Abstract: A light source assembly includes a light source, a seat, and a wire structure. The seat includes an electrical pin electrically connected to the light source. The wire structure includes a connecting wire. The connecting wire includes a wire and a protecting pipe. The protecting pipe is made of high-temperature resistance material and sleeved on one end of the wire. The end of the wire sleeved with the protecting pipe is connected to the electrical pin.

Abstract: A zoom lens adjustment structure includes a substrate, a focus device and a driving device. The focus device is mounted on the substrate, and includes a stationary lens barrel, a outside guide lens barrel, and a cam lens barrel. The outside guide lens barrel is received in the stationary lens barrel, the cam lens barrel is set at the inner side of the outside guide lens barrel, and plurality of active lens barrels are sandwiched between the outside guide lens barrel and the cam lens barrel. The active lens barrel includes a lens set. The driving device includes a motor and a gear group, which is positioned laterally to the stationary lens barrel, to drive the focus device adjusting the position of the active lens.

Abstract: A zoom lens includes a fixing barrel, a cam barrel, a guide barrel, a first lens group, a second lens group, and a third lens group. The cam barrel is rotatably received in the fixing barrel. The guiding barrel is movably received in the fixing barrel and partially receives the cam barrel. The guiding barrel is moveable along an optical axis of the zoom lens following the motion of the cam barrel. The first lens group is rotatably received in the guiding barrel. The second lens group is rotatably received in the cam barrel. The first and second lens groups move along the optical axis following the rotation of the cam barrel. The third lens group is aligned with the first and second lens groups, and driven by a driver to be movably received in the fixing barrel and moveable along the optical axis of the zoom lens.

Abstract: A zoom lens adjustment structure includes a substrate, a focus device and a driving device. The focus device is mounted on the substrate, and includes a stationary lens barrel, a outside guide lens barrel, and a cam lens barrel. The outside guide lens barrel is received in the stationary lens barrel, the cam lens barrel is set at the inner side of the outside guide lens barrel, and plurality of active lens barrels are sandwiched between the outside guide lens barrel and the cam lens barrel. The active lens barrel includes a lens set. The driving device includes a motor and a gear group, which is positioned laterally to the stationary lens barrel, to drive the focus device adjusting the position of the active lens.

Abstract: A light source assembly includes a light source, a seat, and a wire structure. The seat includes an electrical pin electrically connected to the light source. The wire structure includes a connecting wire. The connecting wire includes a wire and a protecting pipe. The protecting pipe is made of high-temperature resistance material and sleeved on one end of the wire. The end of the wire sleeved with the protecting pipe is connected to the electrical pin.

Abstract: A device includes a receiving container, an elastic element, and a loading block. The receiving container includes a first supporting surface, a second supporting surface, a fixing surface and a resisting surface. The first and second supporting surfaces perpendicularly connect to each other. The resisting surface connects to the first supporting surface. The fixing surface connects to the second supporting surface. The elastic element includes a first rail positioned on the first supporting surface, a second rail positioned on the second supporting surface, a first sliding block slidably positioned on the first rail, a second sliding block slidably positioned on the second rail, a spring connected between the fixing surface and the second sliding block, and a connecting pole connected between the first and second sliding blocks. The loading block is positioned on the first sliding block and faces the resisting surface.

Abstract: A zoom lens includes a first lens unit, a second lens unit, a third lens unit and a fourth lens unit. The third lens unit includes a movable barrel, a first slidable member able to move in a first direction perpendicular to the optical axis, and a second slidable member able to move along a second direction perpendicular to the optical axis and also perpendicular to the first direction. The movable barrel includes a first Hall member and a first coil, the first slidable member comprises a second Hall member and a second coil. A first magnet is aligned with the first coil, and a second magnet is aligned with the second coil, both coils can be independently energized to compensate any shaking movements experienced by the Hall members.

Abstract: A USB flash drive includes a USB connector, a latch, and a socket. The USB connector is rotatably connected to the socket and includes a first spring to drive the USB connector to rotate from a folded state in which the USB connector is received in the socket, to an unfolded state in which the USB connector is out of the socket. The latch is positioned in the socket and includes a sliding cap and a second spring. The second spring is configured for driving the sliding cap to slide towards the USB connector when in the folded state, to latch the USB connector. The latch also includes a restraining rod and a third spring. The restraining rod is configured for restraining the sliding cap in the unfolded state under the control of the third spring but when in the folded state releases the sliding cap when pressed by the USB connector.

Abstract: Provided is a lens module for imaging an object on an image plane. In the order from the object side to the image side of the lens module, the lens module includes a first lens made of glass and having positive refraction power, a second lens made of plastic and having negative refraction power, a aperture stopper, a third lens having positive refraction power, and a fourth lens having negative refraction power. The lens module satisfies the following formula: Vd1?Vd2?35; wherein, Vd1 is the Abbe number of the first lens in d light and Vd2 is the Abbe number of the second lens in the d light.

Abstract: A projection lens system, in the order from a magnified side to a reduced side, includes a first lens group with negative refraction power and a second lens group with positive refraction power. The projection lens system satisfies the formulas: ?1.55<F1/F2<?1.12; wherein F1 is the effective focal length of the first lens group, and F2 is the effective focal length of the second lens group.

Abstract: A battery cover includes an inner assembly and an outer assembly. The inner assembly includes an upper board defining an L-shaped groove, a bottom board screwed connected with the upper board; and a metal dome fixed between the upper board and the bottom board to pass throughout the bottom board for contacting the battery compartment. The outer assembly includes a front cover defining a first opening thereon, a slide button receiving in the first opening and the L-shaped groove of the upper board to slidably move along the L-shaped groove.

Abstract: A camera includes an image sensor, a storing module, an infrared shutter module, and a controlling module. The image sensor converts light rays projected thereon to digital image signals. The storing module is for storing the digital image signals. The infrared shutter module includes an infrared emitter and an infrared receiver adjacent to the infrared emitter, and when infrared rays emitted from the infrared emitter are transmitted into the infrared receiver, the infrared shutter module outputs a triggering signal. The controlling module electrically connects to the image sensor, the storing module, the infrared shutter module and stores the digital image signals in the storing module when receiving the triggering signal.

Abstract: A zoom lens includes, in the order from the object-side to the image-side thereof, a first lens group of a negative refractive power, a second lens group of a positive refractive power, and a third lens group of a positive refractive power. The first lens group includes, in the order from the object-side to the image-side thereof, a first lens of negative refractive power, and a second lens of positive refractive power. The second lens group includes, in the order from the object-side to the image-side thereof, a third lens of positive refractive power, a fourth lens of negative refractive power, and a fifth lens of negative refractive power.

Abstract: A projection lens system, in the order from a magnified side to a reduced side, includes a first lens group with negative refraction power and a second lens group with positive refraction power. The projection lens system satisfies the formulas: ?1.55<F1/F2<?1.12; wherein F1 is the effective focal length of the first lens group, and F2 is the effective focal length of the second lens group.

Abstract: A zoom lens includes a first lens unit, a second lens unit, a third lens unit and a fourth lens unit. The third lens unit includes a movable barrel, a first slidable member able to move in a first direction perpendicular to the optical axis, and a second slidable member able to move along a second direction perpendicular to the optical axis and also perpendicular to the first direction. The movable barrel includes a first Hall member and a first coil, the first slidable member comprises a second Hall member and a second coil. A first magnet is aligned with the first coil, and a second magnet is aligned with the second coil, both coils can be independently energized to compensate any shaking movements experienced by the Hall members.

Abstract: A wide-conversion lens, in order from the object-side to the image-side, includes a first lens with negative refraction power, a second lens with negative refraction power, a third lens with positive refraction power, a fourth lens with positive refraction power, and a fifth lens with negative refraction power. The first lens includes a surface facing the object side. The wide-conversion lens satisfies the following conditions: R1<0; Vd2?Vd1?19; Vd2?Vd3?35. Wherein, R1 is the curvature radius of the surface of the first lens; Vd1 is the Abbe number of the first lens; Vd2 is the Abbe number of the second lens; Vd3 is the Abbe number of the third lens.

Abstract: A projection lens includes, in order from the magnification end to the minimization end thereof: a first lens group of a negative refractive power; and a second lens group of a positive refractive power. The projection lens satisfies the formula: 0.061<F/L<0.078; where F represents the effective focal length of the projection lens and L represent the total length of the projection lens.

Abstract: A USB flash drive includes a USB connector, a latch, and a socket. The USB connector is rotatably connected to the socket and includes a first spring to drive the USB connector to rotate from a folded state in which the USB connector is received in the socket, to an unfolded state in which the USB connector is out of the socket. The latch is positioned in the socket and includes a sliding cap and a second spring. The second spring is configured for driving the sliding cap to slide towards the USB connector when in the folded state, to latch the USB connector. The latch also includes a restraining rod and a third spring. The restraining rod is configured for restraining the sliding cap in the unfolded state under the control of the third spring but when in the folded state releases the sliding cap when pressed by the USB connector.

Abstract: A zoom lens includes a first lens, a first lens barrel, a shutter assembly, and a guide barrel. The first lens barrel houses the first lens. The shutter assembly is positioned on a distal end of the first lens barrel toward an object side of the zoom lens. The guide barrel is received in the first lens barrel and configured for guiding the first lens barrel to move along the optical axis of the zoom lens.

Abstract: A zoom lens includes, in the order from the object-side to the image-side thereof, a first lens group of a negative refractive power, a second lens group of a positive refractive power, and a third lens group of a positive refractive power. The first lens group includes, in the order from the object-side to the image-side thereof, a first lens of negative refractive power, and a second lens of positive refractive power. The second lens group includes, in the order from the object-side to the image-side thereof, a third lens of positive refractive power, a fourth lens of negative refractive power, and a fifth lens of negative refractive power.