Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.