309
Status In Force
Filing Date 2016-10-21
Publication Date 2017-05-11
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Choi, Nam Jin
  • Shim, Soon Koo
  • Chong, Young Bin
  • Lee, Won Gook
  • Lee, Min Goo

Abstract

Various embodiments relating to a linear oscillation generating device have been described. According to one embodiment, a linear oscillation generating device includes: an oscillator including an annular permanent magnet having an opening penetrating in a coaxial direction; a stator including a center yoke and a coil part, the center yoke being inserted into the opening of the permanent magnet and having a protrusion extending in the inner circumferential direction of the opening of the permanent magnet, and the coil part surrounding the center yoke; and an elastic member for elastically supporting the oscillator, wherein the protrusion can be positioned inside the opening of the permanent magnet when the oscillator is stopped.

IPC Classes  ?

  • H02K 33/02 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs

97.

LINEAR VIBRATION GENERATING DEVICE

      
Application Number KR2015012710
Publication Number 2017/007085
Status In Force
Filing Date 2015-11-25
Publication Date 2017-01-12
Owner JA HWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Shim, Soon Koo
  • Chong, Young Bin
  • Choi, Chun
  • Lee, Won Gook
  • Lee, Min Goo

Abstract

Disclosed are various embodiments relating to a linear vibration generating device. The linear vibration generating device, according to one embodiment, comprises: a stator which is fixed on a bracket and comprises a center yoke which is concentrically fixed in an inner space of coil winding parts and at least one blade part which extends from the center yoke in a direction perpendicular to a driving axle; a vibrator including a magnet surrounding the outer circumference of the coil winding parts; and an elastic body disposed between the stator and the vibrator, wherein the blade part may have at least one passage part through which a coil line for electrically connecting the coil winding parts penetrates. Other various embodiments are also possible.

IPC Classes  ?

  • H02K 33/02 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs

98.

STABILIZING DEVICE FOR SHAKING OF CAMERA

      
Application Number KR2015011069
Publication Number 2016/137083
Status In Force
Filing Date 2015-10-20
Publication Date 2016-09-01
Owner JA HWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Lee, Byung Cheol
  • Kim, Young Seok
  • Park, Byung Chan
  • Kim, In Hyun
  • Ko, Jae Yong

Abstract

Disclosed is a stabilizing device for shaking of a camera. A stabilizing device for shaking of a camera, according to an embodiment of the present invention, comprises: a lower ball seat provided on a stator that has an image sensor mounted thereon; an upper ball seat provided on a mover that has a lens barrel installed thereon and performs a two-dimensional planar movement on the stator; and a ball formed from a magnetic material and rolling between the lower ball seat and upper ball seat, wherein a lower magnet and an upper magnet are attached, in correspondence with the ball, to the lower side of the lower ball seat and the upper side of the upper ball seat, respectively.

IPC Classes  ?

  • G02B 7/04 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
  • H04N 5/232 - Devices for controlling television cameras, e.g. remote control
  • G03B 5/00 - Adjustment of optical system relative to image or object surface other than for focusing of general interest for cameras, projectors or printers

99.

STABILIZING DEVICE FOR SHAKING OF CAMERA AND CAMERA LENS MODULE COMPRISING SAME

      
Application Number KR2015010891
Publication Number 2016/137081
Status In Force
Filing Date 2015-10-15
Publication Date 2016-09-01
Owner JA HWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Lee, Byung Cheol
  • Kim, Young Seok
  • Park, Byung Chan
  • Yeon, Je Seung
  • Jeong, Seung Hyeon

Abstract

Disclosed are a stabilizing device for shaking of a camera and a camera lens module comprising same. A stabilizing device for shaking of a camera, according to an embodiment of the present invention, comprises: a stator which has a coil mounted thereon; a mover which has a lens barrel installed thereon, has a magnetic body mounted thereon in correspondence with the coil, and performs a two-dimensional planar movement on the stator by means of the interaction between the coil and magnetic body; a plurality of hollow resilient bodies which connect the stator and mover and provide resilience to the planar movement of the mover with respect to the stator; and a support unit which has a ball that supports, inside each resilient body, the planar movement of the mover with respect to the stator.

IPC Classes  ?

  • G03B 5/00 - Adjustment of optical system relative to image or object surface other than for focusing of general interest for cameras, projectors or printers
  • G02B 7/09 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted for automatic focusing or varying magnification

100.

PTC HEATER

      
Application Number KR2014010219
Publication Number 2016/060314
Status In Force
Filing Date 2014-10-29
Publication Date 2016-04-21
Owner JA HWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Kim, Jong Up
  • Min, Do Sik
  • Park, Jin Su

Abstract

A PTC heater according to the present invention is characterised by comprising: a PTC unit including a PTC device that is heated by applied power, an electrode plate that applies power to the PCT device, and an insulating member for insulating the electrode plate from the outside; and a heating tube in which the PTC unit is mounted and that transmits the heat generated by the PTC unit to the outside, wherein a guide wall part that contacts the inner circumferential surface of the heating tube so as to form a mounting space for mounting the PTC unit is provided inside the heating tube.

IPC Classes  ?

  • H05B 3/20 - Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
  1     2        Next Page