Abstract: An electrical connector includes a base and a fixing assembly. The assembly includes a shaft, at least one positioning post, and at least one connecting bar. The shaft is slidably connected to the base and able to slide toward a first direction. The at least one positioning post is slidably connected to the base and able to slide toward a second direction. A threaded pole protrudes from each of the at least one positioning post. Ends of each of the at least one connecting bar is rotatably connected to the shaft and one of the at least one positioning post, respectively. The sliding of the shaft toward the first direction causes the at least one positioning post to slide toward the second direction, and when the shaft is caused to slide from a first position to a second position, the at least one threaded pole engages another electrical connector.

Abstract: An electronic device includes a first and a second air passages. A first and a second electronic components locate in the first and second air passages, respectively. A first heat sink includes a first heat dissipation portion contacting the first electronic component and located in the first air passage and a second heat dissipation portion located in the second air passage. A second heat sink includes a first heat dissipation portion contacting the second electronic component and located in the second air passage and a second heat dissipation portion located in the first air passage. The first heat dissipation portion of the first heat sink aligns with the second heat dissipation portion of the second heat sink and the second heat dissipation portion of the first heat sink aligns with the first heat dissipation portion of the second heat sink along a flowing direction of the t air passage.

Abstract: A tool compensation system for adjusting parameters of a tool includes a controller and a selecting module. The controller includes a storing module, an invoking module, and a compensation module. The storing module is configured for storing serial numbers and data tables of a first and a second tools. Each data table of the first and second tools includes a plurality of first dimensional parameters and a plurality of second dimensional parameters. The selecting module is capable of selecting a tool for machining by selecting the serial number of the tool. The invoking module is configured for invoking the second dimensional parameters according to the first dimensional parameters of a tool selected by the selecting module. The compensation module is configured for adjusting machining parameters of the selected tool according to the second dimensional parameters.

Abstract: A power supply saving system includes a power input interface, a power output interface, an alternating current/direct current (AC/DC) converter, a relay, a relay driving circuit, a trigger, and a timing sequence circuit. The AC/DC converter is capable of transforming the AC power signal to direct current (DC) power to supply to the relay, the relay driving circuit, the trigger, and the timing sequence circuit. The timing sequence circuit is capable of controlling the relay driving circuit via the trigger to turn on the relay to connect the power input interface to the power output interface when the timing sequence circuit receives a power-on signal. The timing sequence circuit is capable of controlling the relay driving circuit via the trigger to turn off the relay to cut off connection between the power input interface and the power output interface when the timing sequence circuit receives a power-off signal.

Abstract: A measuring device includes a transfer sleeve, an assist assembly, and a caliper gauge. The transfer sleeve includes two end surfaces and a side surface; the sleeve defines a transfer hole along the longitudinal direction thereof and perpendicular to the end surfaces, and the transfer hole passes through two end surfaces; the transfer sleeve defines a screw hole along the transversal direction thereof in the side surface and communicates with the transfer hole. The assist assembly is screwed in the screw hole, and includes a screw rod, a spring element, and a ball; the screw rod defines a receiving hole therein; the spring element and the ball are inserted into the receiving hole in sequence. The caliper gauge includes a base plate and two side plate extending upright from opposite edges of the base plate correspondingly.

Abstract: A portable electronic device includes a main body and a card connector assembly mounted inside of the main body. The card connector assembly includes a base including a protrusion and a protrusion plate, a cover, and a movable plate. The protrusion includes a plurality of contacts. The protrusion plate includes an electromagnet. The cover is rotatably connected to the base, and includes a retaining member for retaining an electronic card. The movable plate is slidably connected to the protrusion plate, and is made of magnetic material. When in use, the cover is rotated until the electronic card contacts the contacts, the electronic device controls to power for the electromagnet, the electromagnet generates a magnetic field which drives the movable plate to slide toward the protrusion along the protrusion plate until the movable plate moves below the cover to prevent the cover from rotating in one direction.

Abstract: A focusing device includes a vertical-synchronization-signal generator generating a vertical-synchronization-signal sequence including vertical synchronization signals, an excitation-sequence generator generating an excitation sequence according to the vertical-synchronization-signal sequence and applying excitation according to the excitation sequence, and a driving module driving a lens of an imaging system according to the excitation sequence. Vertical-synchronization-signal times are formed between two adjacent vertical synchronization signals. A first vertical-synchronization-signal time and a last vertical-synchronization-signal time are formed at a beginning and an end of the vertical-synchronization-signal sequence respectively. Each vertical-synchronization-signal time includes a sub time and an exposure time arranged sequentially.

Abstract: An elastic sheet structure including a fixing section, a body section perpendicularly connected to the fixing section, an elastic section, and two support sections is provided. The elastic section perpendicularly connects to the body section so that a portion of the elastic section is substantially parallel to the fixing section. Two support sections perpendicularly connect to two opposite sides of the body section. The support sections are supported by the fixing section, and are higher than the body section concurrently with respect to the fixing section. The elastic section is located between and movable with respect to the two support sections, and a top of the elastic section is higher than a top of each support section concurrently with respect to the fixing section. Further, an array type elastic sheet device using the elastic sheet structure is also provided.

Abstract: An electronic device includes a main body, a cover, and two supports. The main body defines two receiving slots. The cover is hinged on the main body. The supports are slidably connected to the main body, capable of being entirely received in the receiving slots or protruding out of the main body, in response to positions of the cover.

Abstract: An automatic shut off apparatus for an electronic device includes an input circuit, a timing circuit, a control circuit, and a switch circuit. The input circuit is to receive a designated power-off time delay for the electronic device. The control circuit is to receive the designated power-off time delay from the input circuit, and output a control signal. The timing circuit is to time according to the control signal, and output an instruction signal in response to designated power-off time being reached. The switch circuit is to shut off power of the electronic device according to the instruction signal.

Abstract: A lens module includes a lens barrel and a lens holder. The lens barrel includes a barrel. The barrel includes an outer surface and an outer thread portion formed on the outer surface. The lens holder includes a main body. The main body defines a receiving space to receive the lens barrel. An inner thread portion matching the outer thread portion is formed on an inner surface of the receiving space. The angle between the outer surface of the lens barrel and an optical axis of the lens module is different from the angle between the inner surface of the receiving space and the optical axis of the lens module.

Abstract: A slide mechanism (20) includes a rear cover (22), a front cover (24) slidably connected to the rear cover, and at least two magnetic members positioned on the rear cover and the front cover respectively. The front cover can be opened/closed relative to the rear cover semi-automatically via a magnetic force created by the at least two magnetic members. One of the front cover and the rear cover forms at least one protruding portion, and the other one of the front cover and the rear cover defines at least one recessed portion for engaging with the protruding portion. When the front cover is slid to an opened or closed position, the at least one protruding portion engages in the at least one recessed portion correspondingly.

Abstract: A universal serial bus (USB) interface is used to connect to a USB device. When the driving pole of the USB interface is pressed, the conductive washer of the USB interface is driven to move away from the first terminal and the second terminal of the positive differential signal pin of the USB interface, an electrical connection between the first and second terminals of the positive differential signal pin is cut. When the driving pole is loosed, the conductive washer returns back, to contact the first terminal and the second terminal of the positive differential signal pin, the first and second terminals of the positive differential signal pin are thus electrically connected.

Abstract: A media fixing device includes a stationary plate, a bar linking member, a main pressure plate, an elastic member, an auxiliary plate and a pivot rod. The bar linking member is configured for movably connecting the main pressure plate. The elastic member is configured for movably connecting the main pressure plate to the stationary plate. The pivot rod is configured for pivoting the auxiliary plate on the main pressure plate.

Abstract: An LED illuminating device includes a first LED illuminating module, a second LED illuminating module, and a connecting module. The first LED illuminating module includes a first substrate and a first group of LEDs mounted on the first substrate. The second LED illuminating module includes a second substrate carrying a second group of LEDs, a wedge shaped light guide, and a reflector. The second substrate and the reflector defines a fan shaped space therebetween to receive the wedge shaped light guide, and the projections of the first substrate and the second substrate are spaced to each other. The LED illuminating device has a large light divergence angle and good heat dissipation ability.

Abstract: A mounting apparatus is provided for mounting a slide rail to a fixed structure includes a mounting bracket fixed to the slide rail, an actuating member slidably attached to the mounting bracket, at least one blocking member extending from the actuating member, a locking member deformably attached to the mounting bracket, and a resilient member connecting between the mounting bracket and the actuating member. The actuating member is slidable between a first position to maintain securing of the mounting bracket to the support, and a second position to allow release the mounting bracket from the support. The locking member comprises at least one first abutting end releasably abutting the blocking member to maintain the actuating member in the first position, and at least one second abutting end releasably abutting the blocking member to maintain the actuating member in the second position. The resilient member biases the actuating member to the first portion.

Abstract: A test system for testing various functions of electronic devices includes a master device and a simulation control device. The master device is connected to an input device and the electronic devices through the simulation control device. The master device records input signals of the input device and generate simulation signals according to the input signals. The simulation control device simulates the input signals of the input device according to the simulation signals to test the electronic devices.

Abstract: A power control circuit for supplying power for a computer component of a computer includes first to sixth switches. In response to the computer changing to a normal work state, a power state signal changes from low level to high level and a motherboard state signal is at high level, the fourth switch is turned on, the fifth switch is turned off, and the sixth switch is turned on, and power of the computer component is stably supplied by a system power supply. The motherboard state signal and the power state signal are at low level in response to the computer changing to a sleep state, the second switch is turned off, the first and third switches are turned on, and power of the computer component is stably supplied by a standby power supply.