Jahwa Electronics Co., Ltd.

Republic of Korea

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IPC Class
G03B 13/36 - Autofocus systems 49
H04N 5/225 - Television cameras 45
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 44
G03B 3/10 - Power-operated focusing 40
G02B 27/64 - Imaging systems using optical elements for stabilisation of the lateral and angular position of the image 33
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1.

ACTUATOR FOR CAMERA

      
Application Number 19302238
Status Pending
Filing Date 2025-08-18
First Publication Date 2026-06-11
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 an embodiment includes an OIS carrier configured to move in a direction perpendicular to an optical axis direction; an AF carrier configured to support the OIS carrier and move in the optical axis direction together with the OIS carrier; a housing configured to support the AF carrier; an OIS magnet installed on the OIS carrier; and an OIS coil installed in the housing to face the OIS magnet, wherein a height of the OIS magnet is at least twice a stroke, which is a moving distance of the AF carrier by AF driving.

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
  • G03B 13/36 - Autofocus systems
  • H04N 23/54 - Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils

2.

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

3.

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

4.

LINEAR VIBRATION GENERATING DEVICE

      
Application Number 19350190
Status Pending
Filing Date 2025-10-06
First Publication Date 2026-05-14
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Jo, Kyung Hoon
  • Kim, Seok Min
  • Chong, Young Bin
  • Choi, Nam Jin
  • Lee, Won Gook
  • Lee, Min Goo

Abstract

A horizontal linear vibration generating device. The horizontal linear vibration generating device includes: a case configured to form a mounting space therein by being coupled with a lower cover; a vibrating body configured to vibrate in a first direction within the mounting space; a fixing body including a coil surrounded by the vibrating body and a yoke around which the coil is wound; and a pair of elastic bodies configured to elastically support vibration of the vibrating body between the case and the vibrating body, in which the vibrating body may include: a frame portion to which the elastic bodies are connected; and a plurality of magnets mounted on an inner surface of the frame portion, the elastic bodies may include: a first elastic body configured to elastically support the vibration of the vibrating body from one side; and a second elastic body supports the vibration of the vibrating body.

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

5.

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

6.

ACTUATOR FOR CAMERA

      
Application Number 19272764
Status Pending
Filing Date 2025-07-17
First Publication Date 2026-03-26
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 an embodiment of the present disclosure includes a housing configured to provide an inner space; a carrier configured to move in an optical axis direction based on the housing; a magnet installed in the carrier to face a coil installed in the housing; a yoke plate installed in the housing and configured to generate an attractive force with the magnet; and a ball disposed between the housing and the carrier. In this case, a height of the yoke plate is greater than the sum of a height of the magnet and a stroke, which is a moving distance of the carrier by AF driving.

IPC Classes  ?

  • H04N 23/54 - Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
  • G03B 13/36 - Autofocus systems

7.

LINEAR VIBRATION GENERATING DEVICE

      
Application Number 18997867
Status Pending
Filing Date 2024-05-17
First Publication Date 2026-03-26
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 apparatus includes a casing coupled to a lower cover so that a mounting space is formed inside the casing, a vibration body configured to vibrate in the mounting space in a first direction, a fixed body including a coil surrounded by the vibration body and including a yoke to which the coil is wound, and a pair of elastic bodies elastically supporting vibrations of the vibration body from between the casing and the vibration body. The vibration body includes a frame part which surrounds the fixed body and to which each of the pair of elastic bodies is connected, and includes a plurality of magnets mounted on an inner surface of the frame part facing the fixed body.

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

8.

CAMERA ACTUATOR

      
Application Number 19320147
Status Pending
Filing Date 2025-09-05
First Publication Date 2026-03-26
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Park, Chang Wook
  • Song, Jae Keun

Abstract

A camera actuator, and a camera actuator having a reinforcing member for preventing a resin bleed out (RBO) phenomenon. The camera actuator may include: a first carrier; a second carrier accommodated inside the first carrier; an optical element accommodated in the second carrier, the second carrier being movable in a plane perpendicular to an optical axis of the optical element with respect to the first carrier; a plurality of balls provided between the first carrier and the second carrier; and ball rolling portions provided in the first carrier and the second carrier, in which the ball rolling portion may be configured such that a reinforcing member is inserted into the first carrier and/or the second carrier, and a recessed flat surface with which the ball comes into contact is formed in the reinforcing member.

IPC Classes  ?

9.

ACTUATOR FOR CAMERA

      
Application Number 19284593
Status Pending
Filing Date 2025-07-29
First Publication Date 2026-03-12
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 an embodiment of the present disclosure includes a carrier configured to move linearly; a housing configured to support linear movement of the carrier, a plurality of rails provided on at least one of the carrier and the housing; and a plurality of balls arranged on each of the plurality of rails, and in this case, at least one more ball is arranged on a first rail among the plurality of rails than the number of balls arranged on the other rails.

IPC Classes  ?

  • G02B 7/182 - Mountings, adjusting means, or light-tight connections, for optical elements for prismsMountings, adjusting means, or light-tight connections, for optical elements for mirrors for mirrors
  • G02B 27/64 - Imaging systems using optical elements for stabilisation of the lateral and angular position of the image

10.

ACTUATOR FOR REFLECTOMETER

      
Application Number 19388073
Status Pending
Filing Date 2025-11-13
First Publication Date 2026-03-12
Owner JAHWA electronics Co., Ltd. (Republic of Korea)
Inventor
  • Go, Jae Yong
  • Park, Chul Soon

Abstract

The embodiment disclosed herein is an actuator for reflectometer, the actuator comprising: a carrier attached with a reflectometer and equipped with a first magnet; a middle guide to support the rotation of the carrier about a first direction; at least one first ball positioned between the carrier and the middle guide; a second magnet equipped to the middle guide; a pulling magnet equipped to the carrier and facing a first side of the second magnet; and a first coil to impart a driving force to the first magnet. A magnetic pole boundary of the pulling magnet faces a magnetic pole boundary of the second magnet, and a N and S poles of the pulling magnet are arranged to be opposite to the N and S poles of the first side of the second magnet.

IPC Classes  ?

  • G02B 27/64 - Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
  • G02B 7/182 - Mountings, adjusting means, or light-tight connections, for optical elements for prismsMountings, adjusting means, or light-tight connections, for optical elements for mirrors for mirrors
  • 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

11.

ZOOMING ACTUATOR HAVING DUAL STRUCTURE

      
Application Number 19391065
Status Pending
Filing Date 2025-11-17
First Publication Date 2026-03-12
Owner JAHWA electronics Co., Ltd. (Republic of Korea)
Inventor
  • Park, Chul Soon
  • Yeon, Je Seung
  • Lee, Jae Seon

Abstract

A dual set-up zoom actuator includes a first carrier having a first lens and movable along an optical axis, a second carrier having a second lens and being capable of moving anterior or posterior to the first carrier along the optical axis, a housing enclosing the first and second carriers, a first coil unit equipped to the housing and having n first coils disposed anterior or posterior along the optical axis, a second coil unit equipped to the housing at a location different than the first coil unit and having n+1 second coils disposed anterior or posterior along the optical axis, a first magnet having n+1 magnetic poles facing the first coil unit and mounted on the first carrier, and a second magnet having n magnetic poles facing the second coil unit and mounted on the second carrier.

IPC Classes  ?

12.

APPARATUS FOR DRIVING IRIS

      
Application Number 19259237
Status Pending
Filing Date 2025-07-03
First Publication Date 2026-03-12
Owner JAHWA electronics Co., Ltd. (Republic of Korea)
Inventor
  • Kim, In Soo
  • Kim, Hee Seung
  • Jeon, Ki Hoon

Abstract

An apparatus for driving an iris according to an embodiment includes a rotator configured to rotate based on a stator, a plurality of blades connected to the stator and the rotator and configured to rotate by the rotation of the rotator, first rails respectively provided on the stator and the rotator to face each other and having an arc shape, the first rails having a vertical cross section of a V shape, a plurality of first balls arranged between the first rails, and a guiding unit arranged between the stator and the rotator in an area where the first ball is not arranged.

IPC Classes  ?

  • G03B 9/06 - Two or more co-operating pivoted blades e.g. iris type

13.

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

14.

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

15.

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

16.

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

17.

CAMERA MODULE

      
Application Number 19101326
Status Pending
Filing Date 2023-08-02
First Publication Date 2026-02-12
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 coupled to the frame to form a space for accommodating the lens, wherein the stopper may further comprise a second portion directly coupled to the first portion.

IPC Classes  ?

  • G02B 7/02 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses

18.

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

19.

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

20.

ACTUATOR FOR CAMERA

      
Application Number 19256252
Status Pending
Filing Date 2025-07-01
First Publication Date 2026-01-08
Owner JAHWA electronics Co., Ltd. (Republic of Korea)
Inventor
  • Lee, Sang Hwa
  • Kim, Hong Seong
  • Park, Byeong Jae
  • Yun, Tae Yeon

Abstract

An actuator for a camera according to an embodiment includes a carrier having a first magnetic body and performing a linear movement, a housing configured to support the linear movement of the carrier, and a second magnetic body provided in the housing to face the first magnetic body and configured to generate an attractive force with the first magnetic body. The second magnetic body includes a first part configured to face the first magnetic body when the carrier is located at an upper portion or a lower portion based on a movement direction of the carrier, and a second part which is a middle portion of the second magnetic body based on the movement direction of the carrier, and a magnetic force between the first magnetic body and the first part is smaller than a magnetic force between the first magnetic body and the second part.

IPC Classes  ?

  • H01F 7/16 - Rectilinearly-movable armatures
  • 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
  • H01F 7/08 - ElectromagnetsActuators including electromagnets with armatures

21.

ACTUATOR FOR CAMERA

      
Application Number 19098072
Status Pending
Filing Date 2025-04-02
First Publication Date 2025-12-18
Owner JAHWA electronics Co., Ltd. (Republic of Korea)
Inventor
  • Hong, In Cheol
  • Park, Chul Soon
  • Go, Jae Yong

Abstract

An actuator for a camera according to an embodiment includes a plurality of moving bodies rotating in different directions, a magnet installed on each of the plurality of moving bodies, and a back yoke provided at a rear side of at least one of the magnets respectively installed on the plurality of moving bodies. The back yoke includes a cover that forms a gap with a side surface of a magnet provided at a front side thereof and covers the side surface.

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 27/64 - Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
  • H01F 7/08 - ElectromagnetsActuators including electromagnets with armatures

22.

SENSOR-DRIVING ACTUATOR

      
Application Number 19286355
Status Pending
Filing Date 2025-07-31
First Publication Date 2025-11-20
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Kim, Hee Seung
  • Jeon, Ki Hoon
  • Han, Min Seok

Abstract

A sensor-driving actuator includes: 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 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
  • 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 23/57 - Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
  • H04N 23/67 - Focus control based on electronic image sensor signals
  • H05K 1/02 - Printed circuits Details
  • H05K 1/14 - Structural association of two or more printed circuits

23.

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

24.

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

25.

ACTUATOR FOR CAMERA

      
Application Number 18870761
Status Pending
Filing Date 2023-12-07
First Publication Date 2025-10-23
Owner JAHWA electronics Co., Ltd. (Republic of Korea)
Inventor Park, Chang Wook

Abstract

An actuator for a camera includes a carrier on which a magnet is installed, a base configured to accommodate the carrier, a coil configured to face the magnet, and a back yoke provided at a rear of the magnet and installed on the carrier. The back yoke includes a body plate provided at the rear of the magnet, and a cover configured to protrude from the body plate toward the coil to cover a side surface of the magnet while forming a gap with the side surface of the magnet.

IPC Classes  ?

  • G03B 13/36 - Autofocus systems
  • G02B 27/64 - Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
  • 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

26.

ACTUATOR FOR REFLECTOR

      
Application Number 19098049
Status Pending
Filing Date 2025-04-02
First Publication Date 2025-10-09
Owner JAHWA electronics Co., Ltd. (Republic of Korea)
Inventor Hong, In Cheol

Abstract

An actuator for a reflector according to an embodiment includes a carrier at which a reflector is installed and configured to rotate in a first direction, a middle guide at which a second magnet is installed and configured to support rotation of the carrier, a first ball disposed between the carrier and the middle guide, a first magnet installed on the carrier; and a first coil configured to provide a driving force to the first magnet. Neighboring magnetic poles of the first and second magnets are made of the same magnetic pole so that a repulsive force acts between the first and second magnets.

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 7/182 - Mountings, adjusting means, or light-tight connections, for optical elements for prismsMountings, adjusting means, or light-tight connections, for optical elements for mirrors for mirrors
  • H04N 23/68 - Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations

27.

CAMERA ACTUATOR

      
Application Number 19066245
Status Pending
Filing Date 2025-02-28
First Publication Date 2025-06-19
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Kim, Dok Hyun
  • Lee, Kyoung Yong
  • Lee, Byung Cheol

Abstract

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  ?

  • H04N 23/68 - Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations

28.

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

29.

VARIABLE CAPACITY STACK-TYPE BRAKE RESISTOR

      
Application Number 18833988
Status Pending
Filing Date 2023-11-10
First Publication Date 2025-05-15
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 variable capacity stack-type brake resistor including at least one resistance module having one or more heating elements therein, one 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 module, and an outlet port connected to a fluid outlet on the other side of the resistance module, wherein the resistance module is provided in a box shape with flat upper and lower surfaces, and the control module is assembled in a stacked manner on the upper surface of the resistance module. According to the brake resistor, total capacity (capacity to consume energy) may be changed as desired by adjusting the number of resistance modules assembled in a stacked manner as needed, thereby satisfying the required specifications and responding quickly to requests for specification changes without major replacement or changes to production equipment.

IPC Classes  ?

  • B60L 7/22 - Dynamic electric resistor braking, combined with dynamic electric regenerative braking
  • H01C 1/082 - Cooling, heating or ventilating arrangements using forced fluid flow
  • H01C 10/16 - Adjustable resistors including plural resistive elements
  • H01C 13/02 - Structural combinations of resistors
  • H02P 3/22 - Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter for stopping or slowing an AC motor by short-circuit or resistive braking

30.

Actuator for reflectometer

      
Application Number 18611748
Grant Number 12529903
Status In Force
Filing Date 2024-03-21
First Publication Date 2025-04-10
Grant Date 2026-01-20
Owner JAHWA electronics Co., Ltd. (Republic of Korea)
Inventor
  • Go, Jae Yong
  • Park, Chul Soon

Abstract

The embodiment disclosed herein is an actuator for reflectometer, the actuator comprising a carrier attached with a reflectometer and equipped with a first magnet; a middle guide to support the rotation of the carrier about a first direction; at least one first ball positioned between the carrier and the middle guide; a second magnet equipped to the middle guide; a pulling magnet equipped to the carrier and facing the second magnet; and a first coil to impart a driving force to the first magnet; wherein the pulling magnet comprises a counterpart magnetic pole having an opposite polarity to a facing magnetic pole of the second magnet, with the facing magnetic pole being positioned towards the pulling magnet.

IPC Classes  ?

  • G02B 27/64 - Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
  • G02B 7/182 - Mountings, adjusting means, or light-tight connections, for optical elements for prismsMountings, adjusting means, or light-tight connections, for optical elements for mirrors for mirrors
  • 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

31.

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

32.

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

33.

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  ?

34.

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

35.

Zoom driving actuator and position control method for zoom driving

      
Application Number 18915354
Grant Number 12596292
Status In Force
Filing Date 2024-10-15
First Publication Date 2025-01-30
Grant Date 2026-04-07
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

Disclosed herein is an actuator for driving zoom lenses, where the zoom actuator comprises a first carrier having attached thereto a first lens and movable along an optical axis; a second carrier having attached thereto a second lens and being capable of moving along the optical axis and running anterior or posterior to the first carrier; a housing enclosing the first and second carriers; a first magnet attached to the first carrier; a second magnet attached to the second carrier; a first coil unit mounted to the housing and facing the first magnet; a second coil unit mounted to the housing and facing the second magnet; and a plurality of balls; with at least one of said plurality of balls positioned between the housing and the first carrier; and at least one of said plurality of balls positioned between the housing and the second carrier.

IPC Classes  ?

36.

VIBRATION MOTOR ASSEMBLY OF SEAT

      
Application Number 18821228
Status Pending
Filing Date 2024-08-30
First Publication Date 2024-12-19
Owner
  • Hyundai Motor Company (Republic of Korea)
  • Kia Corporation (Republic of Korea)
  • Hyundai Transys Inc. (Republic of Korea)
  • Jahwa Electronics Co., Ltd. (Republic of Korea)
Inventor
  • Lee, Sang-Hark
  • Lee, Sang-Soo
  • Jung, Ho-Suk
  • You, Jung-Sang
  • Lim, Deok-Soo
  • Park, Sang-Do
  • Jung, Chan-Ho
  • Ryu, Jong-Su
  • Woo, Sang-In
  • Kim, Beom-Sun
  • Byeon, Sang-Gyu
  • Sung, Hyun-Gyu
  • Song, Hyun-Seok
  • Yang, Tae-Hyoung

Abstract

An embodiment vibration motor assembly of a seat includes a vibration motor and an upper housing disposed around the vibration motor to hold and fix the vibration motor, the upper housing configured to be fixed to a pad of the seat, and the upper housing including a holding part disposed at a circumference of a front surface of the upper housing to hold a circumference of the vibration motor and a fixing part protruding from a rear surface of the upper housing to cover and fix a rear surface of the vibration motor.

IPC Classes  ?

  • B60N 2/90 - Details or parts not otherwise provided for

37.

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

38.

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

39.

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

40.

ACTUATOR FOR REFLECTOR

      
Application Number 18599231
Status Pending
Filing Date 2024-03-08
First Publication Date 2024-11-14
Owner JAHWA electronics Co., Ltd. (Republic of Korea)
Inventor Go, Jae Yong

Abstract

An actuator for a reflector. The actuator includes: a carrier at which a reflector is installed; first and second magnets installed at the carrier and placed in directions perpendicular to each other, a ball guide configured to support rotational movement of the carrier in a first direction; a first ball placed between the carrier and the ball guide; a housing configured to support rotational movement of the ball guide in a second direction perpendicular to the first direction; and a second ball placed between the ball guide and the housing.

IPC Classes  ?

  • G02B 7/182 - Mountings, adjusting means, or light-tight connections, for optical elements for prismsMountings, adjusting means, or light-tight connections, for optical elements for mirrors for mirrors
  • G02B 13/00 - Optical objectives specially designed for the purposes specified below
  • H01F 7/14 - Pivoting armatures

41.

ACTUATOR FOR CAMERA

      
Application Number 18294624
Status Pending
Filing Date 2023-02-27
First Publication Date 2024-11-14
Owner JAHWA electronics Co., Ltd. (Republic of Korea)
Inventor
  • Park, Chul Soon
  • Yeon, Je Seung

Abstract

An actuator for a camera includes a carrier equipped with at least one lens and configured to move in an optical axis direction, a magnet provided in the carrier, a housing configured to accommodate the carrier, a plurality of coils arranged along an optical axis to face the magnet, and a plurality of detection sensors configured to sense a position of the magnet and disposed to be spaced apart from each other based on the optical axis direction. When the carrier is located at a reference position, the plurality of detection sensors all face the same one magnetic pole among magnetic poles of the magnet.

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

42.

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

43.

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

44.

HYBRID ACTUATOR FOR ZOOM DRIVING

      
Application Number 18294615
Status Pending
Filing Date 2022-07-04
First Publication Date 2024-10-17
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 drive actuator includes a first carrier having a first lens attached thereto, a second carrier located anterior or posterior to the first carrier along the optical axis and having a second lens attached thereto, a housing enclosing the first and second carriers, a first driving unit capable of moving the first carrier along the optical axis, a driving magnet attached to the second carrier, a driving coil facing the driving magnet and capable of providing driving force to move the second carrier along the optical axis, a Hall sensor capable of detecting the position of the second carrier, and a first circuit board equipped with the driving coil and the Hall sensor.

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

45.

Actuator for generating vibration

      
Application Number 18739267
Grant Number 12278544
Status In Force
Filing Date 2024-06-10
First Publication Date 2024-10-03
Grant Date 2025-04-15
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, including a middle supporter to form a first space; a shaft provided in the middle supporter and exposed in the first space; a circuit board having a driving coil and a hollow formed through the middle supporter; a housing having an inner space formed to accommodate the middle supporter and the circuit board so that the circuit board is fixed thereto; a first yoke plate having a first magnet installed to face an upper surface of the driving coil and fixedly coupled to an upper portion of the middle supporter; a second yoke plate having a second magnet installed to face a lower surface of the driving coil and fixedly coupled to a lower portion of the middle supporter; and a weight installed to at least one of the first and second yoke plates.

IPC Classes  ?

  • H02K 7/06 - Means for converting reciprocating motion into rotary motion or vice versa
  • H02K 3/26 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors consisting of printed conductors
  • 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 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 7/08 - Structural association with bearings

46.

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

47.

ACTUATOR FOR CAMERA

      
Application Number 18566857
Status Pending
Filing Date 2022-06-23
First Publication Date 2024-08-15
Owner JAHWA electronics Co., Ltd. (Republic of Korea)
Inventor
  • Go, Jae Yong
  • Lee, Kyoung Yong

Abstract

An actuator for cameras includes a carrier having a lens attached thereto and movable along an optical axis, a housing enclosing the carrier, at least one magnet mounted on the carrier and having k magnetic poles where k is a natural number equal to or larger than one, coils facing the magnet and disposed anterior or posterior along the optical axis, a Hall sensor assembly having m Hall sensors where m is a natural number equal to or larger than three, disposed along the optical axis, each of the m Hall sensors separated from one another by a first spacing, and an operational driver controlling the current applied to the coils in response to the signals from the Hall sensor assembly, in which the length of the magnetic pole is not less than the first spacing but not more than twice the first spacing.

IPC Classes  ?

48.

Vibration motor

      
Application Number 18568807
Grant Number 12191748
Status In Force
Filing Date 2022-08-05
First Publication Date 2024-08-15
Grant Date 2025-01-07
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. The vibration motor 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.

IPC Classes  ?

  • H02K 7/06 - Means for converting reciprocating motion into rotary motion or vice versa
  • H02K 3/26 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors consisting of printed conductors
  • 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 7/08 - Structural association with bearings
  • H02K 21/24 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets axially facing the armatures, e.g. hub-type cycle dynamos

49.

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

50.

ACTUATOR FOR CAMERA

      
Application Number 18317187
Status Pending
Filing Date 2023-05-15
First Publication Date 2024-07-11
Owner JAHWA electronics Co., Ltd. (Republic of Korea)
Inventor
  • Park, Chul Soon
  • Cho, Hyeon Ik

Abstract

The embodiment disclosed herein is an actuator for camera comprising a lens module emitting light towards an image sensor; a housing enclosing the lens module; and a patterned member disposed on the internal surface of the housing wherein the internal surface is the one between the lens module and the image sensor. The patterned member comprises protrusions arranged in repetition along an optical axis, in which each protrusion extends lengthwise along a direction perpendicular to the optical axis.

IPC Classes  ?

  • G02B 7/02 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses
  • G03B 17/17 - Bodies with reflectors arranged in beam forming the photographic image, e.g. for reducing dimensions of camera
  • H02N 11/00 - Generators or motors not provided for elsewhereAlleged perpetua mobilia obtained by electric or magnetic means

51.

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

52.

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

53.

Sensor-driving actuator

      
Application Number 18277226
Grant Number 12407929
Status In Force
Filing Date 2022-07-20
First Publication Date 2024-05-02
Grant Date 2025-09-02
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Kim, Hee Seung
  • Jeon, Ki Hoon
  • Han, Min Seok

Abstract

A sensor-driving actuator is provided, which includes 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 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
  • 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 23/57 - Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
  • H04N 23/67 - Focus control based on electronic image sensor signals
  • H05K 1/02 - Printed circuits Details
  • H05K 1/14 - Structural association of two or more printed circuits

54.

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

55.

Camera actuator and folded zoom camera module comprising same

      
Application Number 18530902
Grant Number 12510806
Status In Force
Filing Date 2023-12-06
First Publication Date 2024-04-18
Grant Date 2025-12-30
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Kim, Hee Seoung
  • Lee, Kyu Min

Abstract

A camera actuator 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.

IPC Classes  ?

  • G03B 13/36 - Autofocus systems
  • G02B 13/00 - Optical objectives specially designed for the purposes specified below
  • G02B 27/64 - Imaging systems using optical elements for stabilisation of the lateral and angular position of the image

56.

Zooming actuator having dual structure

      
Application Number 18283533
Grant Number 12585168
Status In Force
Filing Date 2022-03-24
First Publication Date 2024-03-28
Grant Date 2026-03-24
Owner JAHWA electronics Co., Ltd. (Republic of Korea)
Inventor
  • Park, Chul Soon
  • Yeon, Je Seung
  • Lee, Jae Seon

Abstract

A dual set-up zoom actuator includes a first carrier having a first lens and movable along an optical axis, a second carrier having a second lens and being capable of moving anterior or posterior to the first carrier along the optical axis, a housing enclosing the first and second carriers, a first coil unit equipped to the housing and having n, which is a natural number not less than two, first coils disposed anterior or posterior along the optical axis, a second coil unit equipped to the housing at a location different than the first coil unit and having n+1 second coils disposed anterior or posterior along the optical axis, a first magnet having n+1 magnetic poles facing the first coil unit and mounted on the first carrier, and a second magnet having n magnetic poles facing the second coil unit and mounted on the second carrier.

IPC Classes  ?

57.

Actuator for driving reflector

      
Application Number 18515316
Grant Number 12216330
Status In Force
Filing Date 2023-11-21
First Publication Date 2024-03-14
Grant Date 2025-02-04
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Park, Chul Soon
  • Kang, In Soo
  • Yeon, Je Seung
  • Yoon, Soo Young
  • Lee, Jaeseon
  • Cho, Hyeonik

Abstract

An actuator for driving a reflector includes a movement frame including a reflector configured to reflect or refract light to a lens and a first magnet, a first support frame configured to provide a space of the movement frame to move, a first drive coil configured to generate an electromagnetic force in the first magnet to rotationally move the movement frame in a first direction based on the first support frame, a first rotation guide between the movement frame and the first support frame and having an arc shape so that the movement frame rotates in the first direction, and a first ball inside the first rotation guide, in which a center of curvature of the first rotation guide corresponds to a center of rotation of the reflector.

IPC Classes  ?

  • G02B 7/182 - Mountings, adjusting means, or light-tight connections, for optical elements for prismsMountings, adjusting means, or light-tight connections, for optical elements for mirrors for mirrors
  • G02B 7/18 - Mountings, adjusting means, or light-tight connections, for optical elements for prismsMountings, adjusting means, or light-tight connections, for optical elements for mirrors

58.

CAMERA ACTUATOR

      
Application Number 18039747
Status Pending
Filing Date 2022-04-20
First Publication Date 2024-02-01
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Kim, Dok Hyun
  • Lee, Kyoung Yong
  • Lee, Byung Cheol

Abstract

A camera actuator includes: 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  ?

  • H04N 23/68 - Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations

59.

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

60.

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

61.

Camera actuator and folded zoom camera module including same

      
Application Number 18246715
Grant Number 12422735
Status In Force
Filing Date 2021-08-24
First Publication Date 2023-11-16
Grant Date 2025-09-23
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Shin, Doo Sik
  • Kim, In Soo
  • Kim, Hee Seung
  • Lee, Kyu Min

Abstract

A camera actuator for realizing auto focusing control and zoom functions and a folded zoom camera module including the same. The camera actuator includes a housing, a driving unit being mounted in the housing and having a vibration shaft and a vibration generator, a movable part mounted so as to correspond to the driving unit and configured to be moved by a driving force, a friction moving part configured to be moved in a first direction on the vibration shaft, and a connecting part mutually connecting the friction moving part and the movable part. The connecting part includes a protrusion or a recess formed on a side surface portion of the friction moving part facing the movable part, and includes a recess or a protrusion formed on a side surface portion of the movable part so as to be engaged 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 23/51 - Housings
  • H04N 23/54 - Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils

62.

Zoom drive actuator

      
Application Number 18248929
Grant Number 12619051
Status In Force
Filing Date 2021-09-09
First Publication Date 2023-10-26
Grant Date 2026-05-05
Owner JAHWA electronics Co., Ltd. (Republic of Korea)
Inventor
  • Kim, Hee Seung
  • Lee, Kyu Min

Abstract

Provided herein is a zoom drive actuator comprising a first carrier movable along an optical axis, a second carrier capable of moving anterior or posterior to the first carrier along the optical axis, a housing enclosing the first and second carriers, a first coil unit; and a second coil unit, in which the first carrier comprises a first mount equipped with a first lens assembly, a first support to which a first magnet is attached, and a first guide placed on the side of the first mount opposite to the first support, in which the second carrier comprises a second mount equipped with a second lens assembly, a second support to which a second magnet is attached, and a second guide placed on the side of the second mount opposite to the second support and in which the first coil unit faces the first magnet and the second coil unit faces the second magnet and where the first carrier comprises a first space forming a corridor to allow the second guide to make a passage through it and the second carrier comprises a second space forming a corridor to allow the first guide to make a passage through it.

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 27/64 - Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
  • G03B 5/04 - Vertical adjustment of lensRising fronts

63.

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

64.

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

65.

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

66.

Zoom driving actuator and position control method for zoom driving

      
Application Number 18041739
Grant Number 12242168
Status In Force
Filing Date 2021-09-09
First Publication Date 2023-09-21
Grant Date 2025-03-04
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

Disclosed herein is an actuator for driving zoom lenses, where the zoom actuator comprises a first carrier having attached thereto a first lens and movable along an optical axis; a second carrier having attached thereto a second lens and being capable of moving along the optical axis and running anterior or posterior to the first carrier; a housing enclosing the first and second carriers; a first magnet attached to the first carrier; a second magnet attached to the second carrier; a first coil unit mounted to the housing and facing the first magnet; a second coil unit mounted to the housing and facing the second magnet; and a plurality of balls; with at least one of said plurality of balls positioned between the housing and the first carrier; and at least one of said plurality of balls positioned between the housing and the second carrier.

IPC Classes  ?

67.

Camera actuator

      
Application Number 18002022
Grant Number 12498618
Status In Force
Filing Date 2021-09-24
First Publication Date 2023-08-10
Grant Date 2025-12-16
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; and AF carrier which is mounted in the housing and moves in an optical-axis direction; an OIS carrier 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 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 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
  • H04N 23/68 - Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations

68.

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

69.

Vibration motor assembly of seat

      
Application Number 18052968
Grant Number 12103451
Status In Force
Filing Date 2022-11-07
First Publication Date 2023-07-06
Grant Date 2024-10-01
Owner
  • Hyundai Motor Company (Republic of Korea)
  • Kia Corporation (Republic of Korea)
  • Hyundai Transys Inc. (Republic of Korea)
  • Jahwa Electronics Co., Ltd. (Republic of Korea)
Inventor
  • Lee, Sang-Hark
  • Park, Sang-Do
  • Song, Hyun-Seok
  • Jung, Chan-Ho
  • Sung, Hyun-Gyu
  • Ryu, Jong-Su
  • Woo, Sang-In
  • Jung, Ho-Suk
  • Yang, Tae-Hyoung
  • Lim, Deok-Soo
  • Lee, Sang-Soo
  • You, Jung-Sang
  • Byeon, Sang-Gyu
  • Kim, Beom-Sun

Abstract

An embodiment vibration motor assembly of a seat includes a vibration motor and an upper housing disposed around the vibration motor to hold and fix the vibration motor, the upper housing configured to be fixed to a pad of the seat, and the upper housing including a holding part disposed at a circumference of a front surface of the upper housing to hold a circumference of the vibration motor and a fixing part protruding from a rear surface of the upper housing to cover and fix a rear surface of the vibration motor.

IPC Classes  ?

  • B60N 2/00 - Seats specially adapted for vehiclesArrangement or mounting of seats in vehicles
  • A61H 23/00 - Percussion or vibration massage, e.g. using supersonic vibrationSuction-vibration massageMassage with moving diaphragms
  • B60N 2/90 - Details or parts not otherwise provided for

70.

MASSAGE DEVICE

      
Application Number 17969452
Status Pending
Filing Date 2022-10-19
First Publication Date 2023-06-29
Owner
  • Hyundai Motor Company (Republic of Korea)
  • Kia Corporation (Republic of Korea)
  • JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
  • Hyundai Transys Inc. (Republic of Korea)
Inventor
  • Lee, Sang Hark
  • Park, Sang Do
  • Lim, Deok Soo
  • You, Jung Sang
  • Jung, Ho Suk
  • Jung, Chan Ho
  • Lee, Sang Soo
  • Ryu, Jong Soo
  • Byeon, Sang Gyu
  • Sung, Hyun Gyu
  • Song, Hyun Seok
  • Kim, Beom Sun

Abstract

Proposed is a massage device which can be installed on a seat. The massage device includes a striking unit, a driving unit providing a driving force for driving the striking unit, and an operation unit configured to convert a rotation force provided by the driving unit into a linear motion to linearly move the striking unit.

IPC Classes  ?

  • A61H 15/00 - Massage by means of rollers, balls, e.g. inflatable, chains, or roller chains

71.

Actuator for camera and camera module including the same

      
Application Number 17870278
Grant Number 11740539
Status In Force
Filing Date 2022-07-21
First Publication Date 2023-06-22
Grant Date 2023-08-29
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Kim, In Soo
  • Park, Chang Wook

Abstract

An actuator for a camera includes a first carrier having a guiding rail formed to extend in an optical axis direction and provided at an outer side thereof, the first carrier moves in the optical axis direction; a second carrier moves in a direction perpendicular to an optical axis and accommodated at an inner side of the first carrier; a housing accommodates the first carrier; and a ball between the guiding rail and the housing, and a first interval between a first sector, which is an inner side of the first carrier where the guiding rail is provided, and an outer side of the second carrier is greater than a second interval between a second sector, which is a portion where the guiding rail is not provided in the inner side of the first carrier where the first sector is provided, and the outer side of the second carrier.

IPC Classes  ?

  • 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
  • G02B 7/08 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted to co-operate with a remote control mechanism

72.

MASSAGE DEVICE FOR LEGREST OF VEHICLE SEAT

      
Application Number 17983842
Status Pending
Filing Date 2022-11-09
First Publication Date 2023-05-18
Owner
  • Hyundai Motor Company (Republic of Korea)
  • Kia Corporation (Republic of Korea)
  • Jahwa Electronics CO., LTD. (Republic of Korea)
  • Hyundai Transys Inc. (Republic of Korea)
Inventor
  • Lee, Sang Hark
  • Park, Sang Do
  • Lim, Deok Soo
  • You, Jung Sang
  • Jung, Ho Suk
  • Jung, Chan Ho
  • Lee, Sang Soo
  • Sung, Hyun Gyu
  • Byeon, Sang Gyu
  • Song, Hyun Seok
  • Kim, Beom Sun

Abstract

Disclosed is a massage device for a legrest of a vehicle seat in which a massage module capable of massaging the calves of a passenger by striking the same is installed so as to massage the calves of the passenger, thereby improving blood flow to the calves and significantly reducing the fatigue of the passenger.

IPC Classes  ?

  • A61H 23/02 - Percussion or vibration massage, e.g. using supersonic vibrationSuction-vibration massageMassage with moving diaphragms with electric or magnetic drive

73.

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

74.

Horizontal linear-vibration generating apparatus

      
Application Number 17790436
Grant Number 12334791
Status In Force
Filing Date 2020-12-30
First Publication Date 2023-04-13
Grant Date 2025-06-17
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 that includes: a case coupled to a bracket so as to provide mounting space therein; a stator mounted in the mounting space and including a coil-yoke unit electrically connected to a circuit substrate on the bracket; a vibrator having magnets corresponding to the coil-yoke unit and weighted bodies configured to amplify vibration and vibrating in a first direction with respect to the stator in the mounting space; and first and second springs correspondingly provided between the case and the vibrator and elastically supporting a shaking motion of the vibrator in the first direction with respect to the stator in the mounting space, at opposite sides of the vibrator, where the first spring and the second spring are integrally provided with first and second spring feet, respectively, for mounting the vibrator.

IPC Classes  ?

  • H02K 33/06 - 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 wherein the frequency of operation is determined by the frequency of uninterrupted AC energisation with polarised armatures

75.

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

76.

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

77.

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

78.

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

79.

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

80.

Actuator for camera

      
Application Number 17816309
Grant Number 12413862
Status In Force
Filing Date 2022-07-29
First Publication Date 2023-02-02
Grant Date 2025-09-09
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 an actuator for a camera, including an OIS carrier, in which a lens module or an image sensor is mounted, and moving the lens module or image sensor in at least one of a first direction perpendicular to an optical axis direction and a second direction perpendicular to the first direction; an AF carrier for accommodating the OIS carrier and moving the OIS carrier in the optical axis direction; and a housing in which the AF carrier is accommodated, wherein the AF carrier has an opening such that the OIS carrier faces the housing, and wherein the OIS carrier has an auxiliary stopper protruding so as to be able to contact the housing through the opening.

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
  • G02B 7/08 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted to co-operate with a remote control mechanism
  • G02B 27/64 - Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
  • 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

81.

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

82.

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

83.

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

84.

Actuator for generating vibration

      
Application Number 17783476
Grant Number 12040684
Status In Force
Filing Date 2021-02-01
First Publication Date 2023-01-19
Grant Date 2024-07-16
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, including a shaft; a middle supporter having a fitting portion fitted into an upper portion of the shaft and a support portion below the fitting portion to form a first space where a lower portion of the shaft is exposed; a circuit board having a driving coil and a hollow formed through the middle supporter; a housing having an inner space that accommodates the middle supporter and the circuit board so the circuit board is fixed thereto; a first yoke plate having a first magnet installed to face an upper surface of the driving coil and coupled to an upper portion of the middle supporter; a second yoke plate having a second magnet installed to face a lower surface of the driving coil and coupled to a lower portion of the middle supporter; and a weight installed to at least one of the yoke plates.

IPC Classes  ?

  • H02K 7/06 - Means for converting reciprocating motion into rotary motion or vice versa
  • H02K 3/26 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors consisting of printed conductors
  • 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 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 7/08 - Structural association with bearings

85.

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

86.

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

87.

Actuator for reflector having moving frame with reflector and camera module including the same

      
Application Number 17775020
Grant Number 12619052
Status In Force
Filing Date 2021-04-08
First Publication Date 2022-12-08
Grant Date 2026-05-05
Owner JAHWA electronics Co., Ltd. (Republic of Korea)
Inventor
  • Park, Chul Soon
  • Kang, In Su
  • Cho, Hyeon Ik
  • Lee, Jae Seon
  • Yeon, Je Seung

Abstract

An actuator for a reflector according to an embodiment of the present disclosure includes a moving frame having a reflector configured to reflect light to a lens, and a magnet, a base frame configured to provide a moving space for the moving frame, a driving coil configured to generate a magnetic force at the magnet so that the moving frame rotates based on the base frame, a guide rail formed at any one of the moving frame and base frame and having a rounded shape, a holder provided to any one of the moving frame and the base frame not provided with the guide rail, provided in a direction facing the guide rail, and having a groove shape; and a ball arranged between the guide rail and the holder.

IPC Classes  ?

  • G02B 7/182 - Mountings, adjusting means, or light-tight connections, for optical elements for prismsMountings, adjusting means, or light-tight connections, for optical elements for mirrors for mirrors
  • 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

88.

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

89.

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

90.

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

91.

Actuator for driving zoom

      
Application Number 17693436
Grant Number 12566310
Status In Force
Filing Date 2022-03-14
First Publication Date 2022-10-06
Grant Date 2026-03-03
Owner JAHWA ELECTRONICS CO., LTD. (Republic of Korea)
Inventor
  • Kim, Hee Seoung
  • Lee, Kyu Min

Abstract

An actuator for driving zoom includes a first carrier, wherein the first carrier includes a first mounter and a first lens assembly is mounted on the first mounter, a first supporting part provided on a first side of the first mounter and extending in a first direction, and a first guider provided on a second side of the first mounter and extending in the first direction. A second carrier includes a second mounter, wherein a second lens assembly is mounted on the second mounter, a second supporting part provided on a first side of the second mounter and extending in a second direction opposite to the first direction, and a second guider provided on a second side of the second mounter and extending in the second direction. A first passage provided between the first mounter and the first supporting part and the second guider is inserted into the first passage.

IPC Classes  ?

  • G02B 7/105 - 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 with movable lens means specially adapted for focusing at close distances
  • G02B 7/02 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses

92.

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

93.

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

94.

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

95.

Actuator for optical image stabilization with reflector

      
Application Number 17194521
Grant Number 11543675
Status In Force
Filing Date 2021-03-08
First Publication Date 2022-07-21
Grant Date 2023-01-03
Owner JAHWA electronics Co., Ltd. (Republic of Korea)
Inventor
  • Park, Chul Soon
  • Yeon, Je Seung
  • Kang, In Su
  • Cho, Hyeonik

Abstract

An actuator for a reflector may include a carrier having a first groove rail at the rear, a first magnet above the carrier, a middle guide having a first guide rail to face the groove rail and having a second groove rail of a track shape at the rear, a first ball between the first groove rail and the first guide rail, a second magnet at the rear of the middle guide, a base having a second guide rail to face the second groove rail and the middle guide, a second ball between the second groove rail and the second guide rail, a circuit board with a first coil and a second coil, a pulling yoke at the front of the middle guide, and a pulling magnet at the rear of the carrier to face the pulling yoke and to generate an attractive force to the pulling yoke.

IPC Classes  ?

  • G02B 27/64 - Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
  • G02B 7/182 - Mountings, adjusting means, or light-tight connections, for optical elements for prismsMountings, adjusting means, or light-tight connections, for optical elements for mirrors for mirrors
  • 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

96.

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

97.

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

98.

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

99.

Damper and actuator for camera including same

      
Application Number 17435454
Grant Number 11630322
Status In Force
Filing Date 2020-07-09
First Publication Date 2022-05-26
Grant Date 2023-04-18
Owner JAHWA electronics Co., Ltd. (Republic of Korea)
Inventor Kim, Hee Seung

Abstract

An actuator for a camera according to an embodiment includes a base having an inner space formed therein, a carrier provided inside the base and configured to move 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 to the carrier or the base and configured to have a shape extending in two or more directions among the optical axis direction, the first direction and the second direction.

IPC Classes  ?

  • G02B 27/64 - Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
  • 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
  • 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
  • H04N 23/68 - Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations

100.

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
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