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.
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.
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.
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
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.
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
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.
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.
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 17/17 - 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
7.
ACTUATOR FOR CAMERA AND INCLUDING TILT SUPPRESSING STRUCTURE
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.
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.
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
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.
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.
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.
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.
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
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.
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.
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
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.
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
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.
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.
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
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.
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
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.
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
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.
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.
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.
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 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
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.
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.
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.
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
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.
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.
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.
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.
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.
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.
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
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.
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.
H01M 10/653 - Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
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.
H02K 33/18 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with coil systems moving upon intermittent or reversed energisation thereof by interaction with a fixed field system, e.g. permanent magnets
35.
Camera actuator and folded zoom camera module including same
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.
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.
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.
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
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.
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
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.
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
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.
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.
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
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.
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
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.
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.
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.
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
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.
A61H 23/02 - Percussion or vibration massage, e.g. using supersonic vibrationSuction-vibration massageMassage with moving diaphragms with electric or magnetic drive
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.
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
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.
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
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.
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
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.
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
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.
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
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.
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
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.
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.
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
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.
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
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.
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.
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
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.
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
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.
H02N 2/02 - Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing linear motion, e.g. actuatorsLinear positioners
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.
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
61.
ACTUATOR FOR REFLECTOR AND CAMERA MODULE INCLUDING THE SAME
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.
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
62.
ACTUATOR APPLIED WITH MULTI-SURFACE PROTRUDING DAMPER
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.
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
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.
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.
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
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.
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
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.
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
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.
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.
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
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.
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
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.
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
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.
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.
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
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.
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
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
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.
Disclosed are a camera actuator and a camera module including same. A camera actuator according to the present invention comprises: a fixing unit which includes an upper cover and a lower base coupled to the upper cover to form a mounting space therein; an actuating unit which performs a plane motion along a plane perpendicular to an optical axis in the mounting space; and a middle actuating member (middle guide) interposed between the upper cover and the actuating unit via a ball so that the actuating unit can perform a plane motion with respect to the fixing unit, wherein at least two actuating magnets are mounted to one surface of the actuating unit, a yoke is disposed at the upper cover to correspond to each of the actuating magnets, the actuating unit is in close contact with the upper cover side with the middle actuating member therebetween by attractive force between the actuating magnet and the yoke corresponding to each other and is spaced apart from the lower base, and an actuating substrate of the actuating unit spaced apart from the lower base and a fixing substrate coupled to the lower base are electrically connected to each other via a plurality of long and slim flexible wires.
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
Disclosed are a camera actuator for implementing auto focusing control and zoom functions and a folded zoom camera module including same. The camera actuator according to the present invention comprises: a housing; a driving unit comprising a vibration shaft mounted on the housing and extending in a first direction and a vibration generator that applies vibration to the vibration shaft in the first direction; a movable part provided in correspondence to the driving unit and moving in the first direction in the housing by a driving force generated by the driving unit; a friction moving part moving in the first direction on the vibration shaft; and a connecting part interconnecting the friction moving part and the movable part which correspond to each other, wherein the connecting part comprises a protrusion or a recess formed on a side surface of the friction moving part, which faces the movable part, and a recess or a protrusion formed on a side surface of the movable part so as to engage with the protrusion or the recess.
A camera actuator is provided. The camera actuator according to an embodiment of the present invention comprises: a housing including a base and a cover; an AF carrier which is mounted in the housing and moves in an optical-axis direction; an OIS carrier to which a lens barrel is mounted and which is mounted in the AF carrier and moves in a direction perpendicular to the optical-axis direction; a first ball member which is disposed between the inner surface of the housing and the outer surface of the AF carrier to assist in the movement of the AF carrier; a second ball member which is disposed between the AF carrier and the OIS carrier to assist in the movement of the OIS carrier; and an OIS damper which is disposed between the inner surface of the AF carrier and the outer surface of the OIS carrier so as to reduce the impact generated between the AF carrier and the OIS carrier.
Disclosed is an auto-focusing apparatus having an asymmetric supporting structure, which includes a first frame having a magnet; a second frame having an AF coil for moving the first frame in an optical axis direction; a first ball group located between the first frame and the second frame and having a number of balls arranged along the optical axis direction; and a second ball group located between the first frame and the second frame at a position different from the first ball group and having a number of balls arranged along the optical axis direction. The first ball group include two first support balls having a greater size than the other balls in the first ball group, and the second ball group includes two second support balls having a greater size than the other balls in the second ball group.
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 5/232 - Devices for controlling television cameras, e.g. remote control
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
The present invention provides a reflectometer actuator comprising: a moving frame having a first magnet and a reflectometer for reflecting or refracting light to a lens; a first support frame that provides a movement space for the moving frame; a first drive coil that generates an electromagnetic force in the first magnet to rotate the moving frame with respect to the first support frame; a first rotation guide that is provided between the moving frame and the first support frame and has an arc shape so that the moving frame rotates in a first direction; and a ball disposed inside the first rotation guide, wherein the center of curvature of the first rotation guide coincides with the center of rotation of the reflectometer.
G03B 5/00 - Adjustment of optical system relative to image or object surface other than for focusing of general interest for cameras, projectors or printers
G03B 17/12 - Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
G03B 17/17 - Bodies with reflectors arranged in beam forming the photographic image, e.g. for reducing dimensions of camera
A zoom driving actuator according to the present invention comprises: a first carrier to which a first lens is mounted and which moves in an optical-axis direction; a second carrier to which a second lens is mounted and which moves in the optical-axis direction above or below the first carrier with respect to the optical-axis direction; a housing in which the first carrier and the second carrier are received; a first magnet which is mounted to the first carrier; a second magnet which is mounted to the second carrier; a first coil part which is provided in the housing and faces the first magnet; a second coil part which is provided in the housing and faces the second magnet; and balls which are disposed between the housing and the first carrier and between the housing and the second carrier, respectively.
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
An actuator for driving a reflector includes a movement frame, a first support frame, a first drive coil, a first rotation guide and a first ball. The movement frame includes a reflector configured to reflect or refract light to a lens and a first magnet. The first support frame is configured to provide a space of the movement frame to move. The first drive coil is 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. The first rotation guide is arranged between the movement frame and the first support frame and has an arc shape so that the movement frame rotates in the first direction. The first ball is arranged inside the first rotation guide, wherein a center of curvature of the first rotation guide corresponds to a center of rotation of the reflector.
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
Disclosed are a camera actuator capable of achieving slimming of a camera module and a camera module including same. The camera actuator according to an embodiment of the present invention comprises: a fixing part including an upper base and a lower base that is coupled to the upper base to form a mounting space therein; and a movable part that performs, in the mounting space, a planar motion in two-axis directions perpendicular to an optical axis and a rotational motion about the optical axis, wherein the movable part includes a substrate having one surface on which a plurality of driving coils are mounted and a carrier on which the substrate is mounted, a plurality of driving magnets are mounted on the upper base to face the plurality of driving coils one by one, and a plurality of balls supporting the two-dimensional planar motion and the rotational motion of the movable part with respect to the fixed part are provided between the carrier and the upper base.
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
The present invention provides a heat dissipation sheet and an electronic device comprising same, the sheet being capable of promoting excellent heat dissipation performance and improvement in thermal conductivity while preventing the scattering of graphite chips generated from a graphite sheet, and being effectively applicable and usable in an electronic device with a small bezel thickness. The heat dissipation sheet according to the present design comprises a graphite sheet and upper and lower films attached, respectively, to the upper and lower surfaces of the graphite sheet, wherein a sealing member is filled in the exterior portion of the graphite sheet positioned between the upper and lower films.
H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
B32B 9/00 - Layered products essentially comprising a particular substance not covered by groups
B32B 9/04 - Layered products essentially comprising a particular substance not covered by groups comprising such substance as the main or only constituent of a layer, next to another layer of a specific substance
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
Disclosed are: an actuator which is applied to a dioptric camera module (folded zoom camera module) and includes a reflection member that reflects incident light at a 90 degree angle to transmit the light to an optical system; and a folded zoom camera module including same. The actuator of a folded zoom camera module according to the present invention is characterized by comprising: a reflection member for reflecting incident light from a subject toward an image converting unit; a movable member to which the reflection member is mounted; and a fixing member for supporting the movable member. A tilting protrusion portion having an arc shape is formed in the movable member or the fixing member, and a tilting guide portion having an arc-shaped groove for accommodating the first tilting protrusion portion is formed in the fixing member or the movable member. The radius of curvature of the groove is greater than the radius of curvature of the tilting protrusion portion, and thus the rolling movement of the tilting protrusion portion on the groove tilts the movable member in a specific direction about an axis line with respect to the image converting unit.
G03B 5/00 - Adjustment of optical system relative to image or object surface other than for focusing of general interest for cameras, projectors or printers
G03B 17/12 - Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
H04N 5/232 - Devices for controlling television cameras, e.g. remote control
An autofocus adjustment device according to the present invention comprises: a carrier on which a lens is mounted and which moves linearly in the optical axial direction; a housing for accommodating the carrier; a driving part assembly which is provided in the housing and moves the carrier in the optical axial direction; and a ball which is provided between the carrier and the housing and is in contact with the carrier and the housing, wherein at least one of the portion of the carrier that comes into contact with the ball, or the portion of the housing that comes into contact with the ball is made of a metal material.
Disclosed are an actuator for a folded zoom camera module including a reflectometer and a folded zoom camera module comprising the actuator. The actuator for a folded zoom camera module according to the present invention comprises: a movable unit having a lens barrel loaded therein and a magnet attached to one side surface portion where the lens barrel is loaded; a fixing unit which accommodates the movable unit to be translatable in the optical axis direction and which has a coil and a coil yoke arranged on one side surface thereof so as to face the magnet; and ball rolling units which guide the translation movement of the movable unit between the movable unit and the fixing unit, with respect to the fixing unit in the optical axis direction, wherein the ball rolling units are arranged on two regions facing each other in the diagonal direction on the basis of the center of the lens barrel in the optical axis direction, and the center of the magnet and the center of the coil yoke are located at different heights from each other such that a suction force can be applied in another diagonal direction in which the ball rolling units are not arranged.
G03B 17/12 - Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
G03B 5/00 - Adjustment of optical system relative to image or object surface other than for focusing of general interest for cameras, projectors or printers
A camera module and a method for assembling same are disclosed. A camera module according to the present invention is a folded zoom camera module having a sensor (imaging element such as CCD or CMOS) and lenses arranged transversely, unlike the existing scheme in which same are stacked longitudinally. The camera module comprises: a housing having a containing space formed therein and configured such that one side portion thereof in an optical axis direction, the opposite portion thereof, the other side portion thereof, and the lower surface portion thereof are open; at least one driving unit installed to cover the lower surface portion of the housing, the driving unit comprising a substrate having multiple (two or more) coils mounted on a surface facing the containing space; a fixed optical unit coaxially coupled to one side surface portion of the housing; and at least one movable optical unit arranged in the containing space of the housing behind the fixed optical unit, with reference to a direction of movement of light, so as to be able to move in the axial direction, the movable optical unit having a magnet coupled to a surface thereof, which faces the substrate, so as to correspond to the coils. A mounting frame is formed inside the other side surface portion of the housing such that an image sensor module is mounted. Each of the fixed optical unit and the movable optical unit has at least one alignment hole formed therein for optical axis-direction alignment inside the housing. The mounting frame has at least one alignment groove formed on a surface thereof so as to correspond to the alignment hole.
An actuator for generating vibration of the present invention comprises: a shaft; a middle supporter comprising a fitting part fitted around an upper portion of the shaft, and a support part disposed in a lower portion of the fitting part and forming a first space through which a lower portion of the shaft is exposed; a circuit board including a driving coil and a hollow portion which extends through the middle supporter; a housing which includes an inner space formed therein so as to accommodate the middle supporter and the circuit board, and to which the circuit board is fixed; a first yoke plate which includes a first magnet installed thereon and facing an upper surface of the driving coil, and is fixedly coupled to an upper portion of the middle supporter; a second yoke plate which includes a second magnet installed thereon and facing a lower surface of the driving coil, and is fixedly coupled to a lower portion of the middle supporter; and a weight member installed in at least one of the first and second yoke plates.
H02K 5/173 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
H04M 19/04 - Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations
G06F 3/041 - Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
89.
REFLECTOMETER ACTUATOR AND CAMERA MODULE COMPRISING SAME
A reflectometer actuator of the present invention is characterized by comprising: a moving frame provided with a reflectometer for reflecting light into a lens and a magnet; a base frame providing a moving space of the moving frame; a drive coil for generating a magnetic force in the magnet such that the moving frame rotatably moves with respect to the base frame; a guide rail formed on any one of the moving frame and the base frame and having a rounded shape; a holder provided in one that is not provided with the guide rail, of the moving frame and the base frame, provided in a direction facing the guide rail, and having a groove shape; and a ball disposed between the guide rail and the holder.
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
A horizontal linear-vibration generating apparatus is disclosed. The horizontal linear-vibration generating apparatus according to the present invention comprises: a case coupled to a bracket so as to form a mounting space therein; a stator which is mounted in the mounting space, and which includes a coil-yoke unit electrically connected to a circuit substrate on the bracket; a vibrator which has a magnet corresponding to the coil-yoke unit and a weighted body for amplifying vibration and which vibrates in the first direction with respect to the stator in the mounting space; and first and second springs which are provided between the case and the vibrator, and which elastically support, at both sides thereof, pitching/rolling of the vibrator in the first-direction with respect to the stator in the mounting space, wherein the first spring and the second spring have first and second spring supports, respectively, which are integrally formed thereon, for mounting the vibrator, each of the first and second spring supports has at least one movable stopper, the case and the bracket have at least one fixed stopper formed in correspondence to the movable stopper, and the movable stopper and the fixed stopper, corresponding to each other, are formed so that at least portions thereof are overlapped when viewed in the first direction.
H02K 33/02 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs
H02K 33/16 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with polarised armatures moving in alternate directions by reversal or energisation of a single coil system
B06B 1/04 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency making use of electrical energy operating with electromagnetism
H02K 5/04 - Casings or enclosures characterised by the shape, form or construction thereof
H04M 19/04 - Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations
91.
ACTUATOR FOR CAMERA, AND CAMERA MODULE INCLUDING SAME
An actuator for a camera according to the present invention is characterized by comprising: a first OIS carrier positioned above a base and moving in a first direction perpendicular to the optical axis; a first elastic body which has one end fixed to the side surface of the base and the other end fixed to the side surface of the first OIS carrier, and which elastically supports the movement of the first OIS carrier in the first direction; a second OIS carrier positioned above the first OIS carrier and moving in a second direction perpendicular to both the optical axis and the first direction; and a second elastic body which has one end fixed to the side surface of the first OIS carrier and the other end fixed to the side surface of the second OIS carrier, and which elastically supports the movement of the second OIS carrier in the second direction, wherein at least one of the first elastic body or the second elastic body has a left-right asymmetric shape with respect to the optical axis direction.
An actuator with a multipolar magnet structure includes a carrier configured so that a lens is loaded thereon, the carrier being configured to linearly move along an optical axis direction, a housing configured to accommodate the carrier, a coil unit provided in the housing and having an n number of coils arranged along the optical axis direction in the same side of the housing, where n is a natural number of 2 or above, and a magnet mounted to the same side of the carrier to face the coil unit, the magnet having an n+1 number of magnetic poles facing the coil unit.
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
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
Disclosed are: a camera actuator for shake correction by means of a novel driving method by utilizing a shape memory alloy having the physical property of being restored to the original shape thereof when the temperature changes; and a camera module including same. A camera actuator according to the present invention comprises: a tilt unit for accommodating an optical module to which an optical system is mounted; and a rotary driving part which generates and provides a driving force for rotating the tilt unit about a specific horizontal axis. The rotary driving unit comprises: a first SMA wire which is connected on one side of a rotary plate so as to apply a unidirectional rotational moment to a rotary shaft of the tilt unit through the rotary plate coupled to the rotary shaft; and a second SMA wire which is connected on the other side of the rotary plate so as to apply a rotational moment to the rotary shaft through the rotary plate in the opposite direction as the first SMA wire. An electric current is alternatively applied to the first SMA wire and the second SMA wire, and the SMA wire to which the electric current has been alternatively applied contracts due to the electric current applied thereto, whereby the rotary shaft rotates so that the tilt unit equipped with an optical module can tilt in the clockwise or counterclockwise direction to counteract the shaking of the hands.
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
A camera actuator for implementing automatic focusing and zooming, and a compact camera including the same. The camera actuator includes a base, at least one driving unit, and at least one optical unit. The base has an internal accommodation space, is open at both ends thereof in a direction in which light travels, and has at least one opening in one side surface thereof. The driving unit includes a substrate fitted in the opening of the base and mounted with at least one coil on a surface facing the internal accommodation space of the base. The optical unit is provided in the internal accommodation space of the base and configured to be movable in an optical axis direction. The optical unit is mounted with a magnet on a surface facing the substrate. The magnet is positioned to correspond to the coil. The substrate is mounted with two or more coils.
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
Disclosed are a camera actuator for implementing auto-focus and zoom functions, and a compact camera comprising same. The camera actuator according to the present invention comprises: a housing having, between first and second side walls that face each other, a space divided into two by a partition; an optical unit provided in a first accommodation space, partitioned between the first side wall and the partition, so as to rectilinearly move in an optical axis direction; a driving body provided in a second accommodation space, partitioned between the second side wall and the partition, so as to rectilinearly move in the optical axis direction; a magnetic circuit unit including a driving coil provided on a wall surface that partitions the second accommodation space, and a driving magnet coupled to the side surface part of the driving body so as to face the driving coil; and a rotary link for linkably connecting the optical unit and the driving body, wherein the rotary link rotates on a planar surface, that is parallel to an optical axis according to the motion of the driving body, around a pivot point coupled to the top of the partition with a hinge structure, and on the basis of the pivot point, distance (D1) to an output point where one side of the rotary link is connected to one surface of the optical unit with a cam structure differs from distance (D2) to an input point where the other side of the rotary link is connected to one surface of the driving body with a cam structure.
An autofocus apparatus according to an embodiment of the present invention includes a reflector provided to a rear side of a lens assembly and configured to change a path of a light passing through the lens assembly so that the light is oriented toward an image sensor; a carrier to which the reflector is mounted, the carrier being configured to linearly move in an optical axis direction; a housing configured to accommodate the carrier; and a driving unit configured to move the carrier so that a distance between the reflector and the lens assembly and a distance between the reflector and the image sensor are changed simultaneously.
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
An actuator according to various embodiments of the present invention comprises: a stator including a bracket, a yoke located on the bracket, and a coil for encompassing the circumference of the yoke; a permanent magnet encompassing the circumference of the coil; a vibrator including a weight encompassing the circumference of the permanent magnet, and a plate for supporting the permanent magnet and the weight; an elastic member located between the bracket and the vibrator so as to support the vibrator; and a magnetic fluid which is located between the vibrator and the stator, and which provides damping stability when the vibrator vibrates, wherein the weight of the magnetic fluid can be between 0.24% to 0.71% on the basis of the weight of the vibrator. Other various embodiments are possible.
G06F 3/01 - Input arrangements or combined input and output arrangements for interaction between user and computer
H02K 33/02 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs
H02K 33/16 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with polarised armatures moving in alternate directions by reversal or energisation of a single coil system
H02K 5/04 - Casings or enclosures characterised by the shape, form or construction thereof
H01F 1/44 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of magnetic liquids, e.g. ferrofluids
H01L 41/09 - Piezo-electric or electrostrictive elements with electrical input and mechanical output
98.
ACTUATOR FOR CAMERA HAVING MULTI-DIRECTIONAL DAMPER
An actuator for a camera having a multi-directional damper of the present invention comprises: a base having an inner space formed therein; a case coupled to the base; a carrier which is provided in the inner space of the base and moves in one or more directions among the direction of an optical axis, a first direction perpendicular to the optical axis, or a second direction perpendicular to the optical axis and the first direction; and a damper having a sub part positioned in two or more directions among an optical axis direction in which the carrier and the case face, a first direction in which the carrier and the base face, or a second direction.
H04N 5/232 - Devices for controlling television cameras, e.g. remote control
F16F 15/08 - Suppression of vibrations of non-rotating, e.g. reciprocating, systemsSuppression of vibrations of rotating systems by use of members not moving with the rotating system using elastic means with rubber springs
An actuator for a camera according to the present invention is characterized by including: a base defining an inner space; a carrier provided inside the base and moving in at least one direction among an optical axis direction, a first direction perpendicular to the optical axis, and a second direction perpendicular to the optical axis and the first direction; and a damper provided on the carrier or the base and having a shape extending in at least two directions among the optical axis direction, the first direction, and the second direction.
H04N 5/232 - Devices for controlling television cameras, e.g. remote control
G03B 5/00 - Adjustment of optical system relative to image or object surface other than for focusing of general interest for cameras, projectors or printers
F16F 15/04 - Suppression of vibrations of non-rotating, e.g. reciprocating, systemsSuppression of vibrations of rotating systems by use of members not moving with the rotating system using elastic means
100.
ACTUATOR FOR CAMERA, AND CAMERA MODULE COMPRISING SAME
An actuator for a camera, according to the present invention, comprises: a base in which an internal space is formed; a first OIS carrier accommodated in the base; and a first OIS ball positioned between the inner side of the side surface of the base and the outer side of the side surface of the first OIS carrier, wherein the first OIS carrier linearly moves in a first direction that is perpendicular to an optical axis direction along the side surface of the base.
patents
