Patent application number | Description | Published |
20100211811 | CIRCUIT FOR CONTROLLING TIME SEQUENCE - A circuit for controlling time sequence of a motherboard to supply power for a motherboard component includes a control circuit, a switch circuit, and a power conversion circuit. The control circuit is configured for receiving a startup signal during turning on the motherboard. The startup signal is configured to turn off the control circuit to delay a first voltage signal received by the first power receiving terminal for a period of time before outputting a new voltage signal. The switch circuit is configured for being turned off under the control of the new voltage signal. The power conversion circuit is configured for converting a second voltage signal into a supply voltage in response to the switch circuit being turned off, to provide the supply voltage to the motherboard component. | 08-19-2010 |
20100275041 | COMPUTER POWER SUPPLY AND POWER STATUS SIGNAL GENERATING CIRCUIT THEREOF - A computer power supply includes a system voltage output terminal, a standby voltage output terminal, and a power status signal generating circuit comprising an amplifier and an electrical switch. A terminal of a first resistor is connected to the system voltage output terminal. The other terminal of the first resistor is grounded via a capacitor and connected to a non-inventing terminal of the amplifier. A terminal of a second resistor is connected to the standby voltage output terminal. The other terminal of the second resistor is grounded via the third resistor and connected to an inverting terminal of the amplifier. An output terminal of the amplifier outputs a power status signal. A terminal of a fourth resistor is connected to the system voltage output terminal. The other terminal of the fourth resistor is connected to the output terminal of the amplifier and receives a start signal via the electrical switch. | 10-28-2010 |
20100277146 | COMPUTER POWER SUPPLY AND STANDBY VOLTAGE DISCHARGE CIRCUIT THEREOF - A computer power supply includes a standby voltage output terminal to output a standby voltage, a power connector connected to the standby voltage output terminal, and a standby voltage discharge circuit including a zener diode, first and second electrical switches. The standby voltage output terminal is connected to a cathode of the diode. An anode of the diode is connected to a first terminal of the first electrical switch. A second terminal of the first electrical switch is grounded. A third terminal of the first electrical switch is connected to a first terminal of the second electrical switch and the standby voltage output terminal via a first resistor. A second terminal of the second electrical switch is grounded. A third terminal of the second electrical switch is connected to the standby voltage output terminal via a second resistor. A capacitor is connected between the standby voltage output terminal and ground. | 11-04-2010 |
20110006783 | CARD FOR SIMULATING PERIPHERAL COMPONENT INTERCONNECT LOADS - A card for simulating peripheral component interconnect (PCI) loads of a computer motherboard uses a PCI interface to be inserted into a PCI slot of the computer motherboard to receive first to third voltage signals from the computer. First to third load modules of the card receive voltage signals from the computer via the PCI interface to simulating first to third power consumption of the computer. | 01-13-2011 |
20110063142 | KEYBOARD PROVIDING POWER CONTROL - A keyboard includes a plug communicating with an external input device, a printed circuit board (PCB), and a base. The PCB includes a first power pad and a second power pad electrically connected to the plug via a cable. The PCB outputs a control signal to the plug via the cable in response to the first power pad and the second power pad being electrically connected. The base includes a control and at least one positioning element for positioning the control on the base. The control includes a pushbutton, a first pin electrically connected to the first power pad, and a second pin electrically connected to the second power pad. The first pin and the second pin are electrically connected in response to the pushbutton being pressed. | 03-17-2011 |
20110068760 | POWER SUPPLY CIRCUIT - A power supply circuit arranged in a circuit board to supply a determined voltage to an element is disclosed. The power supply circuit includes two voltage receiving terminals to receive voltage signals, a window comparator, and an electrical switch. The comparator drives the electrical switch to be turned on, therefore a terminal of the electrical switch stably output the determined voltage to the element. | 03-24-2011 |
20110095743 | POWER SUPPLY CIRCUIT - A power supply circuit arranged in a circuit board to supply a determined voltage to an element is disclosed. The power supply circuit includes a single-phase pulse width modulation (PWM) signal controller, two transistors, two field-effect transistors (FETs), and two inductors. The PWM signal controller is triggered via the two transistors and respectively alternately outputs a high level voltage signal and a low level voltage signal to alternately control the two FETs to be turned on and turned off, to output the determined voltage. | 04-28-2011 |
20110107125 | COMPUTER SYSTEM - A computer system includes a monitor, and a motherboard. The monitor includes a display screen, a switch set on the monitor, and a first video connector. The first video connector includes a first monitor identity pin, and a first ground pin. The motherboard includes a second video connector. The second video connector includes a second monitor identity pin electrically connected to the first monitor identity pin, and a second ground pin electrically connected to the first ground pin. The second monitor identity pin and the second ground pin are correspondingly connected to a power signal line and a ground line of the motherboard. The switch is connected between the first monitor identity pin and the first ground pin, to control the motherboard to power on or power off. | 05-05-2011 |
20110115651 | KEYBOARD - A keyboard can power a computer on or off. A switch arranged on the keyboard receives power on or off operations. A control chip in the keyboard outputs control signals to a microcontroller according to the power on or off operations. The microcontroller actuates a switch circuit to make a control terminal of a motherboard of the computer power on and off the computer. | 05-19-2011 |
20110121657 | POWER SUPPLY CIRCUIT - A power supply circuit for a graphic card on a motherboard includes first to fourth electrical switches. The first electrical switch is connected to the motherboard to receive a power good signal from the motherboard. The second electrical switch is connected between the first electrical switch and each of the third and fourth electrical switches. The third and fourth electrical switches provide power to the graphic card. The first electrical switch is turned on or off according to the voltage of the power good signal. The second electrical switch is turned on or off by the first electrical switch, so as to selectively control one of the third and fourth electrical switches turn on to output power to the graphic card. | 05-26-2011 |
20110121696 | BRACKET AND CABINET USING THE SAME - A cabinet includes four pillars, a bracket mounted on the pillars, and an electronic device placed on the wheels. The bracket includes a mounting frame, shafts secured to the mounting frame and wheels on the shafts. When the electronic device is pushed or pulled, the wheels rotate on the shafts, thereby the electronic device easily moves relative to the bracket. | 05-26-2011 |
20110128700 | COMPUTER ENCLOSURE - A computer enclosure includes a casing defining a ventilation hole at one side thereof, a power supply and a cooling fan received in the casing. Heat generated by the power supply is taken out by an airflow generated by the cooling fan to an outside of the casing via the ventilation hole. At least one cover sheet covers the ventilation hole of the casing. One side of the cover sheet is pivotally connected to the casing so that the cover sheet is rotatable with respect to the casing. When the cooling fan works, an airflow produced by the cooling fan flows to the ventilation hole and pushes the cover sheet to rotate with respect to the casing, and thus the ventilation hole is exposed; when the cooling fan ceases to work, the cover sheet falls off due to a weight thereof and the cover sheet fully covers the ventilation hole. | 06-02-2011 |
20110128716 | DISPLAY DEVICE - A display includes a screen mounted in a frame, and a protective cover covering on the screen. The frame includes two first sidewalls respectively located on the left and right sides of the screen, and two second sidewalls respectively disposed at top and bottom sides of the screen. The protective cover includes a transparent base plate, two fixing plates formed respectively at left and right sides of the base plate, and an adjoining plate formed at a top side of the base plate. The two fixing plates are fixed on the two first sidewalls of the frame, respectively. The base plate is covered on the screen. The adjoining plate abuts on the second sidewall at the top side of the screen. | 06-02-2011 |
20110140584 | DESKTOP COMPUTER CABINET - A desktop computer cabinet includes a top slat, a bottom slat substantially parallel and opposite to the top slat, a front slat perpendicularly connected to the top slat and the bottom slat, a rear slat substantially parallel and opposite to the front slat, and perpendicularly connected to the top slat and the bottom slat, a pair of substantially parallel sidewalls, and a pair of handle fastened into a pair of receiving grooves correspondingly defined on the sidewalls. | 06-16-2011 |
20110169618 | POWER CONTROLLER - A power controller includes an infrared emitting circuit, an infrared receiving circuit, and a switching circuit. The infrared emitting circuit emits an infrared signal received by the infrared receiving circuit which outputs a corresponding control signal. The switching circuit is connected to the infrared receiving circuit to receive the control signal, and is connected to a powering control terminal of a motherboard of a computer to output a pulse signal to turn the computer on and off according to the control signal. | 07-14-2011 |
20110170024 | MONITOR - A monitor includes a main body and a control circuit. The main body includes a display and a shield. The control circuit drives a motor mounted to the main body. The control circuit detects a power status of the main body and controls the motor to rotate in response to the power status of the main body, so as to wrap the shield to uncover the display when the main body powers on, or to cover the display when the main body is idle or powers off. | 07-14-2011 |
20110216003 | MOUSE - A mouse includes a mainbody, a number of buttons, an interface, a sensor, a controller, and a boot button. The interface includes a first group of pins and a second group of pins. The first group of pins are connected to a motherboard. The boot button connects to the second group of pins of the interface for providing an activating signal. One of the second group of pins of the interface is operable to connect to a power-on pin of the motherboard to provide the activating signal to the power-on pin, for booting the motherboard. | 09-08-2011 |
20110221373 | COMPUTER FAN ALARM CIRCUIT - A circuit for alarming abnormal state of a computer fan includes a detection circuit coupled to the computer fan, a controller coupled to the detection circuit and the computer fan, an alarm unit coupled to the controller. The detection circuit detects a power source and a speed control signal received by the computer fan, the controller determines the work state of the computer fan according to the power source, the speed control signal, and a speed signal received from the computer fan and raises an alarm through the alarm unit if the computer fan is not working normally. | 09-15-2011 |
20110225414 | MONITOR WITH CIRCUIT FOR CLEARING CMOS DATA AND COMPUTER MOTHERBOARD - A monitor for clearing CMOS data of a motherboard includes a jumper block including a first pin and a second pin. A power circuit connects to a display circuit to provide power to the display circuit. The power circuit is connected to ground via a resistor and a capacitor connected in series. An idle pin of the monitor video interface jumper block to a node between the first resistor and the first capacitor, and connects to the second pin of the jumper block. The first pin of the jumper block goes to ground. A positive terminal of a battery connects to the power circuit, and a negative terminal of the battery connects to ground. | 09-15-2011 |
20110225435 | POWER CIRCUIT - A power circuit includes a memory power circuit and a central processing unit (CPU) power circuit. The memory power circuit includes a first operational amplifier and a first switch. The CPU power circuit includes a second operational amplifier and a second switch. The memory power circuit supplies power to a memory slot. The CPU power circuit supplies power to a CPU. | 09-15-2011 |
20110225982 | CPU COOLING CIRCUIT HAVING THERMOELECTRIC ELEMENT - A CPU cooling circuit for a CPU includes a thermoelectric element and a current source circuit. The thermoelectric element includes a first thermoelectric substrate attached to the CPU, a second thermoelectric substrate opposite to the first thermoelectric substrate, a plurality of n-type semiconductor units and p-type semiconductor units alternately sandwiched between the first and the second thermoelectric substrates and electrically connected in series between a positive power supply input and a negative power supply input. The current source circuit is configured for providing driving current to flow through the n-type semiconductor units and the p-type semiconductor units of the thermoelectric element according to a temperature of the CPU. | 09-22-2011 |
20110232893 | TEMPERATURE DETECTING SYSTEM - A temperature detecting apparatus for adjusting direction of airflow from a fan according to thermal status in an electronic device, includes a detection module, a control module, and a driver module. The detection module detects temperatures of a plurality of position coordinates in the electronic device and converts the detected temperatures and the plurality of position coordinates corresponding to the detected temperatures to first voltage signals. The control module receives the first voltage signals and compares the temperatures of corresponding position coordinates to output a position coordinate of the greatest temperature according to the first voltage signals. The driver module receives the position coordinate of the greatest temperature and directs airflow towards a position having the greatest temperature. | 09-29-2011 |
20110235225 | OVERCURRENT PROTECTION CIRCUIT - An overcurrent protection circuit includes an operational amplifier, a first resistor, a second resistor, and a switch. A non-inverting input of the operational amplifier is connected to an output of a power supply circuit and an inverting input of the operational amplifier is connected to a first terminal of a load of the power supply circuit. A second terminal of the load is grounded. The first and second resistors are connected in parallel and coupled between the inverting input and the non-inverting input of the operational amplifier. The switch is coupled to an enable terminal of the power supply circuit and coupled to an output of the operational amplifier. | 09-29-2011 |
20110235269 | HEAT DISSIPATION DEVICE - A heat dissipation device positioned in a computer case, includes a fan, a plate positioned between the computer case and the fan, at least one motor contiguous with the fan, a motor driver, a fan driver, at least one temperature sensor sensing the temperature in the computer case, and a controller. The fan defines an air outlet facing the computer case. The plate is slidable relative to the air outlet to open or close the air outlet. The motor is configured for moving the plate. The motor driver is configured for driving the motor to work. The fan driver is configured for driving the fan to rotate. When the sensed temperature is higher than a preset threshold temperature, the controller controls the motor to move the plate from the air outlet, and controls the fan to rotate. | 09-29-2011 |
20110273289 | KEYBOARD - A keyboard includes a fingerprint input unit, a storage unit, a switch unit, and a control unit. The fingerprint input unit receives fingerprint information of a user. The storage unit stores a fingerprint model. The control unit is connected to the fingerprint input unit, the storage unit, and the switch unit. The control unit receives the fingerprint information of the user from the fingerprint input unit and compares the received fingerprint information with the fingerprint model stored in the storage unit. If the received fingerprint information is consistent with the fingerprint model, the control unit controls the switch unit to be turned on, to output a control signal to power on a computer connected to the keyboard. | 11-10-2011 |
20110296161 | COMPUTER SYSTEM - A computer system includes an enclosure and a motherboard. The enclosure includes two switches exposed through the enclosure. The motherboard is arranged in the enclosure and includes a reset pin to clear basic input output system (BIOS) settings of the motherboard. The reset pin is grounded by the two switches in series. The BIOS settings are cleared in response to the two switches being turned on. | 12-01-2011 |
20110310522 | TEMPERATURE PROTECTION CIRCUIT - A temperature protection circuit includes a detection circuit, a comparison circuit, a switching circuit, and a control circuit. When the temperature of an electronic device is below a preset temperature, a detecting voltage signal exceeds a reference temperature signal, and the comparison circuit outputs a control signal to open the switching circuit. The control circuit directs a power circuit to provide voltage to an operating circuit. When a temperature of the electronic device exceeds the preset temperature, the detecting voltage signal is below the reference temperature signal, and the comparison circuit outputs a control signal to close the switching circuit. The control circuit directs the power circuit to stop supplying voltages to the operating circuit. | 12-22-2011 |
20120013623 | HOST COMPUTER AND METHOD FOR ADJUSTING DISPLAY PARAMETERS - A method for adjusting display parameters of a monitor connected to a host computer. The host computer includes a video card. If the monitor cannot display data normally, the method selects a group of display parameters C | 01-19-2012 |
20120034901 | MOBILE PHONE - A mobile phone includes a fingerprint input unit, a storage unit, a switch unit, and a control unit. The fingerprint input unit is used to read and record fingerprint information of a user, and output the fingerprint information. The storage unit stores a fingerprint mode. The switch unit is connected to a power on/off terminal of the mobile phone. The control unit is used to receive the fingerprint information and compare the received fingerprint information with the stored fingerprint mode. If the received fingerprint information is not consistent with the stored fingerprint mode and the mobile phone is at a power-off state, the control unit outputs a first control signal to control switch unit to keep the mobile phone being at the power-off state. | 02-09-2012 |
20120044096 | KEYBOARD WITH CIRCUIT FOR CLEARING CMOS DATA - A keyboard includes a keyboard body, a first resistor, a first capacitor, a jumper block mounted to the keyboard body, a battery, a keyboard interface, and a keyboard control circuit. The jumper block includes a grounded first pin and a second pin. The battery includes a positive terminal grounded by the first resistor and the first capacitor connected in series, and a grounded negative terminal. The keyboard interface includes a data pin, a voltage pin, and an idle pin. The idle pin is connected to a node between the first resistor and the first capacitor, and connected to the second pin of the jumper block. The keyboard control circuit is connected to the data pin to transmit data, and connected to the voltage pin to receive a voltage. | 02-23-2012 |
20120089870 | BIOS REFRESH DEVICE AND METHOD USING THE SAME - A BIOS refresh device includes a first socket, a second socket, and a jumper. The first socket includes a first elastic contact, a first voltage contact, and a first ground contact. The second socket includes a second elastic contact, a second voltage contact, and a second ground contact. The jumper includes a first pin, a second pin, a third pin, and a fourth pin. The first pin is electronically connected with the second elastic contact. The second pin is electronically connected with the first voltage contact or the second voltage contact. The third pin is electronically connected with the first elastic contact. The fourth pin is electronically connected with the second ground contact or the second ground contact. | 04-12-2012 |
20120108202 | SECURITY SYSTEM AND METHOD FOR AN ELECTRONIC DEVICE - A security system and method for an electronic device include comparing data in a Subscriber Identity Module (SIM) card with data in a virtual SIM card, if the virtual SIM card is not blank. The security system further include determining whether the electronic device has received a command of reporting loss of the SIM card from the network server, if the data in the SIM card is the same as the data in the virtual SIM card. The security method further includes running the electronic device normally if the electronic device has not received the command of reporting loss of the SIM card. If the command of reporting loss is received, a contact list and message of the electronic device are deleted and a calling function of the electronic device is disabled. | 05-03-2012 |
20120164868 | RJ-45 CONNECTOR ASSEMBLY AND ASSISTING APPARATUS FOR UNPLUGGING RJ-45 CONNECTOR - A Registered Jack-45 (RJ-45) connector assembly includes an RJ-45 connector, and an assisting apparatus for unplugging the RJ-45 connector. The RJ-45 connector includes a slanted resilient latch. The assisting apparatus includes a latching portion and a pressable portion. A receiving slot is defined in the front end of the latching portion, to engage with the resilient latch of the RJ-45 connector. When the pressable portion is pressed, the assisting apparatus drives the resilient latch of the RJ-45 connector to deform and disengage from a connector of an electronic device. | 06-28-2012 |
20120169115 | SOLAR ENERGY POWER SUPPLY FOR AN AUTOMOBILE AIR CONDITIONER - A solar power supply for an automobile air conditioner includes a switch unit, a solar energy unit, and a control unit. The switch unit outputs a switch signal. The solar energy unit includes a solar panel, a solar charging circuit, a DC (direct current) voltage transformation circuit, and a battery. The control unit receives the switch signal, enables the solar charging circuit and the DC voltage transformation circuit in response to the switch signal to charge the battery and transform the voltage received from the battery to a stable voltage, respectively, and provides the stable voltage to an automobile air conditioner. | 07-05-2012 |
20120170196 | SERVER CENTER WITH HEAT DISSIPATION SYSTEM - An exemplary server center includes a server, a heat dissipating system, and temperature controlling device. The heat dissipating system includes an exhaust fan, and an airflow tunnel connecting the exhaust fan with the server. The temperature controlling device includes a temperature sensor electrically connected to the server, and an airflow valve mounted on the airflow tunnel The temperature sensor is configured for detecting a temperature of the server and controlling the airflow valve to permit the airflow enter the airflow tunnel or not, according to the temperature obtained from the server. | 07-05-2012 |
20120182151 | SERVER RACK HAVING PAYLOAD WEIGHING FUNCTION - A server rack includes a main body, an electronic scale, and an alarm. The main body is used for receiving a number of servers. The electronic scale includes a pressure sensor and a microcontroller. The main body presses on the pressure sensor so that the pressure sensor can measure the pressure from the main body to obtain a pressure signal. The microcontroller analyzes the pressure signal to calculating the total weight of the main body and the servers. The alarm stores a predetermined weight threshold, which is the total weight of the main body and the maximum servers that the main body can bear. The alarm also compares the measured total weight with the predetermined weight threshold. When the measured total weight is larger than the predetermined weight threshold, the alarm alarms. | 07-19-2012 |
20120188162 | COMPUTER MOUSE - A computer mouse includes a body, a control module, a power supply, and a lighting module. The control module and the power supply are mounted in the body. The power supply is connected to the control module and the lighting module. The light module includes a first light emitter, a second light emitter, and a lighting control unit. The first light emitter emits warm colored light. The second light emitter emits very bright light. The lighting control unit can be used to selectively turn on the first light emitter or the second light emitter. | 07-26-2012 |
20120217969 | LED PROBE - A probe includes a main body and a sensor circuit board. The main body includes a through hole capable of accommodating an LED under test and an accommodation space capable of accommodating the sensor circuit board. The main body is made of opaque material. The sensor circuit board includes a light sensor, a body and a connector. The light sensor is opposite to the through hole. The probe separates the light sensor and the LED under test from ambient light, thereby enhancing the precision of test results. | 08-30-2012 |
20120239951 | POWER SUPPLY SYSTEM WITH ENERGY-SAVING FUNCTION - A power supply system includes a power supply, a switch control circuit, a voltage rectifying circuit, and a trigger switch connected to the switch control circuit. The switch control circuit is connected between an alternating current (AC) power source and the power supply. The voltage rectifying circuit is connected between the AC power source and the switch control circuit to rectify an AC voltage into a direct current (DC) voltage to power the switch control circuit. When the computer system is powered off, the power supply fails to output a system voltage, and the trigger switch fails to be triggered, the switch control circuit disconnects the power supply from the AC power source. When the computer system is powered off, the power supply fails to output a system voltage, and the trigger switch is triggered, the switch control circuit connects the power supply to the AC power source. | 09-20-2012 |
20120242494 | POWER-SAVING REMINDER CIRCUIT FOR COMPUTER - A power saving circuit for a computer. When the computer is powered on, an LED is lit. When the computer if off but power is still being supplied from the commercial power source to the power supply of the computer, the LED blinks. A counter chip determines the time to start blinking or the frequency of blinking. | 09-27-2012 |
20120242497 | DESKTOP COMPUTER EMPLOYING NETWORK INDICATOR LIGHTS - A desktop computer includes a host portion, a network interface card and a first interface. The network interface card includes a first pin, a second pin, and a third pin. The first interface includes a fourth pin connected to both the second and third pins of the network interface card, and a fifth pin connected to the first pin. The screen includes a second interface connected to the first interface, a first LED, and a second LED. The second interface includes a sixth pin connected to the fourth pin, and a seventh pin connected to the fifth pin. The seventh pin is connected to a power supply through the first LED. The sixth pin is connected to the power supply through the second LED. When there is communication through a network connection, the first LED and the fourth LED to flash synchronously. | 09-27-2012 |
20120250239 | COMPUTER DESK ASSEMBLY - A computer desk assembly includes a desk and a display. The desk defines a receiving groove in a top thereof. The desk includes two sliding plates movably engaging in the receiving groove. The display is in the receiving groove of the desk and pivotably connected to the desk. When the computer desk assembly is in a first state, the sliding plates are disposed above the display. When the computer desk assembly is in a second state, the sliding plates slide laterally to expose the display, whereby the display is rotated up relative to the desk for use. | 10-04-2012 |
20120262148 | VOLTAGE MEASUREMENT APPARATUS - A voltage measurement apparatus includes a power interface, first and second voltage detecting modules, first and second driving modules, and first and second indication modules. The first voltage detecting module compares an output voltage with a first reference voltage, to determine whether the output voltage is greater than the first reference voltage. The second voltage detecting module compares the output voltage with a second reference voltage, to determine whether the output voltage is less than the second reference voltage. The first indication module indicates the output voltage when the output voltage is greater than the upper limit voltage or less than the lower limit voltage. The second indication module indicates the output voltage when the output voltage is less than or equal to the upper limit voltage and greater than or equal to the lower limit voltage. | 10-18-2012 |
20120268282 | ALARM CIRCUIT FOR FANS - An alarm circuit is for a fan. The alarm circuit includes a direct current converting circuit, a first electronic switch, a second electronic switch, a clock chip, and a light emitting diode. When the fan does not operate, the light emitting diode blinks to warn the user that the fan may have a problem. | 10-25-2012 |
20120268287 | ENERGY-SAVING REMINDER CIRCUIT FOR COMPUTER - A circuit where a rotary push switch module with first and second switches are closed and first and second terminals of a NAND gate receive high level signals. An output terminal of the NAND gate outputs a low level signal. A light emitting diode (LED) is not lit. A voltage output terminal outputs a standby voltage. When the first switch is opened, and the second switch is closed, the first and the second input terminals of the NAND gate respectively receive a high level signal and a low level signal. The output terminal of the NAND gate outputs a high level signal. The LED is lit. The voltage output terminal does not output the standby voltage. | 10-25-2012 |
20120268887 | FLASH DRIVE - A flash drive includes a main body and a casing pivotably installed to a first end of the main body. A universal serial bus (USB) connector extends from a second end of the main body. The casing includes two plates and an end piece perpendicularly connected between ends of the plates. The casing is pivoted toward the USB connector to enclose the USB connector. | 10-25-2012 |
20120274474 | INDICATOR LIGHT CIRCUIT AND ELECTRONIC DEVICE EMPLOYING THE SAME - An indicator light circuit includes a network interface card (NIC) microchip, a male connector, a male connector, a connection state indicator, and an operating state indicator. The male connector connects to the female connector to exchange data. The connection state indicator and the operating state indicator are positioned on a keyboard. When the NIC microchip establishes connection with a communication network at a certain data speed, the NIC microchip outputs a first command signal to the connection state indicator; and the connection state indicator is powered on. When the NIC microchip starts and establishes communication with the communication network at another certain data speed, the NIC microchip outputs a second command signal to the operating state indicator through the female connector and the male connector, the operating state indicator is powered on. | 11-01-2012 |
20120276948 | ELECTRONIC DEVICE AND METHOD FOR SWITCHING TO VOICE MODE - In a method of switching to a voice mode, an electronic device controls a speaker of the electronic device to play a first audio recording when a mode button of the electronic device is pressed a first time. The electronic device dials a telephone number consisted of received numbers when the mode button is pressed a second time and controls to the speaker to play a second audio recording corresponding to the telephone number. | 11-01-2012 |
20120286964 | CABINET FOR ELECTRONIC DEVICES AND OVERWEIGHT ALARM DEVICE THEREOF - An exemplary cabinet for electronic devices includes an enclosure and an overweight alarm device disposed in the enclosure. The enclosure is for accommodating electronic devices therein. The overweight alarm device includes a weighing circuit, an A/D (Analog to Digital) converting circuit, a control circuit and a warning circuit connected in sequence. The weighing circuit includes a weighing sensor mounted at a bottom of the enclosure for sensing a weight of the cabinet. The A/D converting circuit receives the weight from the weighing sensor, converts the weight to a digital signal and outputs the digital signal to the control circuit. The control circuit compares the digital signal with a threshold value contained therein, and controls the warning circuit to generate a warning when the digital signal is greater than the threshold value. | 11-15-2012 |
20120300397 | MOTHERBOARD FIXING DEVICE AND COMPUTER HAVING SAME - An exemplary motherboard fixing device is for fixing a motherboard onto a case plate inside a computer case. The motherboard fixing device is fixable on the case plate, and includes a first fixing strip and a second fixing strip. The first fixing strip includes a first, second, and third flat plates. The second flat plate is between the first and third flat plates. The first and second flat plates cooperatively define a slide groove for receiving an edge of the motherboard. The second fixing strip includes a bottom plate and a lateral plate. The third flat plate and the bottom plate include first latch hooks. The first latch hooks is engagable in corresponding through holes of the case plate, such that the first and second fixing strips are fixed on the case plate. The lateral plate includes second latch hooks for being latchable on an opposite edge of the motherboard. | 11-29-2012 |
20120304018 | APPARATUS FOR TESTING BASIC INPUT OUTPUT SYSTEM CHIP - An apparatus for testing a basic input output system (BIOS) chip includes a base and a connector. The base defines a receiving space for housing the BIOS chip. A number of signal pins are formed on sidewalls bounding the receiving space, to electrically connect the BIOS chip. The connector extends from a bottom of the base, and is electrically connected to the signal pins of the base to be connected to a diagnose card to debug the BIOS chip. | 11-29-2012 |
20120306435 | CHARGING CIRCUIT WITH UNIVERSAL SERIAL BUS PORT - A charging circuit includes a switch, a standby power supply, a first power supply, a second power supply, a universal serial bus (USB) port, and a power supply switching module with a first to a fourth terminals. According to the power states of a computer, the power supply switching module allows either a first power supply or a second standby power supply to provide a charging voltage for the USB port through controlling the switch. | 12-06-2012 |
20120319663 | LOAD-TESTING CIRCUIT FOR USB PORTS - A power supply circuit is configured for simulating the maximum standard load currents for different kinds of USB ports, and each of the USB ports includes a power terminal; the load-testing circuit includes a voltage regulating circuit, a voltage dividing circuit, a first operational amplifier, a first transistor, and a current limiting resistor. The voltage regulating circuit is configured for supplying a reference voltage to the voltage dividing circuit. The reference voltage is divided by sub-circuits of the voltage dividing circuit. When the sub-circuit connected to the voltage regulating circuit and the first operational amplifier is changed, a current flows from the first transistor and the current limiting resistor is changed. | 12-20-2012 |
20120319668 | POWER SUPPLY CIRCUIT WITH PROTECTION CIRCUIT - A power supply circuit includes a pulse width modulation (PWM) controller, a plurality of phase circuits connected to the PWM controller, and a protection circuit connected to the PWM controller and each of the phase circuits. The PWM controller controls all of the phase circuits alternately outputting power supply voltages according to a predetermined sequence, and the protection circuit operates to detect whether the phase circuits work normally. When any one of the phase circuits does not work normally, the protection circuit turns off the PWM controller and all of the phase circuits. | 12-20-2012 |
20120319720 | TEST CIRCUIT FOR BIPOLAR JUNCTION TRANSISTOR - A test circuit includes a first test circuit. The first test circuit includes a first light-emitting diode (LED) and a first resistor. An anode of the first LED is connected to a power supply. A cathode of the first LED is connected to a collector of a bipolar junction transistor (BJT) through the first resistor. An emitter of the BJT is grounded. A base of the BJT is connected to the power supply. A type of the BJT can be determined according to status of the first LED. | 12-20-2012 |
20120329427 | WIRELESS UNLOCKING SYSTEM - A wireless unlocking system includes a programmable telephone. When the programmable telephone receives a call from a communication terminal along with a calling telephone number, the calling telephone number is matched with a number of pre-stored telephone numbers. The programmable telephone transmits an unlocking signal to an electrically controlled lock and unlocks a door if the telephone number of the call successfully matches one of the pre-stored telephone numbers. | 12-27-2012 |
20130009474 | FAST-DISCHARGING CIRCUIT - A fast-discharge circuit includes at least one power supply group, a switch circuit, and a power connector. Each power supply group includes a power supply unit, stabilizing capacitances, a diode, and a resistance. The power supply unit includes a positive output and a negative output. Anodes of the stabilizing capacitances and the diode are connected to the positive output of the power supply unit. Cathodes of the stabilizing capacitances are connected to the negative output. A cathode of the diode is also connected to the negative output through the resistance. The switch circuit includes a NMOS transistor. A drain of the NMOS transistor is electrically connected to the negative outputs of each power supply; a source of the NMOS transistor is grounded. The power connector includes a PS-ON pin electrically connected to a gate of the NMOS transistor. | 01-10-2013 |
20130017097 | ALARM CIRCUITAANM ZHOU; HAI-QINGAACI Shenzhen CityAACO CNAAGP ZHOU; HAI-QING Shenzhen City CN - An alarm circuit includes a fan controller with a rotation speed control pin and a rotation speed detection pin, a first rectifying circuit connected to the rotation speed control pin, a switch circuit connected to the first rectifying circuit, a first indication circuit for indicating whether the fan fails to operate based on a switch signal from the switch circuit. The alarm circuit further includes a second rectifying circuit connected to the rotation speed detection pin, a comparison circuit for outputting a comparison signal after comparing a direct current signal from the second rectifying circuit with a first reference voltage and a second reference voltage, and an indication circuit for indicating whether the fan fails to operate based on the comparison signal. | 01-17-2013 |
20130017707 | CONNECTOR ASSEMBLYAANM PAN; JIAN-CHUNAACI Shenzhen CityAACO CNAAGP PAN; JIAN-CHUN Shenzhen City CNAANM ZHOU; HAI-QINGAACI Shenzhen CityAACO CNAAGP ZHOU; HAI-QING Shenzhen City CNAANM TU; YI-XINAACI Shenzhen CityAACO CNAAGP TU; YI-XIN Shenzhen City CN - A connector assembly includes a first connector and a second connector. The first connector includes a main body, and a latching member extending out from the main body. The latching member includes a resilient extending portion extending from an outer surface of the main body, and a latching protrusion extending out from the extending portion. The second connector to be connected to the first connector, and includes a base, and a connecting member extending out from an outer surface of the base. The connecting member defining sliding groove and a receiving portion communicating with the sliding groove for latching the latching protrusion. Wherein when the first and second connectors are being connected, the latching member slides through the sliding groove, such that the latching protrusion is latched in the receiving portion. | 01-17-2013 |
20130021161 | INDICATION CIRCUIT FOR INDICATING RUNNING STATUS OF ELECTRONIC DEVICES - An indication circuit for an electronic device includes a control circuit, at least one LED, and at least one buffer register electronically connected between the control circuit and the at least one LED. The control circuit outputs control signals according to a running status of the electronic device, the at least one buffer register receives the control signals, and outputs voltage signals to turn on/off the at least one LED according to the control signals. | 01-24-2013 |
20130025945 | SERVER CONTAINER WITH PAYLOAD DETECTING FUNCTION - A server container includes a main body, at least one support plate, at least one angle detecting module, and an alarm module. The main body includes two opposite sidewalls. Two opposite edges of each support plate is interconnected the two sidewalls. Each angle detecting module includes an angle sensor and a controlling module. The angle sensor is correspondingly positioned on one support plate and for detecting a bending angle of the support plate and generating an angle signal corresponding to the bending angle. The controlling module is configured for comparing the voltage of the angle signal with a reference voltage which corresponds to a predetermined degree and generating a control signal upon a condition that the voltage of the angle signal is greater than the reference voltage. The alarm module is configured for generating an alarm upon a condition of receiving the control signal. | 01-31-2013 |
20130027304 | COMPUTER MOUSE HAVING ILLUMINATING FUNCTION - A mouse includes a casing, a light, a switch, and a supporting device. The casing includes a base plate and a top cover covering the base plate. The top cover defines a receiving hole. The switch is electrically connected to the light and used to turn the light on and off. The supporting device is movably accommodated in the receiving hole and supports the light. The supporting device is capable of moving out of the receiving hole. | 01-31-2013 |
20130029506 | SOCKET PROTECTION DEVICE AND CIRCUIT BOARD ASSEMBLY - A socket protection device includes a fixing member, a cover, a limiting member, and an operation member. The fixing member is secured to a circuit board. The fixing member includes a pair of first connecting blocks. The cover includes a second connecting block, a first latching portion, and a second latching portion. The limiting member is secured to the circuit board. The operation member includes a shaft and an operation rod secured to the shaft. The shaft rotatably connects the cover to the fixing member via the first and second connecting blocks. When the operation rod is pressed to drive the shaft to rotate, the cover is rotated toward the socket. When the cover covers the socket, the first latching portion latches the limiting member, and the second latching portion latches the operation rod. | 01-31-2013 |
20130030729 | MOTHERBOARD ALARM SYSTEM TEST CIRCUIT - A motherboard alarm system test circuit includes an infrared emitter, a memory, and a circuit board. The circuit board includes a memory slot, many edge connectors, an infrared receiver, a single chip computer, and a switch circuit. The memory slot includes many spaced metal sheets. One end of each metal sheet is electrically connected to one of the first golden fingers of the memory. Each edge connector is electrically connected to the other end of each metal sheet. The second golden fingers of the circuit board are electrically connected to the memory slot. The signal chip computer includes an input pin electrically connected to the infrared receiver. The switch circuit is electrically connected to the signal chip computer. The switch circuit controls an electrical connection between the plurality of metal sheets and the plurality of first golden fingers of the memory. | 01-31-2013 |
20130036248 | MONITOR WITH PERSONAL SYSTEM/2 KEYBOARD INTERFACE - A monitor for a computer includes a display screen, a frame fixing the display screen, a display circuit, a personal system (PS)/2 keyboard interface, a power circuit, and a monitor video interface. The PS/2 keyboard interface is disposed on the frame, and includes a data signal pin, a clock signal pin, a power pin, and a ground pin. The power circuit powers the display circuit and the PS/2 keyboard interface. The monitor video interface includes video pins, first and second idle pins. The video pins are connected to the display circuit. The first idle pin is connected to the data signal pin. The second idle pin is connected to the clock signal pin. | 02-07-2013 |
20130038343 | TEST CIRCUIT FOR TESTING SHORT-CIRCUIT - A test circuit includes two probes, a comparison circuit, a switch circuit, and an indication circuit. The probes are connected to an electronic component to be tested, and a low level signal is output if the electronic component is short-circuited. The comparison circuit outputs a comparison signal based on the shorting signal from the probes. The switch circuit outputs a switch signal based on the comparison signal from the comparison circuit. The indication circuit indicates that the electronic component is short-circuited or not short-circuited based on the switch signal fro m the switch circuit. | 02-14-2013 |
20130038447 | ELECTRONIC LOCKING ASSEMBLY - An electronic locking assembly includes an electronic lock and an electronic key for unlocking the electronic lock. The electronic key includes a first memory for storing a first password, and a first signal transceiver for encoding the first password into a first wireless signal and transmitting the first wireless signal. The electronic lock includes a main body for physically locking or unlocking the device, a second memory for storing a second password, a second signal transceiver, a processor, and a comparator. The second signal transceiver receives the first wireless signal and decodes the first wireless signal into the first password. The processor sends the first password and the second password to the comparator. The comparator compares whether the first password second password match, and thus to control the main body to physically lock or unlock the device. | 02-14-2013 |
20130042033 | INTERFACE DEVICE FOR INPUT DEVICE - An interface device for input device includes a motherboard, a connector, a first video graphics array (VGA) interface electronically connected to motherboard, a second VGA interface electronically connected with the first VGA interface and a display. The connector is positioned on the display and electronically connected to the second VGA interface. The motherboard controls the connector via the first VGA interface and the second VGA interface to communicate with an input device mated with the connector. | 02-14-2013 |
20130043892 | RESISTANCE MEASUREMENT CIRCUIT - A resistance measuring circuit for measuring a resistor includes an amplifier, a transistor, a variable resistor, a first resistor, and a second resistor. The transistor includes a base connected to the output of the amplifier, a collector connected to a direct current (DC) power supply, and an emitter. The first resistor includes a first terminal connected to the DC power source, and a second terminal grounded through the variable resistor and connected to the non-inverting terminal of the amplifier. The second resistor includes a first terminal connected to the inverting terminal of the amplifier and connected to the emitter of the transistor through the resistor to be measured, and a second terminal grounded. | 02-21-2013 |
20130043896 | TEST DEVICE FOR PRINTED CIRCUIT BOARD - A test device for testing a printed circuit board (PCB) includes a base and a measuring device. The measuring device includes a testing pin and is capable of measuring any desired point of the PCB on condition that the pin makes contact with the point at an included angle between the pin and a back surface of the PCB which is larger than a predetermined angle. The distance between the base and the PCB satisfies: H>L tan θ, where H is the vertical distance between the PCB and the base, L is the maximum length of an orthogonal projection of the pin on the PCB when the pin is contacting the point, and θ is the predetermined angle. | 02-21-2013 |
20130045108 | FAN MODULE - A fan module includes a fan, a bracket, a number of first fasteners, and a number of second fasteners. The bracket includes a base wall defining a number of locking holes. The fan includes a side plate defining a number of mounting holes. Each of the first fasteners includes a pole, a head portion, and a locking portion. A through hole is defined in the first fastener. A block protrudes on an inner surface of the through hole of the first fastener, aligning with the locking portion. Each of the second fasteners includes a shaft. The pole extends through the locking hole and the mounting hole of the fan. The shaft extends through the through hole of the first fastener to engage with the block, to deform the locking portion. Therefore the locking portion is locked to an inner surface of the side plate of the fan. | 02-21-2013 |
20130048343 | CIRCUIT BOARD WITH HANDLES - The circuit board includes a main body, at least one handle, and at least one connecting element. The main body defines at least one through hole. One end of each of the at least one handle defines a positioning portion. The positioning portion of each of the at least one handle extends through a corresponding one of the at least one through hole and is engaged with one of the at least one connecting elements. | 02-28-2013 |
20130050926 | MOUNTING APPARATUS FOR EXPANSION CARDS - A mounting apparatus for mounting expansion cards to expansion slots set on a circuit board includes a bracket and a number of mounting members. The bracket includes two racks opposite to each other and fixed to the circuit board. A number of spaced bars extend from the mounting piece. Each mounting member includes a fixing plate fixed to a corresponding bar, a locking portion extending from a top of the fixing portion. Two parallel raised portions protrude on an inner surface of the fixing plate to sandwich a corresponding end of the corresponding expansion card. The locking portion abuts against the top of the corresponding expansion card. | 02-28-2013 |
20130050951 | AIR DUCT - An air duct for guiding airflow of a fan includes a cover and an auxiliary plate. The cover includes a base plate, and a first side plate and a second side plate extending from a first side surface of the base plate. The auxiliary plate is slidably attached to the first side surface of the base plate between the first side plate and the second side plate, in a direction substantially parallel to the first and second side plates. | 02-28-2013 |
20130054163 | POWER MEASURING SYSTEM - A power measuring system for measuring a turning-on power, a turning-off power, and a turned-on power of a first field-effect transistor includes a pulse driver, a first resistor, a processing unit, and an indication unit. The pulse driver generates square wave signals. The processing unit samples voltages at the source and the drain of the first field-effect transistor, and at the first and second terminals of the first resistor at the moment when the square wave signals changes from low to high or from high to low, and calculates the turning-on power, the turning-off power, and the turned-on power of the first field-effect transistor. The indication unit displays the turning-on power, the turning-off power, and the turned-on power of the first field-effect transistor. | 02-28-2013 |
20130057064 | POWER SUPPLY SYSTEM FOR AIR CONDITIONER OF CAR - A power supply system for an air conditioner of a car includes a battery, an alternator, a detection circuit to detect whether the alternator is operating and outputting a detection signal according to the detection result, a processing unit to output a control signal according to the detection signal, and a switching circuit to connect either the battery or the alternator to the air conditioner. | 03-07-2013 |
20130057324 | CIRCUIT FOR CLEARING COMPLEMENTARY METAL OXIDE SEMICONDUCTOR INFORMATION - A circuit for clearing complementary metal oxide semiconductor (CMOS) information of a CMOS chip includes a battery, first to fifth resistors, first and second electronic switches, a switching unit, and first and second diodes. The circuit can clear information of the CMOS chip when one or more switches are activated. | 03-07-2013 |
20130058054 | FIXING APPARATUS FOR EXPANSION CARD - An apparatus for fixing an expansion card includes a circuit board, a fixing device, and a latching device. The expansion card includes a protrusion formed on a first end of the expansion card, and a positioning hole defined adjacent to a second end of the expansion card away from the first end. The fixing device is mounted to the circuit board for supporting the first end of the expansion card, and defines a through hole for allowing the protrusion of the expansion card to extend through the through hole. The latching device is mounted to the circuit board for supporting the second end of the expansion card, and includes a post for engaging in the positioning hole of the expansion card, and a resilient hook for engaging with a top of the expansion card. | 03-07-2013 |
20130059464 | AUDIO TEST CABLE - An audio test cable includes three types of audio input and output (I/O) ports. The input port and the output port in each type of audio I/O ports form a short circuit for carrying a loopback test for a motherboard. The audio test cable also includes a test audio jack which connects to the output port of all types of audio I/O ports for carrying out an audio-quality test for the motherboard. | 03-07-2013 |
20130068707 | MOUNTING DEVICE FOR OPTICAL DISK DRIVE - A mounting device for mounting an optical disk drive (ODD) includes a rack and a fixing member. The rack defines an opening in a front side through which the ODD extends into the rack. A blocking plate is formed at a rear end of the rack to block a back end of the ODD. Two bars are formed between the opening and the blocking portion to sandwich the ODD. The fixing member is pivotally mounted to a side of the opening to block a front end of the ODD. | 03-21-2013 |
20130068922 | MOUNTING DEVICE FOR FAN - A mounting device for fixing a fan includes a board, and a frame mounted to an end of the fan. The board defines a vent. Two L-shaped blocking pieces are formed on the board at opposite sides of the vent. The frame is sandwiched between the blocking pieces and the board. | 03-21-2013 |
20130069633 | FAN SPEED DETECTION DEVICE - A fan speed detection circuit includes a counter, an integrating circuit, a current regulation circuit, a connector and a matching circuit. The connector electrically connects to the current regulation circuit and a fan. The counter outputs a pulse signal, the integrating circuit receives the pulse signal from the counter, and converts the pulse signal from the counter into a corresponding analog command signal. The current regulation circuit adjusts the current from the integrating circuit according to the command signal and outputs the adjusted current to the connector. The matching circuit converts the voltage from the connector and provides a suitable voltage for activating the counter to enable the counter to detect and quantify and record the rotation speed of the fan in all circumstances. | 03-21-2013 |
20130070413 | MOUNTING DEVICE FOR OPTICAL DISK DRIVE - A mounting device for fixing an optical disk drive (ODD) includes a latch and a rack including a bottom wall. Two pins extend out from opposite sides of the ODD. A first plate and a second plate extend up from the bottom wall to sandwich the ODD. a tab extends inward from a back end of one of the first and second plates to block a back end of the ODD. An opening and a slot below and communicating with the opening are defined in each of the first and second plates. The latch is pivotally mounted to the first plate adjacent to the slot. The pins of the ODD extend into the slots through the corresponding openings. One of the pins is blocked by the latch. | 03-21-2013 |
20130070421 | ANTI-SAG APPARATUS FOR EXPANSION CARDS - An anti-sag apparatus is mounted in a chassis for supporting an expansion card. The anti-sag apparatus includes a fixing bracket, a mounting member, and a supporting module. The mounting member defines a slide slot and a positioning hole communicating with the slide slot. The supporting module includes a supporting member, a manipulation member, and a resilient element arranged between the supporting member and the manipulation member. The manipulation member includes a pole forming a neck able to slide through the slide slot, and a locking portion sized to be stopped from entering the slide slot. When the pole is placed in the positioning hole, the supporting member supports the expansion card. When the pole is driven to slide along the slide slot, the supporting member disengages from the expansion card. | 03-21-2013 |
20130080622 | NETWORK STATUS INDICATION SYSTEM AND MOUSE WITH NETWORK STATUS INDICATION FUNCTION - A network status indication system includes a network controller, a first personal system (PS)/2 interface, and a mouse. The first PS/2 interface includes first and second idle pins. The mouse includes a second PS/2 interface, and first and second indicators. When the network controller determines that the first PS/2 interface is connected to the network, the network controller controls the first indicator to emit light. When the network controller determines that the first PS/2 interface is transmitting or receiving data with the network, the network controller controls the second indicator to flicker. | 03-28-2013 |
20130082013 | FIXING DEVICE FOR DATA STORAGE DEVICE - A fixing device for fixing a data storage device includes a rack, an engaging member, and a resilient member. The rack includes a bottom plate, a first plate and a second plate protruding from the bottom plate. The resilient member is fixed to the bottom plate is permanently deformed by, and bears against, the data storage device when in place. Two pins protrude from an inner surface of the first plate to detachably engage in a first sidewall of the data storage device. A stopping tab extends from the engaging member to detachably block a top of the data storage device. | 04-04-2013 |
20130083471 | MOUNTING APPARATUS FOR DATA STORAGE DEVICE - A mounting apparatus for mounting a data storage device includes a mounting plate, first and second mounting members, and a connecting member movably connected between the first and second mounting members. The first mounting member is fixed to a side of the data storage device. The connecting member is adjustable to move the second mounting member toward or away from the first mounting member, thereby sandwiching or releasing the data storage device. The mounting members are fixable to the mounting plate. | 04-04-2013 |
20130087310 | MOUNTING DEVICE FOR FAN - A mounting device for fixing a fan includes a board, a frame, and two shockproof members. The board defines a vent. Two blocking pieces perpendicularly extend from the board at opposite sides of the vent. The frame is sandwiched between the blocking pieces. Two tabs extend from opposite sides of the frame. Each shockproof member is mounted between one of the blocking pieces and a corresponding one of the tabs. | 04-11-2013 |
20130088472 | VISUAL DISPLAY CONNECTION CIRCUIT - A connection circuit for a digital visual interface (DVI) includes a platform controller hub (PCH), a DVI, a plurality of voltage dividing resistors, and a switch. The platform controller hub (PCH) includes a plurality of output contacts outputting a plurality of analog signals. The DVI includes a plurality of input contacts, and each input contact is connected to one of the output contacts to transmit the analog signals. The switch has one end connected to the output contacts, and another end grounded. The switch switches on when a power supply is applied to the switch and is switched off when the power supply is not applied to the switch. | 04-11-2013 |
20130094171 | EXPANSION CARD WITH CABLE MANAGEMENT APPARATUS - An expansion card includes a card body and a cable management apparatus. The card body includes a number of connecters with a number of cables. The cable management apparatus includes a main body. A first side of the main body is fixed to the card body beside the connectors. A second side of the main body forms a flange. A number of first cable management portions are formed on the flange. A number of second cable management portions extend on the main body. The cables can extend through either the first cable management portions or the second cable management portions. | 04-18-2013 |
20130101396 | FAN ASSEMBLY - A fan assembly includes a fan and a casing receiving the fan. The casing is formed by one-step injection molding and includes a base portion, a cover portion, a connection portion, and a plurality of anti-vibration members. The connection portion is formed by thermal-pressing and rotatably connects the cover portion and the base portion. The anti-vibration members are attached to the cover portion and the base portion and located between the fan and the cover portion and the base portion when the cover portion and the base portion are locked together to absorb vibration and prevent the transmission of the vibration to the casing. | 04-25-2013 |
20130105422 | FIXING DEVICE FOR DATA STORAGE DEVICE | 05-02-2013 |
20130107441 | MOUNTING APPARATUS FOR EXPANSION CARDS | 05-02-2013 |
20130107442 | FLASH DRIVE WITH PROTECTING CASINGS | 05-02-2013 |
20130107478 | MOUNTING APPARATUS FOR EXPANSION CARDS | 05-02-2013 |
20130108435 | MOUNTING DEVICE FOR FAN | 05-02-2013 |
20130115501 | MOUNTING DEVICE FOR BATTERY - A mounting device for fixing a battery in place includes a board and a fixing member. Two tabs and two plates extend from the board to hold the battery. The fixing member forms a blocking piece on a top surface. A first end of the fixing member extends through one of the plates and then is latched with the blocking piece. A second end of the fixing member extends through the other plate and is formed into a loop to secure the fixing member over the battery. | 05-09-2013 |
20130115502 | MOUNTING DEVICE FOR BATTERY - A mounting device for mounting a battery includes a base board and a fixing member. The board forming two tabs to abut against opposite sides of the battery and two hooks to locate at opposite ends of the battery. The fixing member is configured to block a top of the battery. Opposite ends of the fixing member are configured to connect to the hooks, respectively. | 05-09-2013 |
20130115503 | MOUNTING DEVICE FOR BATTERY - A mounting device for mounting a battery includes a base board to support the battery and a fixing member. The base board forms two hooks to abut against opposite sides of the battery, a tab and two protrusions to respectively abut opposite ends of the battery. The fixing member includes a blocking portion to block a top of the battery, two first latching portions to engage with the corresponding hooks, and two second latching portions to be pivotably connected to the protrusions. | 05-09-2013 |
20130127803 | DEVICE FOR EXITING SCREEN SAVER MODE - A device includes an infrared sensor, a signal processing unit, a first signal conversion unit, a second signal conversion unit, and an interface. The infrared sensor senses infrared rays and outputs a signal to the signal processing unit. The signal processing unit processes the signal, and outputs a processed signal to the first signal conversion unit. The first signal conversion unit transforms the processed signal into a keyboard signal, and outputs the keyboard signal to the second signal conversion unit. The second signal conversion unit transforms the keyboard signal into an interface signal according to type of the interface, and outputs the interface signal to the interface. The interface outputs the interface signal to a computer connected to the interface, to cause the computer to exit a screen saver mode. | 05-23-2013 |
20130128404 | OVERVOLTAGE PROTECTION CIRCUIT - A protection circuit that protects a load charged by a power supply. The protection circuit includes a reference voltage set circuit, a sampling circuit, a switch, and a comparator. The reference voltage set circuit provides a reference voltage. The sampling circuit is electrically connected to the power supply and provides a sampling voltage based on a charge voltage output from the power supply to the load. The switch is electrically connected between the power supply and the load. The comparator includes a non-inverting input terminal electrically connected to the reference voltage set circuit, an inverting input terminal electrically connected to the sampling circuit, and an output terminal electrically connected to the switch. The comparator compares the sampling voltage with the reference voltage, and controls the switch to turn on or off according to the comparison. | 05-23-2013 |
20130135815 | MOUNTING APPARATUS FOR BACKPLANE - A mounting apparatus for mounting a hard disk drive backplane to a side of a bracket in a chassis includes a first mounting member, a second mounting member, a pivot member, and a locking member. The bottom and opposite ends of the backplane are clipped to the bracket. The second mounting member is fixed to a top side of the backplane and is locked to a top plate of the bracket. The first mounting member is fixed to a bottom side of the backplane. The first mounting member includes an engaging portion. The locking portion is fixed to the chassis. A first end of the pivot member is pivotably mounted to the chassis. A second end of the pivot member is locked to the locking member. A pressing portion extends down from a middle of the pivot member to press the engaging portion on the chassis. | 05-30-2013 |
20130139975 | MOTOR CONTROL CIRCUIT AND KEYBOARD ASSEMBLY HAVING SAME - A motor control circuit for controlling rotation directions of a motor includes a primary power supply, a voltage monitor unit, a motor driving chip, a controller and a backup power supply. The backup power supply is constantly charged by the primary power supply when the primary power supply is in service. The voltage monitor unit is electronically connected to the primary power supply, and is configured for determining whether the primary power supply is in or out of service. The controller controls the motor driving chip to drive the motor to rotate in a first direction when the primary power supply is in service, and alternatively controlling the motor driving chip to drive the motor to rotate in a second direction reverse to the first direction when the primary power supply is out of service. | 06-06-2013 |
20130141021 | MOTOR CONTROL CIRCUIT AND KEYBOARD ASSEMBLY HAVING SAME - An exemplary motor control circuit for controlling a motor includes a motor driving chip, a sensing unit, and a controller. The motor driving chip motor driving chip is electronically connected to the motor. The sensing unit includes a proximity sensor, the proximity sensor detects whether an external object is proximate to the proximity sensor. The controller is electronically connected to the motor driving chip and the sensing unit, the controller controls the motor driving chip to drive the motor to rotate in a first direction when an external object is detected, and controls the motor driving chip to drive the motor to rotate in a second direction reverse to the first direction when no external object is detected for a predetermined period of time. | 06-06-2013 |
20130141860 | FIXING MECHANISM FOR FIXING EXPANSION CARDS AND SERVER USING SAME - A fixing mechanism for fixing expansion cards in place includes a fixing assembly, a clamping element opposite to the fixing assembly, and a connection element. A side of the clamping element away from the fixing assembly defines a recess for receiving the expansion card. The connection element is hinged to the fixing assembly and the clamping element. When the connection element is rotated relative to the fixing assembly and the clamping element, the clamping element is moved towards or away from the fixing assembly to adjust a distance between the fixing assembly and the clamping element. | 06-06-2013 |
20130147541 | CIRCUIT FOR CLEARING DATA STORED IN COMPLEMENTARY METAL-OXIDE-SEMICONDUCTOR - An exemplary circuit for clearing data stored in a complementary metal-oxide-semiconductor (CMOS) includes a power circuit and a button circuit. The power circuit supplies power for the CMOS. The button circuit is configured to clear data stored in the CMOS, and includes a switch and an electronic switch element. A first terminal of the switch is grounded, and a second terminal of the switch is coupled to a first terminal of the electronic switch element. A second terminal of the electronic switch element is grounded. A third terminal of the electronic switch element is coupled to the CMOS. When the switch is closed, the second terminal of the electronic switch element is connected to the third terminal of the electronic switch element, and the data stored in the CMOS is cleared. | 06-13-2013 |
20130147632 | INDICATOR LIGHT CONTROL CIRCUIT - An indicator light control circuit for controlling a single indicator light to indicate a high or low link speed of a network connection includes a pulse signal generating circuit, a bias circuit having a digital potentiometer, and a controller. The pulse signal generating circuit generates a pulse signal. The digital potentiometer is electronically connected to the pulse signal generating circuit and the controller. The controller adjusts the effective resistance of the digital potentiometer connected to the pulse signal generating circuit according to different link speeds being experienced in the network connection, to adjust a duty cycle of the pulse signal, thereby changing the on-time and off-time of the indicator light. | 06-13-2013 |
20130148247 | OVERVOLTAGE PROTECTION CIRCUIT - An overvoltage protection circuit includes a power device for outputting a plurality of first powers, a plurality of VRMs for respectively receiving the plurality of first powers, a plurality of voltage dividing circuits, a reference power supply for outputting a reference voltage, and a comparison circuit having a comparator. Each VRM converts a corresponding first power to a regulated second power. The plurality of voltage dividing circuits respectively divides voltages of the second powers, each voltage dividing circuit outputs a divided voltage. The comparator compares a combination of the divided voltages with the reference voltage, and when an overvoltage occurs in at least one of the second powers, the comparator outputs a control signal via the output terminal to the power device to control the power device to shut down all of the first powers. | 06-13-2013 |
20130148248 | POWER STRIP WITH HEAT PROTECTION FUNCTION - A power strip includes a plug, a main body, a thermo-sensor output unit, a comparison control unit, and a switch unit. The main body includes a number of electrical sockets. The thermo-senor output unit senses a temperature of the cable. When the sensed temperature is greater than a predetermined temperature, the thermo-sensor output unit outputs a voltage signal to the comparison control unit to make the comparison control unit turn off the switch unit to disconnect the plug from the sockets. | 06-13-2013 |
20130148275 | PLUG AND ELECTRONIC DEVICE USING SAME - A plug for a connecting port of an electronic device to prevent the connecting port from moisture and dust and includes a base, a protection wall, and a fixing arm. The protection wall is an enclosing circular wall extending along a periphery of the base and defines a receiving space. The fixing arm extends outwards from an outer side surface of the protection wall. The fixing arm includes a connecting part and a pair of fastening pieces formed at an end of the fixing arm away from the protection wall. The connecting part connects with the protection wall. The fastening pieces extend outwards from a surface of the connecting part away from the base. | 06-13-2013 |
20130154722 | VOLTAGE-STABILIZING CIRCUIT - A voltage-stabilizing circuit includes a comparator and an RC circuit. A positive input of the comparator receives an enable signal. A negative input of the comparator receives a reference voltage. The RC circuit includes a first resistor and a capacitor. A first terminal of the capacitor is connected to an output of the comparator, a second terminal of the capacitor is grounded through a first resistor, and the first terminal of the capacitor is further connected to an enable pin of a power integrated circuit. | 06-20-2013 |
20130155565 | OVERCURRENT PROTECTION CIRCUIT - An overcurrent protection circuit includes a universal serial bus (USB) controller having an overcurrent detection pin, and a plurality of USB connectors each electronically connected to a USB device and the overcurrent detection pin. The USB controller communicates with the USB devices respectively via the USB connectors. When the overcurrent detection pin detects an overcurrent occurrence in one of the USB devices, the USB controller stops communicating with all of the USB devices. | 06-20-2013 |
20130155661 | COMPUTER ENCLOSURE WITH LIGHT-EMITTING DIODES - A computer enclosure includes a chassis, a power supply, a light-emitting diode (LED) mounted on an inside surface of the chassis, a battery, a driving circuit connected between the battery and the LED, a switch connected between the battery and the driving circuit, and a charging circuit connected between the power supply and the battery for charging the battery. When a user turns on the switch, the battery is caused to supply power to the driving circuit turning on the LED. | 06-20-2013 |
20130162131 | MOUNTING APPARATUS FOR REMOVABLE MODULE - A mounting apparatus for mounting a removable module in a chassis with a sidewall defining a locking slot includes a locking member, and an operation member. The removable module includes a side plate defining a through slot, and an end plate defining a through hole adjacent to the end plate. The operation member is slidably attached to an inner surface of the side plate. The locking member includes a mounting piece fixed to the inner surface of the side plate, and a resilient piece slantingly extending from the mounting piece. A wedge extends from the resilient piece. The operation member includes a handle and a pressing portion. The handle is operated to slide the operation member in along the side plate to press the resilient piece toward the side plate, until the wedge extends through the through slot to lock in the locking slot of the sidewall. | 06-27-2013 |
20130162298 | IDENTIFYING CIRCUIT - An identifying circuit is connected between a Universal Serial Bus (USB) interface and a controller. The identifying circuit includes first and second resistors, and a diode. When a power adapter is connected to the USB interface, a negative data pin of the USB interface is floating, an identify pin of the controller receives a high level signal to determine that the power adapter is connected to the USB interface. When a computer is connected to the USB interface, the negative data pin of the USB interface outputs a low level signal, the identify pin of the controller receives a low level signal to determine that the USB interface is connected to the computer. | 06-27-2013 |
20130162347 | IDENTIFYING CIRCUIT - An identifying circuit is connected between a Universal Serial Bus (USB) interface and a controller. The identifying circuit includes first to fourth electronic switches. When a power adapter connects to the USB interface, the first and fourth electronic switches are not turned on, and the second and third electronic switches are turned on. An identification pin of the controller receives a low level signal and determines that the power adapter connects to the USB interface. When a computer connects to the USB interface, the first and fourth electronic switches are turned on, and the second and third electronic switches are not turned on. The identification pin receives a high level signal and determines that the computer is connected to the USB interface. | 06-27-2013 |
20130164984 | DISPLAY HAVING ILLUMINATION FUNCTION AND COMPUTER SYSTEM WITH THE DISPLAY - A display includes a body, a first video graphics array (VGA) connector, and a light-emitting diode (LED). The first VGA connector is connected to a second VGA connector mounted on a motherboard. When the first VGA connector is connected to the second VGA connector, the signal pins of the first VGA connector are connected to the signal pins of the second VGA connector correspondingly. In addition, a first idle pin of the first VGA connector is connected to a second idle pin of the second VGA connector which is connected to a 5 volt standby power supply of the motherboard. An anode of the light-emitting diode is connected to the first idle pin. A cathode of the light-emitting diode is grounded. | 06-27-2013 |
20130166937 | UNIVERSAL SERIAL BUS HUB - A Universal Serial Bus (USB) hub includes a USB input, a number of USB outputs, a USB controller, a power processing module, and an alarm. The USB controller controls data transmission between a connected USB device connected to the USB output and a computer. The power processing module obtains a power of each USB output and sums the power of all the USB outputs. The power processing module further compares a preset power value with the sum of the power. When the sum of the power is greater than the preset power value, the power processing module outputs a control signal to activate the alarm. | 06-27-2013 |
20130168337 | MOUNTING APPARATUS FOR REMOVABLE MODULE - A mounting apparatus for mounting a removable module in a chassis with a sidewall defining a locking slot includes a locking member, and an operation member. The removable module includes a side plate defining a through slot, and an end plate defining a through hole adjacent to the end plate. The operation member is pivotably attached to an inner surface of the side plate. The locking member includes a mounting piece fixed to the inner surface of the side plate, and a resilient piece slantingly extending from the mounting piece. A wedge extends from the resilient piece. The operation member includes a handle and a pressing portion. The handle is operated to rotate the operation member in to make the pressing portion press the resilient piece toward the side plate, until the wedge extends through the through slot to lock in the locking slot of the sidewall. | 07-04-2013 |
20130181660 | CHARGE CONTROL CIRCUIT FOR USB DEVICE - A charge control circuit used in a computer includes a backup power supply, a USB connector electronically connected to a USB device, a charge control unit powered by the backup power supply, a switch unit, and a southbridge chip. The charge control unit includes a charge controller. The switch unit includes an electronic switch electronically connected to the charge controller and the backup power supply. The southbridge chip includes a USB controller, the southbridge chip selectively controls the charge controller or the USB controller to transmit enumeration signals to the USB connector to recognize and activate the USB device to be charged according to a working mode of the computer, and switches the electronic switch to connect or disconnect the power supply to the USB connector according to the working mode of the computer. | 07-18-2013 |
20130220952 | MOUNTING APPARATUS FOR HARD DISK DRIVE - A mounting apparatus for a hard disk drive includes a chassis, a supporting bracket, a latching member slidably installed to the supporting bracket, and an elastic member sandwiched between the supporting bracket and the latching member. The chassis includes a bottom wall. A protrusion protrudes up from the bottom wall. The supporting bracket includes an installation plate, two side plates extending down from two opposite sides of the installation plate, and two supporting plates extending from bottom sides of the corresponding side plates. The supporting plates are mounted on the bottom wall. The elastic member abuts against the latching member to engage with the protrusion. A number of first tabs extend from each side plate toward the other side plate, for supporting the hard disk drive. A first space is defined between the first tabs and the supporting plates. | 08-29-2013 |
20130237082 | ELECTRONIC DEVICE HAVING ASSISTING APPARATUS FOR UNPLUGGING RJ-45 CONNECTOR - An electronic device includes a chassis and an assisting apparatus for unplugging a Registered Jack-45 (RJ-45) connector having a resilient plate. The chassis includes a sidewall, and a connector installed in the chassis and exposed through the sidewall, for being connected to the RJ-45 connector. The assisting apparatus includes a fixing member mounted to the sidewall, a press member pivotably connected to the fixing member, and a torsion spring mounted between the fixing member and the press member. The press member includes a press portion protruding outwards. When the press member is rotated, the press portion presses the resilient plate of the RJ-45 connector, to allow the resilient plate to disengage from the connector of the chassis. | 09-12-2013 |
20130238937 | DISPLAY DEVICE AND COMPUTER USING THE SAME - A display device is coupled to a computer, and the computer accommodates a motherboard. The display device includes an interface unit connected to the motherboard, a display panel, and a processor electrically coupled to the interface unit. The processor is used to: receive a power-on self test (POST) code from the motherboard via the interface unit, convert the POST code into a debug code, and control the display panel to display the debug code. | 09-12-2013 |
20130258608 | MOUNTING APPARATUS FOR POWER SUPPLY UNIT - A mounting apparatus includes a bottom plate, a frame mounted on the bottom plate for receiving a power supply unit, and a lock member mounted on the frame. The frame includes two opposite side plates and an end plate connected between front ends of the side plates. A resilient tab is formed on each side plate. A protrusion is formed on an outer surface of each resilient tab. The lock member includes two opposite sidewalls, a top wall connected between tops of the sidewalls, and a stop plate extending down from a rear end of the top wall. The sidewalls respectively contact outer surfaces of the side plates. Each of the sidewalls defines an opening to allow a corresponding one of the protrusions to engage in. | 10-03-2013 |
20130260726 | QUEUE REMINDER SYSTEM AND QUEUE REMINDER METHOD - A queue reminder method applied in a computing device computes a predicted waiting time interval of each uncalled number. The method generates a message when the predicted waiting time interval of an uncalled number is less than a preset time interval, and sends the message to a communication account associated with the uncalled number. | 10-03-2013 |
20130283099 | SYSTEM AND METHOD FOR TESING STABILITY OF SERVER - A method for testing stability of a server includes the following steps. Providing a first user input interface for a user to input test parameters. Generating a control signal according to the input test parameters and transmitting the control signal to the BMC of the server. Controlling the server to start and shut down via the BMC. Detecting whether the tested characteristics are within specified ranges during each start and shutting down operation. Generating a SEL if any abnormal result is obtained and records a test time when the abnormal result is obtained in the SEL. Storing the generated SEL in a storage unit. Providing a second user input interface on the display for the user to input conditions to filter test results. And responding to the input conditions and outputting corresponding test results to the display. | 10-24-2013 |
20130300213 | IDENTIFICATION CIRCUIT - An identification circuit is connected between a universal serial bus (USB) interface, and each of a controller and a power management unit (PMU). The identification circuit includes first to fourth electronic switches. When a power adapter is connected to the USB interface, the negative data pin of the USB interface is floating. The first and fourth electronic switches are turned off. The second and third electronic switches are turned on. Power from the power adapter is transmitted to the second power pin of the PMU. When the USB interface is connected to a computer, the negative data pin of the USB interface outputs a low level signal. The first and fourth electronic switches are turned on. The second and third electronic switches are turned off. Power from the computer is transmitted to an electronic device with the USB interface. | 11-14-2013 |
20130315728 | FIXING DEVICE FOR FAN - A fixing device includes a support fixed in a chassis, and a bracket installing a fan. The support includes a mounting plate. The mounting plate defines a vent area and a number of latching holes located around the vent area. The bracket includes a number of pins respectively latched into the latching holes of the support and a positioning portion. A tab protrudes from the support, to engage with the positioning portion of the bracket. An elastic portion extends down from the bracket to resiliently abut against the chassis. | 11-28-2013 |
20140001933 | CHASSIS OF ELECTRONIC DEVICE | 01-02-2014 |
20140043095 | VOLTAGE-STABILIZING CIRCUIT - A voltage-stabilizing circuit for stabilizing an output voltage of a power integrated circuit (IC) includes an electronic switch and an RC circuit. The RC circuit includes a resistor and a capacitor. A first terminal of the resistor receives an enable signal and is connected to a control terminal of the electronic switch. A second terminal of the resistor is grounded through the capacitor, and is further connected to an enable pin of the power IC. A first terminal of the electronic switch is connected to a node between the resistor and the capacitor. A second terminal of the electronic switch is grounded. | 02-13-2014 |
20140063697 | ELECTRONIC DEVICE WITH DETACHABLE MODULE - An electronic device includes an enclosure and a detachable module. The enclosure includes a positioning wall and a positioning pin protruding in from a first end of the positioning wall. The detachable module includes a side plate parallel to the positioning wall, a latching member rotatably mounted to the side plate, and a resilient member fixed to the latching member to resiliently abut the side plate. A latching block extends down from a distal end of the latching member. The latching block includes a guiding surface on a bottom of the latching block and an engaging surface. The detachable module is inserted into the enclosure from a second end of the positioning wall. The guiding surface slides along the positioning pin, to allow the latching member to rotate, deforming the resilient member, until the engaging surface abuts the positioning pin. | 03-06-2014 |