Abstract: A heat dissipation device includes a base, at least one heat pipe, and a fin assembly. The base is substantially planar. The base includes a first interface and a second interface opposite to the first interface. The first interface is adapted to contact a heat element. The base defines a slot at the second interface. The at least one heat pipe is received in the slot. The fin assembly contacts the second interface and the at least one heat pipe simultaneously.

Abstract: A fan assembly includes a rack, a shield, and a fan. The rack defines a first vent opening and a second vent opening aligned with the first vent opening. The shield is mounted in the rack and aligned with the first vent opening. The shield defines a frame opening corresponding to the first vent opening. A plurality of shielding pieces are pivotally mounted in the frame opening and adapted to use gravity to shield the frame opening. The fan is mounted in the rack and aligned with the second vent opening and the shield. The fan generates air flows flowing through air passages between each adjacent two of the plurality of shielding pieces, and that the plurality of shielding pieces are rotated by the air flows.

Abstract: An electronic device includes a display module, a motherboard, a heat dissipating device, a case, and a cover. The motherboard is secured on the display module. A first heat generating member is secured to the motherboard. The heat dissipating device is secured to the motherboard. The heat dissipating device includes a heat sink and a heat pipe secured to the heat sink. The heat pipe capable of transferring heat generated from the first heat generating member to the heat sink. The case is secured to the display module and covers the motherboard. A fan module is secured to the case above the first heat generating member and capable of directing air out of the case. The cover is secured to the display module and covers the heat dissipating device and the case. The heat sink is located in the case and out of the cover.

Abstract: An exemplary electronic device includes a front cover, a display screen and two speakers located on the back surface, and a back plate abutting against the display screen and two speakers. Five fasteners extend backwardly from a back surface of the front cover. Each of the fasteners includes a connecting plate extending backwardly from the back surface and a top plate formed at a free end of the connecting plate. Five latching tabs are formed on the back plate corresponding to the fasteners. Each of the latching tabs includes a latching tip latched between the top plate of the corresponding fastener and the back surface of the front cover. The back plate abuts against the display screen and the two speakers, thus mounting the display screen and the two speakers on the front cover.

Abstract: A computer and method tests a watchdog timer of a baseboard management controller (BMC) of a motherboard. The computer obtains a count value from the watchdog timer. The computer calculates an accuracy value according to a beginning time of countdown, and a stop time of the countdown. The computer determines if the accuracy value falls within the predetermined qualification range and displays a determination on a display device of the computer.

Abstract: A resistance determining system is used to determine an offsetting resistance of a mainboard to establish a predetermined offset voltage. The system includes an input equipment, a single-chip, and a resistor. The input equipment sets a predetermined standard voltage of the mainboard. The resistor supplies the mainboard with various resistances, to adjust real output voltage of the mainboard. The single-chip monitors the real output voltage of the mainboard, and adjusts the resistance of the resistor until the difference between the real output voltage and the predetermined standard voltage is equal to a predetermined offset voltage.

Abstract: A coated article is described. The coated article includes a substrate, a bonding layer formed on the substrate, a plurality of nickel-chromium-nitrogen layers and a plurality of copper-cerium alloy layers formed on the bonding layer. The bonding layer is a nickel-chromium layer. Each nickel-chromium-nitrogen layer interleaves with one copper-cerium alloy layer. One of the nickel-chromium-nitrogen layers is directly formed on the bonding layer. A method for making the coated article is also described.

Abstract: An electronic device includes a main body, a hinge assembly, and a decorative cover. The main body includes a holder and a holder cover. The holder cover defines an opening at a lateral side thereof and a first notch at a middle portion of the lateral side communicating with the opening. An elastic arm extends from an inner wall of the holder cover to the opening. The elastic arm defines a receiving hole. The hinge assembly includes a connecting portion inserted in the opening of the main body, and a pivot extending through the first notch for connecting to a display. The decorative cover covers the hinge assembly. The decorative cover includes a projection engaged into the receiving hole of the elastic arm to fixedly mount the decorative cover on the holder cover.

Abstract: A hinge mechanism for securing to the body of an electronic device. The hinge mechanism includes a fixing plate. A holding member and two latching members project from the base of the electronic device. An end of the holding member opposite to the base bends toward the at least one latching member to form a latching portion. Each latching member includes a connecting portion projecting from the base, a supporting portion bending from an end of the connecting portion opposite to the base, and a hook arranged at a side of the supporting portion opposite to the connecting portion. The holding member cooperates with the supporting portion to define a clearance for holding the fixing plate, the hooks cooperate with the holding member to secure the fixing plate to the body.

Abstract: An electronic device includes a housing and a mounting apparatus. The mounting apparatus is received in the housing. The mounting apparatus includes a casing and an operating assembly. The casing includes a front wall defining a slot. The operating assembly is received in the casing, and includes a handle, an elastic member, and an operating plate. The handle is pivotably connected to the casing. A portion of the handle can extend out of the casing through the slot by rotating the handle. The elastic member provides an elastic force to rotate the handle to make the portion of the handle extend out of the casing. The operating plate is slidably connected to the front wall, and can cover the slot to limit the portion of the handle from extending out of the casing and uncover the slot to allow the portion of the handle from extending out of the casing.

Abstract: A temperature monitoring circuit includes a negative temperature coefficient (NTC) resistor, a zener diode, an alarm, a silicon controlled rectifier. A first terminal of the NTC resistor is connected to a power supply through a first resistor. A second terminal of the NTC resistor is grounded. A cathode of the zener diode is connected to a node between the NTC resistor and the first resistor. An anode is grounded through a second resistor. A first terminal of the alarm is connected to the cathode of the zener diode, and is grounded through a third and fourth resistors in series. A cathode of the silicon controlled rectifier is connected to the anode of the zener diode. An anode of the silicon controlled rectifier is connected to a second terminal of the alarm. A control terminal of the silicon controlled rectifier is connected to a node between the third and fourth resistors.

Abstract: A fan speed control circuit includes a voltage input terminal, a thyristor, a thermistor, and first and second switches. The terminal is grounded through a first resistor and the thermistor, connected to an anode of the thyristor, and connected to a second terminal of the second switch through a second resistor. A node between the resistor and the thermistor is connected to a control terminal of the first switch. A second terminal of the first switch is grounded. A first terminal of the first switch is connected to a control terminal of the thyristor through a third resistor. A fourth resistor is connected between the anode and control terminal of the thyristor. A control terminal of the second switch is connected to the control terminal of the thyristor. A first terminal of the second switch is connected to a cathode of the thyristor and a voltage pin of a fan.

Abstract: A coated article includes a substrate; a color layer deposited on the substrate; and a pattern layer deposited on the surface of the color layer opposite to the substrate. A network of metal nuclei groups forms the pattern layer. The network of metal nuclei groups includes a plurality of metal nuclei, and each metal nucleus is bonded to at least one other metal nucleus.

Abstract: A method for parsing a text file defines a tree pattern and a plurality of character string patterns. A tree structure corresponding to the text file is determined according to the tree pattern, and the desired data are retrieved from the text file according to the character string patterns. The retrieved desired data are output into a storage system.

Abstract: A bracket is used to support a motherboard. The bracket includes a framework, a first supporting element, and a second supporting element. The framework includes a front bar, a back bar, and two side bars, corporately bounding a receiving space. The first and second supporting elements are received in the receiving space and connected to the two side bars. A number of through holes corresponding to a number of through holes of the motherboard are defined in the framework, the first supporting element, and the second supporting elements to fix the motherboard on the bracket via a plurality of screw pillars extending through the plurality of through holes of the bracket and the plurality of through holes of the motherboard.

Abstract: An exemplary mounting structure is adapted for supporting an apparatus of a computer. The mounting structure includes a securing bracket and a connecting bracket. The connecting bracket is mounted on the securing bracket and is slidable along a first axis relative to the securing bracket. The connecting bracket is adapted for supporting the apparatus thereon. The apparatus is slidable along a second axis relative to the connecting bracket.

Abstract: An electrical device enclosure includes a front panel, a power supply and a switch assembly mounted on the front panel. The power supply includes an alternating current (AC) plug and a power circuit. The AC plug is used to receive an AC voltage. The power circuit is used to convert the AC voltage from the AC plug into a direct current voltage. The switch assembly is connected between the AC plug and the power circuit to turn on/off a connection between the AC plug and the power circuit.

Abstract: A machine motion control system includes a number of moving parts for securing test electronic devices, a machine and an axis control card mounted on the machine. The machine includes a number of servo modules and a number of sensing units. The servo modules drive and control the corresponding moving parts on the machine. Each sensing unit is electrically connected to a corresponding moving part; the sensing units are operable to sense and transmit location information of the moving parts and the machine. The axis control card is electrically connected to the moving parts, the machine, and the sensing units. The axis control card receives location information of each moving part and processes the location information to generate a corresponding command signal, and transmits the generated command signal to the servo modules to control and adjust the moving parts.

Abstract: A recharging system for wireless charging comprising an electronic device and a recharging device. The electronic device comprises a first electromagnetic induction device and a rechargeable battery. The recharging device comprises a detection layer, a second electromagnetic induction device, and a driving device. The detection layer is configured for detecting the position of the electronic device. The driving device drives the second electromagnetic induction device to align with the first electromagnetic induction device. The second electromagnetic induction device is configured for inducing a current in the first electromagnetic induction device.

Abstract: A printed circuit board includes signal holes, at least one first securing hole, and at least one second securing hole. The signal holes and the first securing hole is able to secure a first electronic element or the signal holes and the second securing hole is able to secure a second electronic element.