Abstract: A camera includes a lens module, an image sensor, and a shutter module. The centers of the image sensor and the shutter module are on an optical axis of the lens module. The shutter module includes a frame and an electroactive telescopic unit having a first electroactive polymer layer, two compliant electrode layers, and two second electroactive polymer layers. The center of the electroactive telescopic unit has a through hole through the first electroactive polymer layer, the two compliant electrode layers, and the two second electroactive polymer layers. A central axis of the through hole and the optic axis of the lens module are coaxial. The electroactive telescopic unit is contractible or expandable along a direction perpendicularly to the optic axis of the lens module in response to a change in a voltage applied between the two compliant electrode layers.

Abstract: An exemplary image stabilizing camera system includes a camera module. The camera module includes a movable AF unit, a frame having a receiving cavity defined therein, an electromagnetic driving unit, and an elastic member. The receiving cavity is configured for receiving the movable AF unit therein. The electromagnetic driving unit is configured for driving the movable AF unit to move relative to the frame so as to counteract movement of the object relative to the system such that the system can, after a shake of the system, capture a stabilized image of the object which is substantially identical with an image thereof captured without the shake of the system. The elastic member is disposed on a top end of the movable AF unit. The elastic member is configured for connecting the movable AF unit to the frame, thereby suspending the movable AF unit in the receiving cavity.

Abstract: An aperture unit includes a transparent cylindrical member, a magnetic fluid, and a magnetic field generator. The cylindrical member includes a cylindrical chamber. A light input end portion of the cylindrical member is transparent, and an opposite light output end portion of the cylindrical member is transparent. The magnetic fluid is received in the cylindrical chamber. The magnetic fluid includes a transparent solvent, a surfactant, and nano-magnetic particles dispersed substantially evenly in the solvent. Each of the magnetic nano-particles is enveloped by a surfactant. The magnetic field generator is positioned outside the cylindrical chamber. The magnetic field generator is configured for generating a magnetic field applied to the chamber and attracting and clustering the nano-particles, such that an annular nano-particle opaque layer is formed on an inner surface of the cylindrical member.

Abstract: An actuator includes a first barrel, a second barrel, a first magnetic portion, a second magnetic portion and a plurality of springs. The second barrel is received in the first barrel. The first magnetic portion and the second magnetic portion are arranged between the first barrel and the second barrel. The first magnetic portion is fixed to the first barrel. The second magnetic portion is fixed to the second barrel. The first magnetic portion is opposite to the second magnetic portion. The first and second magnetic portions cooperatively drive the second barrel to move in the first barrel on the plane perpendicular to a central axis of the first barrel. The springs are elastically connected to the first barrel and to the second barrel, to provide a restoring force between the first barrel and the second barrel when the first barrel is not coaxial with the second barrel.

Abstract: A lens actuator includes a lens barrel for accommodating the lens, a coil wrapped around the lens barrel, a plurality of magnets, a bracket for mounting the magnets thereon and accommodating the lens barrel therein, and a resilient plate connected between the bracket and the lens barrel to hold the lens barrel on the bracket. A cutout is defined in the edge of the through hole of the plate shaped body corresponding to the respective fixing portions. The lens barrel includes a plurality of fasteners. Each of the fastener includes a shaft extending through the cutouts and protruded out from the lens barrel and a head extending radially outwardly of the shaft at the distal end thereof. The resilient plate and the lens barrel are gripped together by engagement of the cutouts with the respective fasteners.

Abstract: A lens actuator includes a lens barrel for accommodating the lens, a coil wrapped around the lens barrel, a plurality of magnets, a bracket, and a resilient plate. The bracket is configured for mounting the magnets thereon and accommodating the lens barrel therein. The resilient plate is connected between the bracket and the lens barrel to hold the lens barrel on the bracket. The bracket includes two ring shaped members parallel to each other, a plurality of supporting rods, and a plurality of magnet mounting holes. The supporting rods are interconnected between the two ring-shaped members. Each two neighboring supporting rods have one of the magnets mounted therebetween.

Abstract: A method for manufacturing a surface acoustic wave device comprises depositing a detecting material layer on a substrate, forming a predetermined pattern on the detecting material layer using a nanoimprint method to obtain a detecting film with a predetermined pattern formed thereon, and forming an input interdigital transducer and an output interdigital transducer on two opposite sides of the detecting material layer on the substrate, thus obtaining a surface acoustic wave device comprising the detecting film.

Abstract: A lens module includes a lens barrel, a ring-shaped magnetic member, and a lens. The magnetic member is received in and attached to the lens barrel. The lens includes a transparent central optical portion and a metallic peripheral portion. The metallic peripheral portion of the lens is magnetically attached to the magnetic member.

Abstract: A voice coil motor (VCM) actuator includes a fixed bracket, a lens barrel, two flat spring plates, a support plate, a plurality of positioning pins, a plurality of coils, and a plurality of magnets. The fixed bracket includes a first chamber and a plurality of magnet mounting holes. A lens barrel is positioned in the first chamber. The flat spring plates and the support plate include a plurality of first locating holes and second locating holes. Two resilient heads are formed on two ends of each positioning pin. Each positioning pin interconnects between respective first locating holes of the flat spring plates and respective second locating holes of the support plate. A plurality of coils are wrapped around an outer wall of the lens barrel. A plurality of magnets is received in the magnet mounting holes.

Abstract: A lens actuator includes a lens barrel for accommodating the lens, a coil wrapped around the lens barrel, at least one magnet, a bracket, and a resilient plate. The bracket is configured for mounting the magnets thereon and accommodating the lens barrel therein. The resilient plate is connected between the bracket and the lens barrel to hold the lens barrel on the bracket. The bracket includes an outer wall and an inner wall. At least one slit is defined between the outer wall and the inner wall. At least one opening is defined in the inner wall spatially corresponding to the at least one slit. The at least one magnet received in the at least one slit and exposed to an inside of the bracket through the at least one opening.

Abstract: A nanogenerator includes a first frame, a second frame, a first conductor, a second conductor, an array of nano-rods, and an array of electrodes. The second frame engages the first frame. The first conductor is fixed to a first inner surface of the first frame facing the second frame. The second conductor is fixed to a second inner surface of the second frame facing the first frame. The array of nano-rods extends from a first surface of the first conductor toward the second frame. The array of electrodes extends from a second surface of the second conductor toward the first frame. The array of electrodes corresponds to the array of nano-rods. The hardness of the array of electrodes is being greater than that of the array of nano-rods.

Abstract: A fixing device for a voice coil motor component includes a first clamp, a second clamp and a connecting element. The first clamp has a first surface which defines a first recess. The second clamp has a second surface which defines a second recess. The connecting element engages the first clamp and the second clamp to fix the voice coil motor component between the first clamp and the second clamp.

Abstract: A lens actuator includes a lens barrel for accommodating the lens, a coil wrapped around the lens barrel, a plurality of magnets, a bracket for mounting the magnets thereon and accommodating the lens barrel therein, and a resilient plate connected between the bracket and the lens barrel to hold the lens barrel on the bracket. A cutout is defined in the edge of the through hole of the plate shaped body corresponding to the respective fixing portions. The lens barrel includes a plurality of fasteners. Each of the fastener includes a shaft extending through the cutouts and protruded out from the lens barrel and a head extending radially outwardly of the shaft at the distal end thereof. The resilient plate and the lens barrel are gripped together by engagement of the cutouts with the respective fasteners.

Abstract: A display system for a vehicle includes an image capture module, a projecting panel and a stereoscopic projection device. The image capture module is configured for mounting on a vehicle and capturing an image of the traffic to the rear of the vehicle. The projecting panel is configured for being positioned in front of a driver's seat in the vehicle. The stereoscopic projection device is configured for projecting a stereo image of the captured image on the projecting panel.

Abstract: A method for manufacturing a surface acoustic wave device comprises depositing a detecting material layer on a substrate, forming a predetermined pattern on the detecting material layer using a nanoimprint method to obtain a detecting film with a predetermined pattern formed thereon, and forming an input interdigital transducer and an output interdigital transducer on two opposite sides of the detecting material layer on the substrate, thus obtaining a surface acoustic wave device comprising the detecting film.

Abstract: An exemplary electronic device includes a housing and a plurality of parallel bars. The housing defines a chamber therein and a heat-dissipating opening at one side thereof. The bars are configured for abating noises, and are received in the chamber and adjacent to the heat-dissipating opening. The bars are arranged in a two-dimensional crystal lattice.

Abstract: A lens actuator includes a lens barrel for accommodating the lens, a coil wrapped around the lens barrel, at least one magnet, a bracket, and a resilient plate. The bracket is configured for mounting the magnets thereon and accommodating the lens barrel therein. The resilient plate is connected between the bracket and the lens barrel to hold the lens barrel on the bracket. The bracket includes an outer wall and an inner wall. At least one slit is defined between the outer wall and the inner wall. At least one opening is defined in the inner wall spatially corresponding to the at least one slit. The at least one magnet received in the at least one slit and exposed to an inside of the bracket through the at least one opening.

Abstract: A portable electronic device includes a shell, a powering circuit, and solar cell. The shell includes a transparent section. The powering circuit is fixed in the shell and located facing the transparent section. The solar cell is connected to the powering circuit. When exterior light irradiates the transparent section, the solar cell converts the absorbed light into electrical voltage which is supplied to the portable electronic device to power functions thereof.

Abstract: A moveable assembly includes a frame, resilient suspension arms made of carbon nanotube bundles, and a moveable member. The frame is disposed around the moveable member. Each of the resilient suspension arms includes a first end fixed to the frame, and a second end connected to the moveable member. The resilient suspension arms are centro-symmetrically arranged relative to the moveable member such that the moveable member is capable of stably moving along a predetermined direction driven by an external force.

Abstract: A lens module includes a lens barrel, a ring-shaped magnetic member, and a lens. The magnetic member is received in and attached to the lens barrel. The lens includes a transparent central optical portion and a metallic peripheral portion. The metallic peripheral portion of the lens is magnetically attached to the magnetic member.