Patent application number | Description | Published |
20130132665 | HARDDISK DRIVE CONNECTOR HAVING INDICATION DEVICE FOR INDICATING DATA TRANSFER RATE AND COMPUTING DEVICE HAVING THE SAME - A hard disk drive (HDD) connector includes a plurality of HDD interfaces being connected to a plurality of HDDs, and a data transfer rate (DTR) indication device for indicating a DTR of each of the HDDs connected to the HDD interfaces. The DTR indication device includes an indication unit, a setting unit, and a control unit. The indication unit defines a plurality of indication states, each of which indicates a type of DTR of the HDDs. The setting unit sets a control command that represents the DTR of the HDD connected to each of the HDD interfaces. The control unit receives the control command from the setting unit, and controls the indication unit to work at a corresponding indication state according to the control command, to indicate the DTR of each of the HDDs connected to the HDD interfaces. | 05-23-2013 |
20130147631 | SERVER SYSTEM AND FAN INDICATION METHOD - A server system includes a number of fan control units, a number of fan rows, a determination module, a control module, and a digital display unit. One fan control unit corresponds to one fan row. Each fan control unit reads a rotating speed of each fan mounted on a corresponding fan row, and encodes the read rotating speed positional information of the corresponding fan row and positional information of the fan on the corresponding fan row. The determination module determines whether the read rotating speed is within a predetermined rotating speed range. If the rotating speed is out of the predetermined rotating speed range, the determination module outputs the code of the one rotating speed to the control module. The control module controls a digital display unit to numerically display the code of the rotating speed. | 06-13-2013 |
20130212412 | CONTROL CIRCUIT FOR TERMINAL ELECTRONIC DEVICE - A control circuit for a terminal electronic device includes a network card, a wakeup circuit, a south bridge, a restart circuit, and a controller. The network card receives a remote control command from a remote apparatus, and generates a wakeup signal if the terminal electronic device is turned off. The wakeup circuit activates the terminal electronic device according to the wakeup signal. The south bridge provides a low voltage power signal if the terminal electronic device is turned off. The controller receives the wakeup signal and the low voltage power signal, and outputs a first control signal to the restart circuit to disable the restart circuit. | 08-15-2013 |
20130254561 | POWER SUPPLY DEVICE - A power supply device used to provide electric power to a number of servers includes a first power supply and a selection circuit. The selection circuit includes a number of NOT gates, a number of controllers, and a number of transistors. An input terminal of each NOT gate is electrically connected to one of the corresponding servers. Each controller is electrically connected an output terminal of one corresponding NOT gate. A gate of each transistor is electrically connected to one of the corresponding controller, a drain of each transistor is electrically connected to the first power supply, and a source of each transistor is electrically connected to one of the corresponding server. Wherein when some of the server is powered on, the powered on servers generate power on signals which are transmitted to the corresponding controllers, the controllers generates corresponding turn on signals to turn on the corresponding transistors. | 09-26-2013 |
20130278079 | ELECTRONIC DEVICE INCLUDING OVERHEATING PROTECTION DEVICE AND METHOD FOR USING THE SAME - An electronic device includes a main board and a heat dissipation device, and the heat dissipation device includes a plurality of fans and a micro control unit (MCU). The main board and the plurality of fans are electrically connected to the MCU. The MCU controls the plurality of fans to rotate, and each of the plurality of fans sends a feedback signal to the MCU as long as it is working normally. When a feedback signals from at least one of the plurality of fans in not received, the MCU applies a soft power-off to the main board after storing current data of the electronic device. | 10-24-2013 |
20130283074 | POWER INFORMATION CENTER OF SERVER SYSTEM - A server system includes at least one server unit, a power unit, and a control unit. The control unit includes at least one device module, a storage module, and a power module. The power module receives power information of the power unit in real-time, and the storage module stores the power information. All of the at least one server unit can simultaneously read the power information from the storage module through the at least one device module. | 10-24-2013 |
20130301155 | INDICATION CIRCUIT FOR INDICATING TRANSFER RATE OF HARD DISK DRIVE - An indication circuit includes a control unit, a decode unit, and a display unit. The control unit is configured to obtain a transfer rate of a hard disk drive (HDD) from a power on self test (POST) code transmitted by a basic input-output system (BIOS) chip, and transmit a rate signal corresponding to the transfer rate of the HDD. The decode unit is configured to decode the rate signal to obtain the transfer rate, and output a decode signal corresponding to the transfer rate. The display unit is configured to display the transfer rate. | 11-14-2013 |
20130301365 | DEDICATED REFERENCE VOLTAGE GENERATION CIRCUIT FOR MEMORY - A memory includes a data pin, an address pin, and a reference voltage generation circuit. The reference voltage generation circuit includes a first reference voltage generation circuit and a second reference voltage generation circuit. The first reference voltage generation circuit is electronically connected to the data pin, and supplies a reliable first reference voltage to the data pin. The second reference voltage generation circuit is electronically connected to the address pin, and supplies a reliable second reference voltage to the address pin. | 11-14-2013 |
20130311795 | POWER SUPPLY MANAGEMENT SYSTEM AND METHOD FOR SERVER - A management system includes two motherboards assigned with different identities, a complex programmable logic device (CPLD), and a switch unit. Each motherboard includes a baseboard management controller (BMC) employed to receive a control signal from a client. The BMC outputs an operation signal corresponding to the control signal and an identity of the motherboard. The CPLD is configured to store the control signal and the identity as a record in a priority list, and determine whether the priority list is a void list. The CPLD outputs a switch signal according to the identity of the record obtained from the priority list in response to the priority list not being a void list. The switch unit is configured to receive the switch signal from the CPLD, and enable a power supply unit to power the corresponding motherboard. | 11-21-2013 |
20130318389 | POWER SUPPLY MANAGEMENT SYSTEM AND METHOD - A power supply management system includes a number of motherboards, a number of power supply units (PSUs), a number of sampling units, and a processor. Each sampling unit is being coupled between a motherboard and a PSU, and outputting a signal as to a normal or abnormal power supply. Thus in the event of a PSU malfunction, the processor identifies the motherboard which is consuming the greatest amount of power, and outputs an alarm to the identified motherboard to reduce the level of power being consumed by that motherboard. | 11-28-2013 |
20140006697 | MEMORY BANK HAVING WORKING STATE INDICATION FUNCTION | 01-02-2014 |
20140006811 | POWER SUPPLY CIRCUIT FOR HARD DISK BACKPLANE AND SERVER SYSTEM USING SAME | 01-02-2014 |
20140006832 | POWER SUPPLY CIRCUIT AND HARD DISK BACKPLANE USING SAME | 01-02-2014 |
20140009849 | HARD DISK HAVING FUNCTION OF OUTPUTTING WORKING STATE - A hard disk of a computer system includes a platter, a spindle motor, a magnetic head, a cache, an interface for connections, and a main control chip. The main control chip within the hard disk detects whether or not each of the cache, the platter, the spindle motor, and the magnetic head are individually working normally. When any of the cache, the platter, the spindle motor, and the magnetic head is not working normally, the main control chip outputs a signal accordingly to an external device connected to the interface. | 01-09-2014 |
20140013044 | COMPUTER SYSTEM HAVING FUNCTION OF DETECTING WORKING STATE OF MEMORY BANK - A memory bank of a computer system includes a detection unit for detecting working state of a storage chip and a register chip of the memory bank. The detection unit detects whether the storage chip and the register chip work normally and outputs detection signals to a motherboard of the computer system according to the detection of the storage chip and the register chip. The motherboard performs predetermined operations according to the detection signals, thus indicating the working state of the storage chip and the register chip. | 01-09-2014 |
20140013130 | EXPANSION CIRCUIT FOR SERVER SYSTEM AND SERVER SYSTEM USING SAME - An expansion circuit for a server system includes a power input terminal, a first output terminal and a second output terminal. The power input terminal is configured to receive a first voltage. The first output terminal is configured to receive the first voltage from the power input terminal and provide the first voltage to a first hard disk drive group of the server system. The second output terminal is configured to receive the first voltage from the power input terminal and provide the first voltage to a second hard disk drive group of the server system when the first hard disk drive group and the second hard disk drive group are controlled by a same server. | 01-09-2014 |
20140040644 | EXPANSION CIRCUIT FOR SERVER SYSTEM AND SERVER SYSTEM USING SAME - An expansion circuit for a server system includes a first output terminal, a second output terminal, a switch circuit and a detection circuit. The first output terminal receives a first voltage and providing the first voltage to a first hard disk drive group. The second output terminal receives the first voltage and provides the first voltage to a second hard disk drive group. The switch circuit is connected between the first and the second output terminals. The detection circuit detects a number of the at least one server which is electrically connected to the expansion circuit. When two servers are electrically connected to the expansion circuit, the detection circuit switches off the switch circuit. When a server is electrically connected to the expansion circuit, the detection circuit switches on the switch circuit. | 02-06-2014 |
20140086746 | CONTROL CIRCUIT FOR FAN - A control circuit includes a temperature measuring module, a fan controller, and a conversion circuit. The temperature measuring module measures temperature of an electronic element. The fan controller stores a data table, the data table includes a number of temperature values and duty cycle of a number of pulse width modulation (PWM) signals corresponding to the temperature values. The fan controller reads the measured temperature from the temperature measuring module and outputs a control signal according to the stored data table. The conversion circuit is connected between the fan controller and a fan connector, to receive the control signal from the fan controller and convert the control signal to a PWM signal, and output the PWM signal to a fan connected to the fan connector, to control a rotation speed of the fan. | 03-27-2014 |
20140097781 | CONTROL CIRCUIT FOR FAN - A control circuit includes a temperature measuring module and a control module. The temperature measuring module includes a thermistor. The thermistor is arranged adjacent to an electronic element. The control module includes a monitoring chip and a register. The register stores a number of temperature values and duty cycle of a number of pulse width modulation (PWM) signals corresponding to the temperature values. The monitoring chip obtains temperature of the electronic element measured by the thermistor and outputs a PWM signal according to the measured temperature, to control a rotation speed of the fan. | 04-10-2014 |
20140104785 | COOLING SYSTEM FOR SERVER SYSTEM - A server system that includes a rack defining a number of spaces arranged in different levels of the rack includes a number of servers received in the spaces. A cooling system includes a number of fans arranged on an outer back of the number of servers. Two of the servers arranged on two different levels of the rack share at least two fans. The two servers supply power to the fans through different fan backplanes to form corresponding inlet and outlet channels for cooling the servers. | 04-17-2014 |
20140105247 | TEMPERATURE MEASUREMENT SYSTEM FOR HARD DISK DRIVE - A temperature measurement system for a hard disk drive (HDD) includes a bipolar junction transistor (BJT) set inside the HDD, a temperature sensor, and a baseboard management controller (BMC) connected to the temperature sensor. A base of the BJT is connected to a collector of the BJT. The collector of the BJT is further connected to a first idle pin of a connector of the HDD. An emitter of the BJT is connected to a second idle pin of the connector of the HDD. The temperature sensor is connected to the first and second idle pins of the connector. The temperature sensor senses a voltage difference between the collector and the emitter of the BJT to obtain the temperature of the HDD. The BMC receives the temperature obtained through the temperature sensor. | 04-17-2014 |
20140115399 | SERVER SYSTEM - An exemplary system server includes a first server, a second server, and a bridge board. The bridge board includes a printed circuit board and a power input positioned on the printed circuit board. The power input receives power from a power source. The first server includes a first controller and a first ground end connected to ground. The first controller includes a first detecting end connected to the power input. The second server includes a second controller and a second ground end. The second ground end connects the first detecting end to ground via the bridge board. The first controller determines whether the second server functions according to a voltage of the first detecting end. | 04-24-2014 |
20140122914 | VOLTAGE DETECTION SYSTEM FOR MEMORY MODULE - A voltage detection system for a number of memory slots includes a platform controller hub (PCH) chip and an integrated baseboard management controller (iBMC) chip. The PCH chip obtains a type of an actual voltage of each memory slot, and outputs a corresponding control signal to the iBMC chip. The iBMC chip obtains the type of the actual voltage of each memory slot according to the corresponding control signal, and diagnoses the memory set with the type of actual voltage type of the corresponding memory set. | 05-01-2014 |
20140129821 | TEST SYSTEM AND METHOD FOR COMPUTER - A test system for a computer includes a basic input/output system (BIOS) chip, a platform controller hub (PCH) chip, and a baseboard management controller (BMC) chip. The PCH chip performs a test on a component of the computer according to a control instruction outputted by the BIOS chip to determine an operation state of the component. The PCH chip outputs state signals to the BMC chip through a corresponding general purpose input output (GPIO) pin according to a test result of the component. The BMC chip obtains test information according to the state signals received from the corresponding GPIO pin. | 05-08-2014 |
20140134000 | FAN CONTROL CIRCUIT - A control circuit controls a fan to cool an integrated baseboard management controller (iBMC) in a server. The control circuit includes a state determination module. When the server is powered off and the iBMC is operating, the state determination module receives low level signals from a power supply unit (PSU) and the iBMC. The state determination module connects the PSU and the fan, such that the fan is operating. When the server and the iBMC are powered off, the state determination module receives a low level signal from the PSU and a high level signal from the iBMC. The state determination module disconnects the PSU from the fan, turning the fan off. When the server is operating, the state determination module receives a high level signal from the PSU. The state determination module disconnects the PSU from the fan, turning the fan off. | 05-15-2014 |
20140146296 | PROJECTOR - A projector includes a projector body, a mount fixed to a top of the projector body, and a projector lens assembly rotatably mounted to a top of the mount and electrically connected to the projector body. An inputting module and a processor are arranged in the projector body. A light source, a light engine, and a lens are arranged in the projector lens assembly. The inputting module receives image data and sends the image data to the processor. The processor creates instructions according to the image data. The projector lens assembly projects an image which reflects the image data, according to the instructions. | 05-29-2014 |
20140147289 | FAN CONTROL CIRCUIT - A control circuit controls a fan to cool an integrated baseboard management controller (iBMC) in a server. The control circuit includes a state determination module. When the server is powered off and the iBMC is operating, the system power signal from a power supply unit (PSU) of the server is at a low level, the state signal from the iBMC is at a low level signal, the fan operates. When the server and the iBMC are powered off, the system power signal from the PSU is at a low level, and the state signal from the iBMC is at a high level, the fan is powered off. When the server is operating, the system power signal from the PSU is at a high level, the fan is powered off. | 05-29-2014 |
20140164754 | DEVICE IN COMPUTER SYSTEM - A device includes a PCH including a reset control pin and a disable control pin. A BIOS chip to control the PCH to send a low logic level from the reset control pin to the reset pin to reset a Ethernet controller. A timing adjusting circuit and the Ethernet controller. The Ethernet controller includes a rest pin and a disable pin, the rest pin is connected to the reset control pin via the timing adjusting circuit, and the disable pin is connected to the disable control pin via the timing adjusting circuit. The PCH sends a low logic level from the disable control pin to the disable pin to disable the Ethernet controller, and the timing adjusting circuit delays the low logic level, which makes the low logic level of the disable pin come later than the high logic level of the reset pin. | 06-12-2014 |
20140167511 | FAN CONTROL BOARD - A fan control board with a fan control function is applied in an electronic device. The device includes a number of first connectors, a number of switches, a number of second connectors, and a control chip. Each first connector is connected to one of fan connectors of a main board of the electronic device. Each second connector is connected to one of the first connectors, one fan of the electronic device, and the control chip via one switch. The control chip is further connected to a power source of the electronic device. The control chip sequentially turns on one of the switches when the electronic device is powered on. | 06-19-2014 |
20140168925 | EXPANSION CARD AND MOTHERBOARD FOR SUPPORTING THE EXPANSION CARD - A motherboard assembly includes a motherboard and an expansion card. The motherboard includes an expansion slot with a first idle pin connected to a standby power through a resistor. The expansion card includes an edge connector having a second idle pin and first to fifth electronic switches. When the first electronic switch receives a high level signal through the first and second idle pins, the first and fourth electronic switches are turned on. The second, third, and fifth electronic switches are turned off. The second system power outputs a standby voltage through the standby voltage output terminal. When the first electronic switch receives a low level signal, the first and fourth electronic switches are turned off. The second, third, and fifth electronic switches are turned on. The standby power outputs a standby voltage through the standby voltage output terminal. | 06-19-2014 |
20140169872 | MOUNTING DEVICE FOR EXPANSION CARD - A mounting device for expansion card includes a main body and a holding member. The holding member includes a fixing member mounted to the main body, and a pivoting member pivotably mounted to the fixing member. The pivoting member defines a slot to receive an end of an expansion card. | 06-19-2014 |
20140173146 | HARD DISK DRIVE MODULE HAVING USB INTERFACE AND ELECTRONIC DEVICE USING THE HARD DISK DRIVE MODULE - A hard disk drive module includes a hard disk drive, a bracket, a hard disk drive backplane, and a USB interface unit. The bracket supports the hard disk drive. The hard disk drive backplane is electrically connected to the hard disk drive. The USB interface unit includes a USB interface circuit arranged on the bracket and a cable connected between the USB interface circuit and the hard disk drive backplane. | 06-19-2014 |
20140177097 | HARD DISK DRIVE MODULE HAVING TEMPERATURE DETECTING FUNCTION - A hard disk drive module comprises a hard disk drive, a bracket, a hard disk drive backplane, and a temperature detecting circuit. The bracket supports the hard disk drive. The hard disk drive backplane is electrically connected to the hard disk drive. The temperature detecting circuit comprises a temperature detecting chip arranged on the bracket, and a cable connected between the temperature detecting chip and the hard disk drive backplane. | 06-26-2014 |
20140177676 | TEMPERATURE DETECTING DEVICE FOR HARD DISK DRIVE MODULE - A temperature detecting device is arranged on a hard disk drive module. The temperature detecting device comprises a temperature detecting unit and a connection unit. The temperature detecting unit is arranged on a chassis of an electronic device having at least one hard disk drive module. The connection unit is arranged on a bracket of the hard disk drive module and connected between the temperature detecting unit and a cooling control system. | 06-26-2014 |
20140184254 | DEBUG CARD - A debug card includes a connector, a control chip, a pin switching unit, and a control module. The connector is used to connect to a debug signal output port of an electronic device. The connector includes a number of pins. The control chip includes a number of control pins. The pin switching unit is connected between the pins of the connector and the control pin of the control chip. The control module is connected to the pin switching unit, and controls the pin switching unit to establish a first connection relationship between the pins of the connector and the control pins of the control chip by a first connection mode or establish a second connection relationship between the pins of the connector and the control pins of the control chip by a second connection modes. | 07-03-2014 |
20140185227 | COMPUTER SYSTEM HAVING CAPACITY INDICATION FUNCTION OF SERIAL ADVANCED TECHNOLOGY ATTACHMENT DUAL IN-LINE MEMORY MODULE DEVICE - A computer system includes a serial advanced technology attachment dual-in-line memory module (SATA DIMM) device and a motherboard. The SATA DIMM device includes a control chip and an edge connector. The motherboard includes a memory slot and a light emitting diode (LED). When the edge connector is inserted into the memory slot, first power pins, first ground pins, and first indication pin of the memory slot are respectively connected to second power pins, second ground pins, and second indication pin of the SATA DIMM device. The motherboard outputs a voltage to the control chip through the first and second power pins. The control chip detects and calculates the storage capacity of the SATA DIMM device and outputs a control signal to control the LED to turn on or not, for displaying free memory capacity of the SATA DIMM device. | 07-03-2014 |
20140189891 | HARD DISK ASSEMBLY AND ELECTRONIC DEVICE USING SAME - A hard disk assembly includes a frame, a hard disk, and a lock device. The hard disk is assembled in the frame. The lock device is located in the frame. The hard disk assembly is installed in an electronic device. The electronic device includes a support. The frame is slidably installed in the support. The lock device stores a predetermined password and receives a password inputted by a user. The lock device unlocks the hard disk assembly from the support if the password inputted by the user matches the predetermined password. | 07-03-2014 |
20140209771 | MOUSE PAD - A mouse pad includes a supporting plate and a heat-conduction cover mounted on the supporting plate. The supporting plate defines a number of airflow channels communicating with air outlets of a notebook computer. | 07-31-2014 |
20140211414 | HEAT DISSIPATION DEVICE AND ELECTRONIC DEVICE USING SAME - A heat dissipation device is for dissipating heat generated from an electronic device, and includes at least one fan and a control device. The control device detects a rotational speed of each of the at least one fan, determines whether the rotational speed of the at least one fan is less than a predetermined value, and determines whether an notification signal is output based on the determination. | 07-31-2014 |
20140218627 | TELEVISION SET - A television set includes a front cover, a back cover, a display panel, a receiving body, and a circuit board. The front cover and the back cover define a receiving space. The display panel and the receiving body are received in the receiving space, and the circuit board is latched in the receiving body and drives the display panel. The front cover defines a first notch on a side frame; the receiving body is inserted into the receiving space via the first notch. The circuit board is physically separated from the display panel, thus the circuit board is easy to separate from the display panel. Therefore it is convenient to repair the television set. | 08-07-2014 |
20140223039 | HARD DISK BOARD AND SERVER SYSTEM USING SAME - An exemplary server system includes at least one motherboard, a plurality of hard disks, and a hard disk board connected the hard disks to the at least one motherboard. The hard disk board includes a plurality of indicators indicating a status of each of the hard disks, a first connector connected to the indicators, and a second connector connected to part of the indicators. | 08-07-2014 |
20140247038 | FAN SPEED TESTING DEVICE - A fan speed testing device is provided. The device includes a power jack, a voltage conversion module, a first fan connector, a DIP switch, and a control module. The first fan connector receives voltage from the power jack and outputs a PWM signal to a fan, receives a first feedback signal from the fan, and outputs the first feedback signal to the control module. The control module receives the predetermined voltage, sets the rotation speed of the fan as marked or predicted by the manufacturer, and outputs the generated PWM signal to the first fan connector. The control module further analyzes the first feedback signal to determine an actual rotation speed of the fan, and outputs the predicted rotation speed of the fan and the first actual rotation speed of the fan, by visual or audible signal to the user for comparison purposes. | 09-04-2014 |
20140255213 | POWER SUPPLY CIRCUIT - A power supply circuit includes a connector for a fan, a speed adjusting circuit, a speed feedback circuit, a control module, first and second power sources, and a switching module. The speed adjusting circuit is connected to a modulation pin of the connector. The speed feedback circuit is connected to a speed pin of the connector. The control module receives a speed signal from the fan through the speed feedback circuit and outputs signals correspondingly. The switching module selects the first or the second power source to supply power for the fan according to the signals from the control module. | 09-11-2014 |
20140292525 | INDICATION CIRCUIT FOR INDICATING ROTATION SPEED OF FANS - An indication circuit for indicating the rotation speeds of fans of a server includes a connector, a microprocessor, a number of light emitting diodes (LEDs) and resistors which correspond to the LEDs one-to-one. The connector is connected to the fans. The microprocessor is connected to the connector and utilized to receive the rotation speed signals of the fans from the connector. A cathode of each LED is connected to a corresponding output terminal of the microprocessor through a resistor, and anodes of the LEDs are connected to a power source. | 10-02-2014 |
20140300405 | INRUSH CURRENT CONTROL CIRCUIT - A control circuit includes a control module, a delay module, and an electronic switch. The control module is connected between a power supply and a load. The delay module is connected to the control module and the electronic switch. A first terminal of the electronic switch is connected to the control module and the delay module. A second terminal of the electronic switch is connected to the power supply. A third terminal of the electronic switch is connected to the load. | 10-09-2014 |
20140300406 | INRUSH CURRENT CONTROL CIRCUIT - A control circuit includes a control module, a delay module, and an electronic switch. The control module is connected between a power supply and a load. The delay module is connected to the control module and the electronic switch. A first terminal of the electronic switch is connected to the control module and the delay module. A second terminal of the electronic switch is connected to the power supply. A third terminal of the electronic switch is connected to the load. | 10-09-2014 |
20140313611 | CONTROL CIRCUIT FOR HARD DISK DRIVE - A control circuit for a hard disk drive (HDD) includes a control chip, a connector connected between the control chip and a motherboard, and a function transform circuit connected between the control chip and the connector. A status pin of the control chip is connected to a status receiving pin of the connector through the function transform circuit, to send a working state signal of the hard disk drive to the status receiving pin of the connector. The status receiving pin shows a normal operation of the HDD through a light emitting diode connected to the status receiving pin. The function transform circuit provides a high level signal to a staggered spin-up pin of the control chip, to make the control chip control the hard disk drive to execute staggered spin-up function. | 10-23-2014 |
20140313873 | DETECTING APPARATUS FOR HARD DISK DRIVE - A detecting circuit for a number of hard disk drives (HDDs) includes a backplane, a control circuit, a converting circuit, and an integrated baseboard management controller (IBMC) chip. The backplane is connected to the HDDs and outputs state signals of the HDDs corresponding to operation information of the HDDs to the control circuit. The control circuit outputs parallel signals corresponding to the state signals to the converting circuit. The converting circuit converts the parallel signals into serial signals and outputs the serial signals to the IBMC chip. Operation information of the HDDs is obtained through the IBMC chip remotely. | 10-23-2014 |
20140327456 | DETECTING CIRCUIT FOR FAN INSTALLATION - Detecting circuit for a plurality fans includes a plurality of detecting units, a connection unit, a processing unit, and a plurality of indicating units whose number equals the number of the detecting units. The detecting units detect whether the fans have been properly installed and then output detection signals. The connection unit transfers the detection signals to the processing unit. The processing unit processes the detection signals and outputs judgment signals. The indicating units indicate installation states of the fans according to the judgment signals. | 11-06-2014 |
20140331768 | DETECTING CIRCUIT FOR FANS - A detecting circuit for a number of fans includes a connector module and a controller. The connector module includes a number of connectors. Each connector outputs a first signal or a second signal depending on the connection or non-connection to a fan. The controller receives a speed signal of the fan upon receiving the first signal which indicates a connected state. | 11-13-2014 |
20140334112 | MOTHERBOARD WITH CONNECTOR COMPATIBLE WITH DIFFERENT INTERFACE STANDARDS - A motherboard includes a first connector, a first signal module, a second signal module, a control module, a power module, and a switch module. The first connector is used to connect external devices to the motherboard. The first signal module and the second signal module are compatible for external devices under different interface standards. The control module outputs different control signals to control the switch module corresponding to the external device connected to the motherboard. The switch module connects the first signal module or the second signal module to the first connector corresponding to the control signals received from the control module. | 11-13-2014 |
20140334122 | RISER CARD ASSEMBLY - A riser card assembly includes two riser cards and two fixing members. Each riser card includes a plate, a first connector connected to a top side of the plate, a second connector connected to a side of the plate, and an edge connector extending from a bottom side of the plate. The riser cards are fixed to sides of the fixing members. A pin and a receiving portion are formed at a side of each fixing member. Each edge connector and the corresponding pin are capable of being engaged in the first connector of the other riser card and the corresponding receiving portion. | 11-13-2014 |
20140340795 | PROTECTION CIRCUIT - A protection circuit includes a protection module and a fan electrically connected to the protection module. The protection module includes a control chip, an inverter, and an electronic switch. An input terminal of the inverter is electrically connected to a voltage output terminal and the fan, and further electrically connected to a clear pin of the control chip. An output terminal of the inverter is electrically connected to a preparation pin of the control chip. A first terminal of the electronic switch is electrically connected to an output pin of the control chip. The first and second terminals of the electronic switch are electrically connected to a power source terminal A third terminal of the electronic switch is electrically connected to the voltage output terminal When the fan short-circuits, the power source terminal stops supplying power to the fan through the voltage output terminal | 11-20-2014 |
20140344481 | DETECTING SYSTEM FOR HARD DISK DRIVE - A detecting circuit for a hard disk drive includes a controller, a first connector, a second connector connected to the first connector, a processor, a feedback circuit, and an indicator circuit. The controller outputs a control signal to the indicator circuit upon receiving feedback data from the feedback circuit, to control the indicator circuit to send out an indicator message. The processor determines whether a connection between the first and second connectors or the hard disk drive is the cause of a malfunction depending on the indicator message sent out by the indicator circuit. | 11-20-2014 |
20140344484 | DETECTION SYSTEM FOR HARD DISK DRIVE - A detection system for detecting status of a plurality of hard disk drives includes a plurality of subsystems. Each of the subsystems includes a controller with a plurality of general purpose input output (GPIO) pins, a plurality of connectors respectively connected to the hard disk drives, a plurality of interfaces with data pins, and a plurality of indication units. Each indication unit includes a light-emitting diode (LED). When the hard disk drive disconnects from the corresponding GPIO pin of the controller or is damaged, the corresponding GPIO pin of the controller outputs a digital high signal to the corresponding indication unit, the corresponding LED is turned off. | 11-20-2014 |
20140347063 | FAN TEST DEVICE - A fan test device to connect a motherboard and a fan includes a power terminal, a first diode, a second diode, a control chip, a first connector, a second connector, a first electronic switch and a second electronic switch. The control chip is connected to signal pins and sensing pins of the first and second connectors. The first electronic switch is connected between the control chip and a power pin of the first connector. The second electronic switch is connected between the control chip and a power pin of the second connector. The control chip outputs different signals corresponding to the connection of the first and second connectors. | 11-27-2014 |
20140347064 | DEVICE FOR TESTING FAN - A fan testing device connects to the fan and a motherboard. The fan testing device includes a first connection module, a second connection module, a control chip, and an alarm module. The control chip is coupled to signal pins of the first and second connectors. The control chip outputs different signals to control the alarm module according to the connections of the first and second connection modules. | 11-27-2014 |
20140348652 | DEVICE FOR TESTING FAN - A fan test device to connect a motherboard and a fan includes a control chip, a first connector, a second connector, a first switch chip, a second switch chip, a first electronic switch, and a second electronic switch. The control chip is connected to sensing pins of the first and second connectors. The first electronic switch is connected between a power terminal and a power pin of the first connector. The second electronic switch is connected between the power terminal and a power pin of the second connector. The control chip outputs different signals corresponding to the connection of the first and second connectors to control the first and second switch chips. | 11-27-2014 |
20140354332 | SIGNAL TRANSMISSION DEVICE - A signal transmission device includes a driver chip and a receiver. The driver chip is connected to a signal source to receive a first signal. The driver chip compensates the first signal into a second signal according to a preset coefficient. The driver chip outputs the second signal to the receiver. | 12-04-2014 |
20140359173 | PORT INDICATING CIRCUIT FOR HARD DISK BACKPLANE AND SERVER SYSTEM - A port indicating circuit for a hard disk backplane of a server system includes a port circuit and an indicating circuit. The port circuit includes a control microchip and at least one selecting microchip. The hard disk backplane includes a number of ports. The server system includes a number of servers connected to some of the ports. The selecting microchip is connected to the control microchip and the remaining ports. If the control microchip detects that one or more standby servers form part of the server system, the control microchip selects the one or more standby server to connect to the remaining ports. If the control microchip does not detect that the one or more standby servers form part of the server system, the control microchip selects the servers to connect to the remaining ports. The indicating circuit indicates operating status of hard disks on the hard disk backplane. | 12-04-2014 |
20140359317 | MOTHERBOARD WITH CONNECTOR COMPATIBLE FOR DIFFERENT INTERFACE STANDARDS - A motherboard includes a first connector, a first signal module, a second signal module, a power module, and a switch module. The first connector is used to couple external devices to the motherboard. The first signal module and the second signal module are compatible for external devices under different interface standards. The first signal module outputs different signals to control the switch module corresponding to the external device. The switch module connects the first signal module or the second signal module to the first connector corresponding to the control signals received from the control module. | 12-04-2014 |
20140368146 | POWER CIRCUIT FOR DIFFERENT FANS - A power circuit for different types of fans includes first through sixth terminals, a control chip, first through third loads, and a connector. If a 3-pin fan is connected to the connector, only the first load connects the first and second terminals, and a control pin of the connector is idle. If a 4-pin fan is connected to the connector, the second load connects the third and fourth terminals, the third load connects the fifth and sixth terminals, and the first load does not connect the first and second terminals. The control pin receives a divided voltage to control fan speed. | 12-18-2014 |
20150015073 | POWER SUPPLY CIRCUIT - A power supply circuit includes a connector, a first power supply module, and a second power supply module. The first power supply module is connected to, and supplies power to, the connector. The second power supply module is connected to the connector and the first power supply module. The first power supply module stops supplying power to the connector and outputs a control signal to the second power supply module when a current flowing through the first power supply module exceeds a certain limit. The second power supply module supplies power to the connector when the second power supply module receives the control signal. | 01-15-2015 |
20150022927 | PROTECTION CIRCUIT FOR FAN - A fan with a protection circuit includes a connector, a fan operation circuit, and a protection circuit. The protection circuit includes a first resistor, a controller, and an electronic switch. The controller controls the electronic switch to be turned off when a current flowing through the first resistor is greater than a preset current. The controller controls the electronic switch to be turned on when the current flowing through the first resistor is less than the preset current, then the fan resumes normal working. | 01-22-2015 |
20150036249 | PROTECTION CIRCUIT FOR POWER SUPPLY UNIT - A protection circuit is coupled between a power supply unit and a device. The protection circuit includes a delay circuit, a power circuit, a switch circuit, and a determining circuit. The power supply unit supplies power to the device through the power circuit when the device works normally. The delay circuit receives a power good signal and outputs the power good signal after a preset period of time to the switch circuit. The switch circuit energizes the determining circuit when the switch circuit receives the power good signal. The determining circuit outputs a control signal to the power circuit to disconnect the power supply unit from the device when the device is short-circuited. | 02-05-2015 |
20150039915 | SERVER POWER SYSTEM - A server power system includes a backboard with a plurality of hard disk drive (HDD) units, a number of motherboards, and a number of power cables. The numbers of the HDD units, the motherboards, and the power cables are the same. Each HDD unit includes a number of HDDs. Each HDD of one HDD unit is coupled to a corresponding motherboard through a corresponding power cable. Each power cable includes a motherboard interface and an HDD interface. A ground pin and a power pin of the HDD interface are connected to a ground pin and a power pin of the motherboard interface correspondingly. The motherboard interface of each power cable is coupled to a power interface of the corresponding motherboard. The number of the power cables is selected to make the HDDs of each HDD unit coupled to the HDD interfaces of the corresponding power cables. | 02-05-2015 |
20150042165 | POWER MANAGEMENT CIRCUIT - A power management circuit includes a system connector, first and second power connectors, and a control chip. The system connector is used to connect a main server of a server system. The first power connector is used to connect a first power source and the second power connector is used to connect a second power source. The control chip is coupled to the system connector, the first power connector, and the second power connector. The control chip converts signals from the main server into control signals to the first and second power sources. The control chip processes signals from the first and second power sources and outputs the processed signals to the main server. | 02-12-2015 |
20150087166 | NETWORK ADAPTER CARD HAVING TWO SWITCHABLE NETWORK CONNECTORS - A network adapter card includes a main card, a first secondary card, and a second secondary card. The main card includes a PCIe male connector, an adapter female connector, and a first chip group connected between the PCIe male connector and the adapter female connector. The first chip group converts a PCIe signal to a SFI signal. The first secondary card includes a first adapter male connector and a SFP+ female connector connected to the first adapter male connector. The second secondary card includes a second adapter male connector, a RJ-45 female connector, and a second chip group connected between the second adapter male connector and the RJ-45 female connector. The second chip group converts the SFI signal to a RJ-45 signal. The first adapter male connector or the second adapter male connector is plugged to be connected to the adapter female connector. | 03-26-2015 |
20150089106 | EXPANSION CARD HAVING TWO SWITCHABLE CONNECTORS - An expansion card includes a PCIe connector, a non-PCIe connector, a signal switching module, and a signal processing module. The signal switching module includes a signal receiving unit and a signal transmitting unit. The PCIe connector is connected to the signal receiving unit and the signal transmitting unit. The non-PCIe connector is connected to the signal receiving unit and the signal transmitting unit. The signal processing module is connected to the signal receiving unit and the signal transmitting unit. Both of the signal receiving unit and the signal transmitting unit maintain receiving a high-level signal, and the PCIe connector is connected to the signal processing module. When both of the signal receiving unit and the signal transmitting unit receive a low-level signal, the non-PCIe connector is connected to the signal processing module. | 03-26-2015 |
20150089113 | EXPANSION CARD HAVING TWO SWITCHABLE CONNECTORS - An expansion card includes a PCIe connector, a non-PCIe connector, a signal switching module, and a signal processing module. The signal switching module includes a signal receiving unit and a signal transmitting unit. The PCIe connector is connected to the signal receiving unit and the signal transmitting unit. The non-PCIe connector is connected to the signal receiving unit and the signal transmitting unit. The signal processing module is connected to the signal receiving unit and the signal transmitting unit. When both of the signal receiving unit and the signal transmitting unit receive a high-level signal, the PCIe connector is connected to the signal processing module. When both of the signal receiving unit and the signal transmitting unit receive a low-level signal, the non-PCIe connector is connected to the signal processing module. | 03-26-2015 |