Patent application number | Description | Published |
20100329654 | LENS DRIVING APPARATUS WITH ANTI-SHAKE MECHANISM - An exemplary lens driving apparatus includes a first retaining frame having first retaining portions, first coils of wire received in the first retaining portions, and a voice coil motor movably received in the first retaining frame. The voice coil motor includes a second retaining frame having second retaining portions, magnets received in the second retaining portions, and a core member having a second coil of wire wound around and being movably received in the second frame. The core member receives lens therein. The magnets generate magnetic fields which are capable of driving the core member to move along the lens optical axis when the second coil of wire is electrically powered; the magnets are applied reverse force of Ampere's force when the first coils of wire are electrically powered, such that the voice coil motor together with the lens is moved in a plane perpendicular to the lens optical axis. | 12-30-2010 |
20110001836 | ACTUATOR AND ANTI-VIBRATION CAMERA MODULE USING SAME - An actuator includes a stationary member defining a first receiving room and a center axis, a moveable member received in the first receiving room and being apart from the stationary member, a driving member, and a resilient spring assembly. The moveable member is coaxial with the stationary member. The driving member comprises a first magnetic assembly fixed to the stationary member and a second magnetic assembly fixed to the moveable member. The first magnetic assembly faces the second magnetic assembly. The driving member is configured for driving the moveable member to move along a first axis and a second axis perpendicular to the first axis. The first axis and the second axis are perpendicular to the central axis. The spring assembly is positioned between the stationary member and the moveable member and connects the moveable member to the stationary member. The spring assembly elastically deforms when the moveable member moves. | 01-06-2011 |
20110007202 | OPTICAL ZOOM CAMERA MODULE - A camera module, includes a circuit board, an image sensor mounted on the circuit board, a first lens module and a second lens module aligned with the image sensor. The first lens module includes a fixing member, a first barrel rotatably supported by the fixing member, a second barrel movably received in the first barrel and receiving a first lens therein, a driving apparatus configured for driving the first barrel to rotate, and a fixed leaning member arranged outside of the first barrel. The first barrel has a cam groove formed along a circumference thereof, the second barrel has a guiding bar extending through the cam groove and leaned against the leaning member, such that when the driving apparatus drives the first barrel to rotate, the second barrel is driven to move along an optical axis of the first lens relative to the second lens module and the image sensor. | 01-13-2011 |
20110012872 | HAND-WRITING INPUT DEVICE AND HAND-WRITING INPUT SYSTEM - A hand-writing input device includes a main body, a pressure sensing member, a tip portion, an amplifier and a light source. The pressure sensing member is received in the main body and configured for generating a voltage in response to a pressure applied thereto. The tip portion has a writing tip and an opposite head end. The tip portion extends through a distal end of the main body and contacts the pressure sensing member to apply the pressure to the pressure sensing member. The writing tip is exposed to the outside of the main body. The amplifier has an input terminal and an output terminal The pressure sensing member is electrically connected to the input terminal to provide a voltage thereto. The light source is fixed in the main body and electrically connected to the output terminal. | 01-20-2011 |
20110013895 | CAMERA MODULE WITH ANTI-SHAKE MECHANISM - A camera module includes a voice coil motor comprising a fixing assembly, a movable assembly, an elastic member connecting the movable assembly to the fixing assembly, and a pivoting member located between the fixing assembly and the movable assembly; a lens assembly and an image sensor received in the movable assembly; a plurality of Hall sensors capable of detecting movement distances of the movable assembly; and a control module comprising a current distributor, and a processor electrically connected to the Hall sensors. Wherein when shaking occurs, the housing is driven to move along the central axis and at the same time is rotated a desired angles pivoting on the pivoting member, the processor configured for calculating rotated angles of the movable assembly base on movement distances of the movable assembly relative to the respective Hall sensors. | 01-20-2011 |
20110019075 | CAMERA MODULE WITH ANTI-SHAKE MECHANISM - An exemplary camera module includes a fixture, a lens module, a movable frame, an image sensor, a position sensor, a first and a second magnet, and a first and a second magnetic field generator. The position sensor is used to detect displacements of the lens module caused by shake. The magnetic field generators are used to apply a magnetic field to the corresponding magnets, each of the magnetic field generators is electrifiable in response to detection by the position sensor of displacement of the lens module caused by shake. Accordingly, at least one of the magnets and the corresponding magnetic field generator cooperatively drive the lens module to move and compensate the displacement of the image sensor. | 01-27-2011 |
20110019985 | IMAGE STABILIZING CAMERA SYSTEM - An exemplary image stabilizing camera system includes a fixed body having a first receiving cavity therein, a movable unit received in the first receiving cavity, a pivot member located between the fixed body and the movable unit, a motion sensor, and a driving module. The pivot member is engagingly received in and between the fixed body and the movable unit. The motion sensor is disposed on the fixed body and configured for detecting a movement of the image stabilizing camera system. The driving module is configured for driving the movable unit to rotate around the pivot member to compensate a movement of the image stabilizing camera system based on the motion detection result of the motion sensor. | 01-27-2011 |
20110043055 | PLATE SPRING AND VOICE COIL MOTOR - A plate spring includes holding section, first attached section, second attached section, first spring section connected between the holding section and the second attached section, and a second spring section connected between the first fixed portion and the second fixed portion. The holding section has a first edge, second edge opposite to the first edge, and a third edge. The first attached section is positioned adjacent to an intersection of the third edge and the second edge. The second attached section is positioned adjacent to an intersection of the third edge and the first edge. The first spring section has a wavy configuration and extends from an end of the first edge to the second attached section. The second spring section also has a wavy configuration and extends from an end of the second to the first attached section. The present disclosure also provides a voice coil motor. | 02-24-2011 |
20110156502 | SPRING PLATE AND VOICE COIL MOTOR USING THE SAME - A spring plate includes an engaging portion, a connecting portion, a first elastic portion, a second elastic portion, a first fixing portion, and a second fixing portion. The first elastic portion and the second elastic portion are connected to the engaging portion and the connecting portion, the first fixing portion and the second fixing portion are formed on opposite ends of the connecting portion. The engaging portion defines a recess. The present disclosure further provides a voice coil motor using the spring plate. | 06-30-2011 |
20110158616 | IMAGE STABILIZATION SYSTEM - An exemplary image stabilization system includes a fixed body having a first receiving cavity therein, a movable unit received in the first receiving cavity, a pivot member located between the fixed body and the movable unit, a motion sensor, a driving module, and a U-shaped magnetic shield. The pivot member is engagingly received in and between the fixed body and the movable unit. The motion sensor is disposed on the fixed body for detecting a movement of the image stabilization system. The driving module is configured for driving the movable unit to rotate around the pivot member to compensate a movement of the image stabilization system based on the motion detection result of the motion sensor. The U-shaped magnetic shield includes a first plate, a second plate, and a connecting plate between the first and second plates. The first vertical is securely mounted on the movable unit. The second plate is located on an opposite side of the first plate to the fixed barrel. The driving module is arranged between the first plate and the second plate. | 06-30-2011 |
20110158625 | IMAGE CAPTURING UNIT AND ELECTRONIC DEVICE HAVING SAME - An exemplary image capturing unit includes a housing, a moveable support, and a driving assembly. The moveable support is moveably mounted in the housing. The moveable support includes a rotating axis and is configured for receiving a camera module. The driving assembly includes a first magnetic member and a second magnetic member. The first magnetic member is positioned on the housing. The second magnetic member is positioned on the moveable support and faces the first magnetic member. The driving assembly is configured for driving the moveable support to rotate about the rotating axis relative to the housing through magnetical interaction between the first magnetic member and the second magnetic member. | 06-30-2011 |
20110176796 | CAMERA MODULE FOR CAPTURING PANORAMIC IMAGE - A camera module includes an image capturing member, a movable member, a first magnet, a second magnet, and an electromagnetic coil. The image capturing member is configured for capturing images, and has an optical axis. The movable member receives the image capturing member, and is rotatable about a rotation axis substantially perpendicular to the optical axis of the image capturing member. The first magnet and a second magnet are respectively fixed to opposite sides of the movable member. The first magnet and the second magnet are respectively arranged at opposite sides of the optical axis and at opposite sides of the rotation axis. The electromagnetic coil is wrapped around the first and second magnets for acting upon the first and second magnets, thereby producing a magnetic force to drive the movable member to rotate about the rotation axis. | 07-21-2011 |
20120039589 | IMAGE STABILIZATION SYSTEM - A stabilization system includes a camera module, a fixed body, a movable frame, a pivot member, a motion sensor, a magnetic driving module, and an electric member. The movable frame receives the camera module and includes a first outer surface, a second outer surface, a third outer surface and a fourth outer surface. The motion sensor is attached to the fourth outer surface. The driving module includes a first magnetic driving unit arranged on the fixed body and a second magnetic driving unit arranged on the first, second, and third outer surfaces. The driving module drives the movable frame to rotate around the pivot member to compensate a movement of the camera module based on a motion detection result of the motion sensor through interaction between the first and second magnetic driving units. The electric member interconnects the fixed body and the movable frame. | 02-16-2012 |
20120091827 | VOICE COIL MOTOR WITH ROLLERS - A voice coil motor includes a mount, a movable unit and a number of rollers. The mount includes a through hole, a number of recesses opposing the through hole, and a number of magnetic blocks mounted in the through hole. The movable unit includes a barrel and a coil of wire surrounding the barrel. The movable unit is movably received in the through hole of the frame and surrounded by the magnetic blocks. The rollers are rotatably received in the respective recesses and come in contact with the barrel. The rollers hold the movable unit in position when no magnetic force needed to be applied on the movable unit. | 04-19-2012 |
20120162790 | VOICE COIL MOTOR, CAMERA MODULE HAVING SAME AND PORTABLE ELECTRONIC DEVICE HAVING SAME - An exemplary voice coil motor includes a fixed body, a movable barrel, a number of upper rollers, and a number of lower rollers. The fixed body includes a first receiving cavity, a number of upper recesses, and a number of lower recesses. The upper recesses and lower recesses are respectively arranged at opposite ends of the fixed body, and communicate with the first receiving cavity. The movable barrel is movably received in the first receiving cavity. The upper rollers are engagingly received in the corresponding upper recesses, and engage with the movable barrel for applying first friction forces to the movable barrel. The lower rollers are engagingly received in the lower recesses, and engage with the movable barrel for applying second friction forces to the movable barrel. | 06-28-2012 |
20130026858 | VOICE COIL MOTOR AND LENS MODULE - A voice coil motor (VCM) includes a case, a lower plate, a lens holder, a coil, a magnet assembly, and an elastic sheet. The case includes an upper plate and sidewalls extending from edges of the upper plate. Each sidewall includes an inner surface. The lower plate is positioned at one end of the sidewalls and opposite to the upper plate. The lens holder is received in the case. The coil is circled around the lens holder. The magnet assembly consists of a first magnet and a second magnet, the first magnet and the second magnet are plate shaped and respectively positioned on the inner surfaces of opposite two of the sidewalls. The elastic sheet is connected between the lower plate and the lens holder. | 01-31-2013 |