Abstract: An image stabilizer includes a stationary frame with four sidewalls, a moveable frame including four side panels, magnets, a plurality of fine pattern coils, and a resilient plate holding the moveable frame in the stationary frame. Each sidewall includes a receiving hole, a support portion received in the receiving hole, and a raised engagement portion extending from the support portion. The magnets are fixed on the side panels. The fine pattern coils are fixed in the receiving holes and aligned with the magnets and compensate for vibration and movement of the device to which it is affixed. The resilient plate is configured for returning the moveable frame to a resting position when a power supply is cut off.

Abstract: An exemplary image stabilizer includes a stationary supporting frame, a moveable frame, a driving assembly and a resilient assembly. The moveable frame is moveably received in the stationary supporting frame and spaced from the stationary supporting frame. The driving assembly includes a first magnetic member and a second magnetic member. The first magnetic member is positioned on the stationary supporting frame. The second magnetic member is positioned on the moveable frame. The driving assembly is configured for driving the moveable frame to rotate relative to the stationary supporting frame through interaction between the first magnetic member and the second magnetic member. The resilient assembly interconnects the stationary supporting frame and the moveable frame and is configured for counter-rotating the moveable frame relative to the stationary supporting frame.

Abstract: An image stabilizer includes a stationary frame with four sidewalls, a moveable frame including four side panels, magnets, a plurality of fine pattern coils, and a resilient plate holding the moveable frame in the stationary frame. Each sidewall includes a receiving hole, a support portion received in the receiving hole, and a raised engagement portion extending from the support portion. The magnets are fixed on the side panels. The fine pattern coils are fixed in the receiving holes and aligned with the magnets and compensate for vibration and movement of the device to which it is affixed. The resilient plate is configured for returning the moveable frame to a resting position when a power supply is cut off.

Abstract: An exemplary piezoelectric actuator includes a fixed barrel, a movable barrel in the fixed barrel, a piezoelectric driving module, a flexible circuit board on the fixed barrel, a bracing sheet, and a preloading module. The movable barrel receives a lens module. The driving module drives the movable barrel to move relative to the fixed barrel along an optical axis of the lens module. The driving module includes a piezoelectric member on the fixed barrel, and a friction member on the movable barrel and opposite to the friction member. The flexible circuit board is electrically connected with the piezoelectric member. The sheet is attached around the flexible circuit board. The preloading module is between the fixed barrel and the movable barrel. The preloading module is opposite to the piezoelectric driving module for exerting a pressure on the movable barrel, thereby making the friction member resist against the piezoelectric member.

Abstract: An exemplary camera module, includes a lens group, an image sensor, and a liquid crystal module disposed between the lens group and the image sensor. The liquid crystal module includes a first glass substrate adjacent to the image sensor, an opposite second glass substrate, a plurality of liquid crystal molecules arranged between the first glass substrate and the second glass substrate, a first transparent electrode layer formed on the first glass substrate and facing the liquid crystal molecules, and a second transparent electrode layer formed on the second glass substrate and facing the liquid crystal molecules. The liquid crystal molecules are configured for adjusting light path of the light transmitting therethrough in response to an electric field between the first and second transparent electrode layers, thus adjusting depth of field of the camera module.

Abstract: An image stabilizer includes a stationary member defining a first receiving space and a first central axis, a moveable member received in the first receiving space and spaced from the stationary member, a driving assembly including a first magnetic member fixed to the stationary member and a second magnetic member fixed to the moveable member, a resilient assembly interconnecting the stationary member and the moveable member, and a gyro. The moveable member defines a second central axis coinciding with the first central axis. The first magnetic member faces the second magnetic member. The driving assembly drives the moveable member to rotate about a first axis and a second axis relative to the stationary member through magnetic interaction between the first magnetic member and the second magnetic member. The second axis is perpendicular to the first axis; the first axis and the second axis are perpendicular to the first central axis.

Abstract: An imaging sub-system, a liquid crystal (LC) element, and a digital focus processor are provided. The LC element is placed in the light path of the imaging sub-system, functioning as the aperture of the imaging sub-system, and includes a periodically patterned electrode which is patterned according to a periodical modulation function and configured to blur an intermediate image captured by the imaging sub-system by applying a controllable voltage thereto. The digital focus processor is configured to deconvolute the periodical modulation function to remove the blur away from the intermediate image and determine an all-in-focus real image.

Abstract: An actuator includes a base, a stationary frame mounted on the base, a moveable frame received in the stationary frame and supported on the base, a shaft mounted on a side surface of the moveable frame, a magnet, a flexible printed circuit, a piezoelectric motor, and a position sensor. The magnet is mounted on the side surface of the moveable frame and apart from the shaft. The flexible printed circuit is mounted on a sidewall of the stationary frame in an unfolded state. The piezoelectric motor is mounted on the flexible printed circuit and matches with the shaft. The position sensor is mounted on the flexible printed circuit and apart from the piezoelectric motor. The position sensor is configured for detecting the location of the magnet.

Abstract: An exemplary piezoelectric actuator includes a fixed barrel defining a first receiving cavity, a movable barrel in the first receiving cavity for receiving a lens module, a piezoelectric driving module driving the movable barrel to move relative to the fixed barrel along an optical axis of the lens module, and a preloading module. The movable barrel defines a second receiving cavity for receiving the lens module. The piezoelectric driving module includes a piezoelectric member attached on the sidewall of the fixed barrel, and a friction member attached on the sidewall of the movable barrel. The piezoelectric member is opposite to the friction member. The preloading module is arranged between the fixed barrel and the movable barrel. The preloading module is opposite to the piezoelectric driving module for exerting a pressure to the movable barrel, thereby making the friction member resist against the piezoelectric member.

Abstract: An exemplary piezoelectric actuator includes a fixed barrel, a movable barrel in the fixed barrel, a piezoelectric driving module, a flexible circuit board on the fixed barrel, a bracing sheet, and a preloading module. The movable barrel receives a lens module. The driving module drives the movable barrel to move relative to the fixed barrel along an optical axis of the lens module. The driving module includes a piezoelectric member on the fixed barrel, and a friction member on the movable barrel and opposite to the friction member. The flexible circuit board is electrically connected with the piezoelectric member. The sheet is attached around the flexible circuit board. The preloading module is between the fixed barrel and the movable barrel. The preloading module is opposite to the piezoelectric driving module for exerting a pressure on the movable barrel, thereby making the friction member resist against the piezoelectric member.

Abstract: A lens module includes a lens holder, a liquid crystal lens, wires, and a driving unit. The holder includes an outer surface, a first end portion adjacent to an object side, and a second end portion adjacent to an image side. The first end portion and the second end portion are at opposite sides of the holder. The outer surface connects the first end portion to the second end portion. The holder defines wire grooves in the first end portion and the outer surface. The liquid crystal lens is received in the first end portion. The wires are formed on the first end portion and the outer surface in the grooves. The wires are electrically connected to the liquid crystal lens. The driving unit is electrically connected to the wires and drives the liquid crystal lens to zoom.

Abstract: A lens module includes a liquid crystal lens, a lens barrel and two electrically conductive traces. The liquid crystal lens includes a light incident surface, a light output surface facing away from the light incident surface, and a number of side wall surfaces interconnecting the light incident surface and the light output surface. The liquid crystal lens includes at least two electrode layers. Each of the electrode layers comprising a connection terminal exposed at the corresponding side wall surface. The liquid crystal lens is received in the lens barrel. The two electrically conductive traces are embedded in an outer surface of the lens barrel, and includes a first end electrically connected to the corresponding connection terminal, and a second end for electrical connection to an external circuit.

Abstract: A lens module includes a flexible printed circuit board, a first sensor, a second sensor, an adjustment device, a lens, a protective frame, an outer housing, a drive mechanism and a resilient member. The flexible printed circuit board includes a first mounting portion and a second mounting portion. The first sensor and the second sensor are fixed on the flexible printed circuit board. The outer housing is connected to the flexible printed circuit board and covers on the outside of the adjustment device and the protective frame. The resilient member and the flexible printed circuit board are arranged on opposite sides of the outer housing. The flexible printed circuit board can be folded along a connecting line between the first mounting portion and the second mounting portion.

Abstract: A spring plate includes a plate body having a through hole defined at the center thereof, and a terminal perpendicularly extending from the plate body. The plate body includes an outer closed-loop frame, an inner closed-loop frame, and spring parts interconnected between the outer closed-loop frame and the inner closed-loop frame. The terminal has an end portion distal from the plate body with at least one of a through hole and a recess therein.

Abstract: An optical touch screen device includes a display panel, a light source module, an image capture module, a sound detecting member, and a processing unit. The display panel includes a display screen. The light source module is configured for emitting light to illuminate an input device on the display screen. The image capture module is configured for capturing images of the illuminated input device, determining coordinates of a position of the input device on the display screen based on the images, and generating a first input signal associated with the coordinates of the input device. The sound detecting member is configured for detecting a stroke of the input device on the display screen, and generating a second input signal associated with the stroke of the input device. The processing unit is configured for generating a command signal based on the first input signal and the second input signal.

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 piezoelectric driving module includes a movable barrel, a fixed barrel receiving the movable barrel, a piezoelectric actuator, and a spring member. The piezoelectric actuator is configured for moving the movable barrel relative to the fixed barrel. The piezoelectric actuator includes a piezoelectric body mounted on the sidewall of the fixed barrel and a friction member mounted on the piezoelectric body. The piezoelectric body is configured for driving the friction member to generate elliptical vibration. The friction member is in frictional contact with the movable barrel. The spring member connects the movable barrel to the fixed barrel. The spring member is configured for providing an resilient force to make the movable barrel be in frictional contact with the friction member such that the friction member can be driven by the piezoelectric body to move the movable barrel along the central axis of the fixed barrel.

Abstract: A lens module includes a flexible printed circuit board, a first sensor, a second sensor, an adjustment device, a lens, a protective frame, an outer housing, a drive mechanism and a resilient member. The flexible printed circuit board includes a first mounting portion and a second mounting portion. The first sensor and the second sensor are fixed on the flexible printed circuit board. The outer housing is connected to the flexible printed circuit board and covers on the outside of the adjustment device and the protective frame. The resilient member and the flexible printed circuit board are arranged on opposite sides of the outer housing. The flexible printed circuit board can be folded along a connecting line between the first mounting portion and the second mounting portion.

Abstract: An image stabilizer includes a stationary member defining a first receiving space and a first central axis, a moveable member received in the first receiving space and spaced from the stationary member, a driving assembly including a first magnetic member fixed to the stationary member and a second magnetic member fixed to the moveable member, a resilient assembly interconnecting the stationary member and the moveable member, and a gyro. The moveable member defines a second central axis coinciding with the first central axis. The first magnetic member faces the second magnetic member. The driving assembly drives the moveable member to rotate about a first axis and a second axis relative to the stationary member through magnetic interaction between the first magnetic member and the second magnetic member. The second axis is perpendicular to the first axis; the first axis and the second axis are perpendicular to the first central axis.

Abstract: An exemplary piezoelectric driving module includes a movable barrel, a fixed barrel receiving the movable barrel, a piezoelectric actuator, and a spring member. The piezoelectric actuator is configured for moving the movable barrel relative to the fixed barrel. The piezoelectric actuator includes a piezoelectric body mounted on the sidewall of the fixed barrel and a friction member mounted on the piezoelectric body. The piezoelectric body is configured for driving the friction member to generate elliptical vibration. The friction member is in frictional contact with the movable barrel. The spring member connects the movable barrel to the fixed barrel. The spring member is configured for providing an resilient force to make the movable barrel be in frictional contact with the friction member such that the friction member can be driven by the piezoelectric body to move the movable barrel along the central axis of the fixed barrel.