Abstract: A video card includes a graphics processing unit, a video interface, and a power interface. The graphics processing unit processes video signals that are not supported by a display device and generates display signals that are supported by the display device. The video interface transmits the display signals to the display. The power interface supplies a first voltage to the display device via the video interface, so as to power on the display device to display the display signals.

Abstract: A computer mouse includes a mouse device and a size-augmenting device. The mouse device includes a mouse body, a mouse button and a mouse roller mounted on a top side of the mouse body, and a sensing device mounted on a bottom side of the mouse body. The size-augmenting device includes a shell body defining a receiving slot for receiving the mouse body. The receiving slot extends through a top surface and a bottom surface of the shell body.

Abstract: An electronic card connector includes a tray, at least one latching member, a push rod and an ejection assembly. The tray defines a defined space for accommodating an electronic card and at least one notch. Each latching member comprises at least one fixing portion fixed to a housing and a bulge. Each bulge receives in one of the at least one notch to detachably engage the tray with the housing. The push rod includes a first hook. The ejection assembly includes a connecting rod having a second hook and an expansion bracket rotatably coupled to the connecting rod and resisting the tray. When the second hook is engaged with the first hook, the tray is engaged with the housing. When the first hook is disengaged from the second hook, the tray is driven to disengage from the housing by an elastic restoring force of the expansion bracket.

Abstract: A mounting apparatus for mounting a slide rail to either a first bracket or a second bracket includes a retaining member, a first locking member pivotably attached to the retaining member, and a second locking member pivotably attached to the first locking member. The retaining member includes a sidewall forming a positioning pole. The positioning pole includes a first positioning portion and a second positioning portion. When mounting the slide rail to the first bracket, the first positioning portion engages in a through hole of the first bracket, a first abutting portion abuts against the first bracket. When mounting the slide rail to the second bracket, the second positioning portion engages in a through hole of the second bracket, a second abutting portion and the first abutting portion engage with the second bracket.

Abstract: An electronic card holder includes a fixed member, a tray slidably attached to the fixed member and defines a notch thereon, and a latching member. The latching member includes a main body fixed to the fixed member, a pressing portion extending from the main body and a latching portion extending from the main body towards the fixed member. When the latching portion is received in the notch, the tray is engaged with the fixed member. When the latching portion is driven to move away the notch by an external pressure applied on the pressing portion, the tray is disengaged from the fixed member.

Abstract: An electronic device docking station is used to support an electronic device. The electronic device docking station includes a main portion and a keyboard. The main portion is rotatably connected to the keyboard. The main portion defines a receiving space and a receiving groove. The electronic device is received in the receiving groove. The keyboard can rotate between a closed position and a working position. When the keyboard is in the closed position, the keyboard is received in the receiving space. When the keyboard is in the working position, the keyboard and the main portion are substantially aligned in a plane. A base assembly is also provided.

Abstract: A system for testing a PSU includes an input control module, a voltage regulating module, and a load adjusting module. The input control module includes a microcontroller and a plurality of key switches connected to the microcontroller. The microcontroller is configured to receive input instruction from the plurality of key switches and output a control signal according to the input instruction. The voltage regulating module is configured to receive the control signal and generate an output voltage with a voltage value associated with the control signal. The load adjusting module includes a motor coupled to the output voltage of the voltage regulating module. The motor is rotatable in opposite direction to adjust an output current of the PSU. A rotating speed of the motor is in direct proportion to the voltage value of the output voltage.

Abstract: A connector assembly in a vending machine is disclosed. The connector assembly includes a connector body and a cable tie. The connector body includes a mounting case and a pivoting part. The mounting case defines a plurality of inserting holes configured for receiving a first end of cables. The pivoting part includes a connecting portion and a pivoting portion coupled to the connecting portion. The cable tie includes an installation portion defining a plurality of cable holes configured for receiving a second end of cables and a rotating end coupled to the installation portion and rotatably mounted in the pivoting portion. The cable tie is rotatable relative to the connector body to rotate the second end relative to the first end.

Abstract: An ExpressCard adapter able to accept a PCI-E-type or a USB-type ExpressCard in a single ExpressCard slot includes the ExpressCard slot, a PCI-E port, a data conversion unit, a switch unit, and a detection unit. The data conversion unit is connected to the PCI-E port, and converts between USB data and PCI-E data. The switch unit connects the ExpressCard slot to the PCI-E port or to the data conversion unit. The detection unit detects the type of ExpressCard which is inserted and controls the switch unit to connect the ExpressCard slot either to the PCI-E port or to the data conversion unit as required.

Abstract: An electronic device with a battery displays a label for indicating different power levels of the battery. The label comprises a plurality of columns. Each of the columns is capable of being illuminated. A number of the columns lighted correspond to a corresponding the power levels in a one-to-one relationship. The electronic device comprises a detection module, storage, an acquiring module, a check module, and a display module. The detection module detects the current voltage of the battery at regular intervals and stores the information in the storage. The acquiring module acquires a previous detected voltage from the storage. The check module checks whether the current voltage is a fluctuated voltage. The display displays the label with the numbers of the lighted columns corresponding to the power level which contains the previous detected voltage when the current voltage is a fluctuated voltage.

Abstract: A display device includes a casing, a display unit received in a front of the casing, and a connector assembly which can be rotated to be front-facing, for plugging in ancillary devices, and the connector assembly can be rotated back to hide the plugs of the ancillary devices and be hidden itself behind a front cover, to preserve the aesthetic appeal of the display device.

Abstract: The disclosure provides a voltage testing device and a method. A voltage testing device includes a PCB, a computer, and a detecting chip. The PCB includes a CPU socket, a signal producing chip, and a voltage regulator. The computer sets predetermined data. The detecting chip is inserted in the CPU socket. The detecting chip includes a reading module, a converting module, a sending module, and a control module. The signal producing chip sends a start-up signal to the control module. The converting module converts the predetermined data to SVID data. The sending module sends the SVID data to the voltage regulator. The voltage regulator sends a CPU voltage to the CPU socket. The voltage value testing device calculates a value of the CPU voltage to determine if the value of the CPU voltage associates with a voltage corresponding to the predetermined data.

Abstract: A USB OTG device includes a USB interface having a VBUS pin and an ID pin. A voltage input pin of a first switch is connected to a power source VDD5V. A voltage output pin of the first switch is connected to the VBUS pin and a second switch. The VBUS pin is connected to a power source Vcc. When the voltage at the ID pin is logic high, the voltage at an enable pin of the first switch is set to be logic high, the first switch is on, the second switch is off, thus the USB OTG device provides power to an external device. When the voltage at the ID pin is logic low, the voltage at the enable pin is set to be logic low, the first switch is off, the second switch is on, thus an external device provides power to the USB OTG device.

Abstract: An electronic device includes an earphone port, an audio amplifier, a digital processor, a multi-way selection switch, and an earphone detection response circuit. The earphone port includes left and right channel pins. The audio amplifier includes an earphone left channel output pin and an earphone right channel output pin. The digital processor includes a data transmission pin and a data receive pin. The multi-way selection switch includes four switches electrically connected between the data transmitting pin and the left channel pin, the data receive pin and the right channel pin, the earphone left channel output pin and the left channel pin, and the earphone right channel output pin and the right channel pin, respectively. The earphone detection response circuit turns on a first switch and a second switch, and turns off a third switch and a fourth switch when the earphone port does not receive an earphone.

Abstract: An auxiliary device includes a base, two rotatable arms, and an elastic member. The two arms are rotatably connected to the base and each includes a mating surface that defines a recess. The recesses of the two arms cooperatively form a through hole when the mating surface is in contact with each other. The through hole includes, from top to bottom, a first tapered hole portion, an annular groove, a second tapered hole portion, and a round hole portion. The annular groove is used to receive a head of a screw, and the round hole portion has a lateral surface is used to contact a shank of the screw to keep the screw upright. The elastic member is arranged between the two rotatable arms and applies a pushing force to the two rotatable arms.

Abstract: A connection apparatus includes a back plate, a circuit board having two first connectors and two second connectors, and two connection lines. Each of the two connection lines includes a first signal transmission line and a second signal transmission line. A third connector is formed on the first signal transmission line. Two first bent portions extend from the first signal transmission line. A fourth connector is formed on each of the two first bent portions. A fifth connector is formed on the second signal transmission line. Two second bent portions extend from the second signal transmission line. A sixth connector is formed on each of the two second bent portions. The fourth connector is inserted into each of the two first connectors. The sixth connector is inserted into each of the two second connectors. Each of the third connector and the fifth connector is electrically connected to the back plate.

Abstract: A method for manufacturing a touch panel includes the following procedures. A first conductive layer and a shielding layer surrounding the first conductive layer are formed on a base plate. The first conductive layer is etched to form a plurality of first and second sensing pads alternatively arranged according to columns. The first sensing pads in a column along a first direction are electrically coupled to each other to form a first sensing electrode column. The second sensing pads in a column along a second direction are electrically coupled to each other to form a second sensing electrode column. A second conductive layer is formed on the shielding layer via an ink jet printing method, and is etched to form a plurality of first and second sensing lines to be respectively electrically coupled to the first and second sensing electrode columns.

Abstract: An electronic device includes a body, a disc cover, a button, at least one guiding post, at least one first hook and a number of resisting elements, and a button securing structure. The button securing structure defines a button groove for receiving the button and includes at least one sleeve, a sliding bar, and an elastic element. The button groove includes a sidewall detachably clasped by the first hooks. The sleeve defines a pivot hole defining at least one groove containing lubricant on its inner wall. The sliding bar is slidably coupled to the body and detachably clasps the disc cover. One end of the sliding bar resists against the resisting elements. The elastic member includes one end clasped by a clasping member protruding from the sliding bar, and an opposite end being clasped by a second hook protruding from the body.

Abstract: A locking apparatus is configured to lock a first panel and a second panel to a computer device. The locking apparatus includes a lock rotatable between a first position and a second position, a mounting panel, a driving lever pivotably attached on the mounting panel, a blocking member attached to the mounting panel, and a latch member. When moved to the first position, the rotatable post rotates the driving lever, the driving lever pushes the latch member to unlatch from the second panel, and the rotatable post is disengaged from the blocking member to unlock the first panel. When moved to the second position, the rotatable post is blocked by the blocking member for locking the first panel, the driving lever is rotated to its original position, and the latch member latches the second panel.

Abstract: A printed circuit board (PCB) includes a ground layer, a first layer, a second layer, a connector footprint, and a pair of differential signal lines. The connector footprint comprises first and second bonding pads. The PCB defines a first signal via in a central portion of a space bounded by the first bonding pad, and a second signal via in a central portion of a space bounded by the second bonding pad. A number of first ground vias on the first bonding pad and a number of second ground vias on the second bonding pad are electrically connected to the ground layer. First annular slots surrounding corresponding first ground via are defined in the ground layer. Second annular slots surrounding corresponding second ground vias are defined in the ground layer. Connection slots are defined in the ground layer and communicate between the first annular slots and the second annular slots.