Abstract: An exemplary portable electronic device includes a main body defining a shaft receiving hole an inner surface in the shaft receiving hole, a camera unit mounted on the main body, and a fastening member. The camera unit includes a camera module, and a shaft connected with the camera module. The shaft is rotatably received in the hole, and axially movable relative to the main body. The inner surface and the shaft cooperatively define a wedge-shaped space. The fastening member includes an elastic portion. The elastic portion is slidable between a first position where the elastic portion is engaged in a narrow end of the space, and the shaft is securely fastened to the main body by the elastic portion, and a second position where the elastic portion is disengaged from the narrower end of the space, and the shaft is unfastened from the main body.

Abstract: An exemplary apparatus for detecting stray light in an lens module includes a worktable having a top surface, a protractor dial defined in the top surface, a lens module supporting seat on the top surface, a light source supporting seat on the top surface, a track defined in the top surface along a circumference of the dial, a light source on the light source supporting seat, an image pick-up unit. The dial includes an origin point and many scale lines. The lens module supporting seat is arranged on the top surface at the origin point for supporting the lens module. The light source is movable along the track, and configured for emitting light along a scale line towards the lens module. The image pick-up unit is configured for capturing images of the light from the light source through the lens module at respective different incident angles.

Abstract: An apparatus for assembling a lens module, is provided. The lens module includes a lens and a lens holder for receiving the lens. The lens holder has a through hole and a retainer formed in the through hole. The apparatus includes a base for supporting the lens holder, and a supporter formed on the base, for extending through the through hole of the lens holder and supporting the lens thereon. A height of the supporter is greater than a depth of the through hole of the lens holder. The supporter is movable relative to and away from the lens holder so as to place the lens on the retainer in the through hole of the base.

Abstract: An auxiliary device for measuring the coaxiality of a lens. The auxiliary device includes a cylindrical main body having a first surface and a flat second surface facing away the first surface, and a protrusion formed on the first surface and defining a reference convex surface. The second surface of the main body defines a position part. The position part is coaxial with the reference convex surface and configured to engage with the lens to measure the coaxiality of the lens.

Abstract: A headset includes a substantially U-shaped frame, two speakers mounted at two ends of the substantially U-shaped frame, an infrared emitter, and an infrared receiver facing the infrared emitter. The infrared emitter is configured for emitting infrared light towards the infrared receiver. The infrared receiver is configured for receiving the infrared light from the infrared emitter and for generating a pause signal after the infrared light is continuously received by the infrared emitter for a first predetermined time. The headset is configured to stop working according to the pause signal.

Abstract: A cursor control device includes a detection module having an image capturing unit defining a detectable region, an information identifying module including an information storage unit and an information comparing unit, and a signal processing unit. The information comparing unit is configured for identifying the object by comparing a captured image of the object with the predetermined images stored in the information storage. The detection module is configured for analyzing the captured successive images to determine the movement track of the identified object. The signal processing unit is configured for generating a cursor control signal based on the movement track signals. An apparatus, such as a mobile phone using the cursor control device is also provided.

Abstract: A trimming apparatus includes a base, a ridge portion protruding from the base, a sliding block mounted on the base, a fixing member, and a trimming tool. The base defines a sliding groove. The sliding block is slidably engaged in the sliding groove and defines a holding groove receiving a workpiece to be trimmed. The fixing member is fixes the sliding block in the sliding groove. The trimming tool is arranged over the base. The trimming tool has a main body and a blade facing and aligned with the ridge portion, and moves toward the ridge portion to trim the workpiece.

Abstract: A portable electronic device includes a main body defining a receiving cavity therein, a camera module received in the receiving cavity, and a movable moveable lens. The camera module includes a casing and a wide-angle lens unit received in the casing. The movable lens is received in the receiving cavity and spaced a distance from the camera module. The movable lens is movable between a first position where the wide-angle lens unit is covered by and optically aligned with the movable lens, thereby the movable lens and the wide-angle lens unit cooperatively constituting a telephoto lens, and a second position where the wide-angle lens unit is misaligned with the movable lens and exposed to an exterior.

Abstract: An imaging apparatus includes a first lens has a positive refractive power, a second lens has a positive refractive power, a third lens has a negative refractive power, a fourth lens has a negative refractive power, an image sensor and a driving device. The first lens, the second lens, the third lens, the fourth lens and the image sensor are arranged in the order written along an optical axis of the imaging apparatus from the object side to the image side thereof. The driving device is connected to the second lens and configured for driving the second lens to move toward the object side to perform a zoom-in function of the imaging apparatus.

Abstract: An artificial eye includes a supporter, a first clipping member, a second clipping member and an electroactive pupil. The second clipping member is positioned on the supporter. A peripheral portion of the second clipping member is positioned on a peripheral portion of the first clipping member. A gap is defined between the first and second clipping members. The electroactive pupil is positioned in the gap and contacts the first and second clipping members.

Abstract: An eye is disclosed, which includes a spherical shell, a transparent body, a movable plate suspended inside the spherical shell, an elastic body disposed between the transparent body and the movable plate, and an electromagnetic driving device. The electromagnetic driving device drives the movable plate close to or away from the elastic body, and the elastic body is deformed when the electromagnetic driving assembly drives the movable plate.

Abstract: A display system for a vehicle includes an image capture module, a control module, and a display module. The image capture module includes a left camera and a right camera mounted on left and right sides of the vehicle to capturing images of surrounding traffic. The control module includes a receiving unit which receives the images of surrounding traffic captured by the left camera or the right camera, and a generating unit which generates a first displaying signal after the receiving unit receiving the images of surrounding traffic from the left camera and generates a second displaying signal after the receiving unit receiving the images of surrounding traffic from the right camera. The display module displays the dynamic images of traffic captured by the left and right cameras when receiving the displaying signals.

Abstract: An imaging apparatus includes a first lens has a positive refractive power, a second lens has a positive refractive power, a third lens has a negative refractive power, a fourth lens has a negative refractive power, an image sensor and a driving device. The first lens, the second lens, the third lens, the fourth lens and the image sensor are arranged in the order written along an optical axis of the imaging apparatus from the object side to the image side thereof. The driving device is connected to the second lens and configured for driving the second lens to move toward the object side to perform a zoom-in function of the imaging apparatus.

Abstract: A portable electronic device includes a main body defining a receiving cavity therein, a camera module received in the receiving cavity, and a movable moveable lens. The camera module includes a casing and a wide-angle lens unit received in the casing. The movable lens is received in the receiving cavity and spaced a distance from the camera module. The movable lens is movable between a first position where the wide-angle lens unit is covered by and optically aligned with the movable lens, thereby the movable lens and the wide-angle lens unit cooperatively constituting a telephoto lens, and a second position where the wide-angle lens unit is misaligned with the movable lens and exposed to an exterior.

Abstract: A handwriting input system includes a handwriting input device, a visible light sensing member, an infrared sensing member, and a receiving member. The handwriting input device includes a writing head and an infrared light source adjacent to the writing head. The writing head is capable of leaving color distinguishable traces on an object. The visible light sensing member is configured for capturing images of handwriting traces. The infrared sensing member is configured for capturing images of movement track of the infrared light source. The visible light sensing member and the infrared sensing member are slidably installed on the receiving member.

Abstract: A lens module includes a lens barrel, a first lens, an opaque plate, and a second lens. The first lens includes an imaging portion and a non-imaging portion surrounding the imaging portion. The non-imaging portion defines an annular conic surface. The opaque plate is annular conic shaped and contacts with the annular conic surface. The second lens includes an imaging portion and a non-imaging portion surrounding the imaging portion. The object-side surface of the non-imaging portion of the second lens is step-like shaped and includes at least two step surfaces. A junction of two adjacent step surfaces abuts against the opaque plate.

Abstract: A portable electronic device includes a camera module and a main body. The camera module includes a housing, a lens received in the housing, an image sensor received in the housing for capturing an image of an object, a first ferromagnetic or magnetic element fixed to the housing, a plurality of metallic connecting pins electrically connected to the image sensor and exposed at an opposite side of the image sensor to the lens. The main body includes a printed circuit board, and a second ferromagnetic or magnetic element. The camera module is detachably coupled to the main body in a manner that the first ferromagnetic or magnetic element is magnetically attached to the second ferromagnetic or magnetic element, and the metallic connecting pins are electrically coupled to the printed circuit board.

Abstract: A shutter includes a first light-pervious electrode, a second light-pervious electrode, a light-shielding layer sandwiched between the first and second light-pervious electrodes and a voltage supplying system. The light-shielding layer is comprised of an electrostrictive material. The light-shielding layer has a fixed end positioned adjacent to one edge of the first light-pervious electrode, and a free end facing toward the opposite edge. The free end is extendable towards the opposite edge of the first light-pervious electrode to block light from in response to a voltage applied to the light-shielding layer. The voltage supplying system is electrically connected with the first and second light-pervious electrodes for supplying a voltage between the first and second light-pervious electrodes.

Abstract: A portable electronic device includes a main body, a number of ball bearings, a spherical retaining member and a camera module. The main body includes a cavity formed therein, and a number of recesses formed in inner walls of the cavity and in communication with the cavity. The ball bearings are received in the respective recesses. The spherical retaining member is located in the cavity and is in contact with the ball bearings. The spherical retaining member defines a receiving space therein and an opening in communication with the receiving space. The camera module is received in the receiving space and facing the opening, the camera module is retained by the spherical retaining member in a manner such that the camera module is rotated by rotating the spherical retaining member relative to the ball bearings.

Abstract: An exemplary computer system includes a monitor, a wireless optical pen, a camera module, and a host. The wireless optical pen is configured for projecting an infrared light spot and emitting two visible light beams having different wavelengths to project two visible light spots. The camera module is mounted to the monitor and is configured for capturing images of movement tracks of the infrared light spot and capturing images of the two visible light spots. The host is configured for controlling a movement of a displayed cursor on the monitor and implementing a right-click input or a left-click input according to the images of the movement tracks of the infrared light spot and the images of one of the two visible light spots.