公开(公告)号：US07917779B2

公开(公告)日：2011-03-29

申请号：US12036272

申请日：2008-02-24

申请人： Jin-Liang Xiong

发明人： Jin-Liang Xiong

IPC分类号： G06F1/26

CPC分类号： G06F1/26

摘要： A power control apparatus for automatically turning on and off a motherboard, the power control apparatus includes a power supply supplying electric power to the motherboard periodically, a control circuit including a first switch element, a second switch element, a first capacitor, a second capacitor, a first resistor, and a second resistor. When the power supply is powered up, the second capacitor is charged, the second switch element is turned on, a second terminal of the second switch element outputs a low level signal to power up the motherboard. When the motherboard is powered up, the first capacitor is charged, the first switch element is turned on, the second switch element is turned off, the second terminal of the second switch element outputs a high level signal. The motherboard is powered off when the power supply is powered off.

摘要翻译： 一种用于自动打开和关闭主板的电力控制装置，所述电力控制装置包括周期性地向所述母板供电的电源，包括第一开关元件，第二开关元件，第一电容器，第二电容器 ，第一电阻器和第二电阻器。 当电源通电时，第二电容器被充电，第二开关元件被接通，第二开关元件的第二端子输出低电平信号以使母板上电。 当主板上电时，第一电容器被充电，第一开关元件接通，第二开关元件断开，第二开关元件的第二端子输出高电平信号。 当电源关闭时，主板关闭电源。

公开(公告)号：US07751158B2

公开(公告)日：2010-07-06

申请号：US11960753

申请日：2007-12-20

申请人： Cheng Qian ,  Jin-Liang Xiong ,  Ning Wang

发明人： Cheng Qian ,  Jin-Liang Xiong ,  Ning Wang

IPC分类号： H02H3/22

CPC分类号： H02M3/1584 ,  H02M1/32

摘要： An exemplary voltage regulator module (VRM) control circuit includes a VRM providing a plurality of phases, each of the phases connected to a control terminal of a corresponding electric switch; a comparator comprising a non-inverting terminal connected to a first power source and grounded via the electric switches respectively, an inverting terminal connected to a reference voltage, and an output terminal; and a control switch connected between an enable terminal of the VRM and ground, the control switch comprising a control terminal connected to the output terminal of the comparator, wherein, if one of the phases of the VRM is lost, the corresponding electric switch is turned off, and a voltage of the non-inverting terminal of the comparator is higher than the reference voltage, the comparator outputs a control signal to the control switch for turning on the control switch, thus turning off the VRM.

摘要翻译： 示例性的电压调节器模块（VRM）控制电路包括提供多个相位的VRM，每个相位连接到相应的电开关的控制端; 比较器，其包括连接到第一电源并且经由电开关分别接地的同相端子，连接到参考电压的反相端子和输出端子; 以及控制开关，其连接在所述VRM的使能端子和地之间，所述控制开关包括连接到所述比较器的输出端子的控制端子，其中，如果所述VRM的所述相位之一丢失，则相应的电开关被转动 关断，并且比较器的同相端子的电压高于参考电压，比较器向控制开关输出控制信号以接通控制开关，从而关闭VRM。

公开(公告)号：US07746044B2

公开(公告)日：2010-06-29

申请号：US11829099

申请日：2007-07-27

申请人： Ying Chen ,  Jin-Liang Xiong

发明人： Ying Chen ,  Jin-Liang Xiong

IPC分类号： G05F1/40 ,  H02J1/00

CPC分类号： G06F1/28

摘要： A power supply system for a motherboard includes a voltage regulator circuit includes a system power source, and a voltage output terminal, a sampling circuit having an input, and an output receiving a high level sleep signal from a south bridge of the motherboard, a switching circuit having an input, and an output, a power connector having a control terminal connected to the output of the switching circuit, and a power source being connected to the power connector. When the voltage regulator circuit outputs a voltage greater than a predetermined stable voltage to the sampling circuit, the sampling circuit outputs a low level signal to the switching circuit which in return outputs a high level signal to the control terminal of the power connector to cut off power supply from the power source to the system power source.

摘要翻译： 一种用于母板的电源系统包括：电压调节器电路，包括系统电源和电压输出端子，具有输入的采样电路和从主板的南桥接收高电平睡眠信号的输出;开关 具有输入的电路和输出端，具有连接到开关电路的输出的控制端子的电源连接器以及连接到电源连接器的电源。 当电压调节器电路向采样电路输出大于预定的稳定电压的电压时，采样电路向开关电路输出低电平信号，输出高电平信号到电源连接器的控制端以切断 电源从电源到系统电源。

公开(公告)号：US07639152B2

公开(公告)日：2009-12-29

申请号：US11858122

申请日：2007-09-20

申请人： Ying Chen ,  Jin-Liang Xiong

发明人： Ying Chen ,  Jin-Liang Xiong

IPC分类号： G08B21/00

CPC分类号： G06F1/206 ,  G06F11/0772

摘要： A fan failure alarm device includes a first digital-analog converting circuit (200), a first diode (D11), a switching circuit (260), an input-output (I/O) controller (U11), and an alarm circuit (270). The first digital-analog converting circuit receives a digital pulse signal from a first fan, and outputs a direct current (DC) voltage signal at an output terminal. The first diode with a cathode coupled to the output terminal of the first digital-analog converting circuit, the first diode turns on when the first fan stops rotating. The switching circuit with an input terminal coupled to an anode of the first diode, outputs a first control signal when the fan rotates normally and outputs a second control signal when the fan stops rotating. The input-output (I/O) controller receives the first and second control signals from the switching circuit, and outputs an alarm signal when receives the second control signal. The alarm circuit receives the alarm signal from the I/O controller, and activates an alarm.

摘要翻译： 风扇故障报警装置包括第一数模转换电路（200），第一二极管（D11），开关电路（260），输入输出（I / O）控制器（U11）和报警电路 270）。 第一数模转换电路从第一风扇接收数字脉冲信号，并在输出端输出直流（DC）电压信号。 具有阴极的第一二极管耦合到第一数字 - 模拟转换电路的输出端，当第一个风扇停止转动时，第一个二极管导通。 具有耦合到第一二极管的阳极的输入端的开关电路在风扇正常转动时输出第一控制信号，并且当风扇停止转动时输出第二控制信号。 输入输出（I / O）控制器从开关电路接收第一和第二控制信号，并在接收到第二控制信号时输出报警信号。 报警电路从I / O控制器接收报警信号，并启动报警。

公开(公告)号：US07608941B2

公开(公告)日：2009-10-27

申请号：US12038819

申请日：2008-02-28

申请人： Jin-Liang Xiong

发明人： Jin-Liang Xiong

IPC分类号： H02J1/00

CPC分类号： G06F1/26 ,  Y10T307/406 ,  Y10T307/747 ,  Y10T307/76

摘要： An exemplary adaptor circuit of a power supply includes a power connector, a first electric switch, a second electric switch, and an output terminal. The power connector includes a power good pin and a power pin. The first electric switch has a first terminal connected to the power good pin of the power connector, a second terminal connected to the power pin of the power connector, and a grounded third terminal. The second electric switch has a first terminal connected to the second terminal of the first electric switch, a second terminal connected to a first voltage terminal via a first transmission line or a second voltage terminal via a second transmission line by selectively mounting a connection component to close an open segment of the corresponding transmission line, and a grounded third terminal. The output terminal outputs a driving voltage signal to chipsets on a motherboard.

摘要翻译： 电源的示例性适配器电路包括电源连接器，第一电开关，第二电开关和输出端子。 电源连接器包括电源良好引脚和电源引脚。 第一电开关具有连接到电源连接器的电源良好引脚的第一端子，连接到电源连接器的电源引脚的第二端子和接地的第三端子。 所述第二电开关具有连接到所述第一电开关的第二端子的第一端子，经由第二传输线路经由第一传输线或第二电压端子连接到第一电压端子的第二端子，通过选择性地将连接部件安装到 关闭相应传输线的开放段，以及接地的第三终端。 输出端子将驱动电压信号输出到主板上的芯片组。

公开(公告)号：US07586346B2

公开(公告)日：2009-09-08

申请号：US11954236

申请日：2007-12-12

申请人： Jin-Liang Xiong

发明人： Jin-Liang Xiong

IPC分类号： H03L7/00

CPC分类号： G06F1/26

摘要： A power good signal generating circuit includes a first resistor and a capacitor, a system power is grounded via the first transistor and the capacitor in sequence; a first transistor, the base of the first transistor is for receiving a PS_ON signal from the motherboard, the collector of the first transistor is connected to a node between the first transistor and the capacitor; a second transistor, the gate of the second transistor is connected to the collector of the first transistor, the drain of the second transistor is connected to a standby power; and a third transistor, the base of the third transistor is connected to the drain of the second transistor, the collector of the third transistor is connected to the system power, for outputting a PWR_GOOD signal.

摘要翻译： 功率良好信号发生电路包括第一电阻器和电容器，系统功率通过第一晶体管和电容器依次接地; 第一晶体管，第一晶体管的基极用于从母板接收PS_ON信号，第一晶体管的集电极连接到第一晶体管和电容器之间的节点; 第二晶体管，第二晶体管的栅极连接到第一晶体管的集电极，第二晶体管的漏极连接到备用电源; 以及第三晶体管，第三晶体管的基极连接到第二晶体管的漏极，第三晶体管的集电极连接到系统电源，用于输出PWR_GOOD信号。

公开(公告)号：US07330003B2

公开(公告)日：2008-02-12

申请号：US11592940

申请日：2006-11-03

申请人： Tong Zhou ,  Jin-Liang Xiong ,  Jia-Hui Tu ,  Hua Xiao

发明人： Tong Zhou ,  Jin-Liang Xiong ,  Jia-Hui Tu ,  Hua Xiao

IPC分类号： H05B37/00

CPC分类号： H05B33/0887 ,  H05B33/0818 ,  Y02B20/341 ,  Y02B20/346

摘要： An exemplary backlight control circuit (200) includes two load circuits (210), a pulse width modulation integrated circuit (PWM IC) (250) having a current sampling pin (251), a switching circuit (270), a first input circuit (230) and a second input circuit (240) including an input resistor. Each load circuit includes a backlight (211, 221) and an output end (212, 222). The first input circuit includes a diode (231), a resistor (232), a capacitor (233) and a voltage division resistor (234). A negative terminal of the diode is connected to ground via the resistor and the capacitor respectively, and is connected to the switching circuit. A positive terminal of the diode is connected to one of the output end of the load circuits. The other one of the output ends of the load circuits is connected to the current sampling pin via the input resistor.

摘要翻译： 示例性背光控制电路（200）包括两个负载电路（210），具有电流采样引脚（251）的脉冲宽度调制集成电路（PWM IC）（250），开关电路（270），第一输入电路 230）以及包括输入电阻器的第二输入电路（240）。 每个负载电路包括背光源（211,221）和输出端（212,222）。 第一输入电路包括二极管（231），电阻器（232），电容器（233）和分压电阻器（234）。 二极管的负端子分别经由电阻器和电容器接地，并连接到开关电路。 二极管的正极端子连接到负载电路的输出端之一。 负载电路的另一个输出端通过输入电阻连接到电流采样引脚。

公开(公告)号：US20070109253A1

公开(公告)日：2007-05-17

申请号：US11592940

申请日：2006-11-03

申请人： Tong Zhou ,  Jin-Liang Xiong ,  Jia-Hui Tu ,  Hua Xiao

发明人： Tong Zhou ,  Jin-Liang Xiong ,  Jia-Hui Tu ,  Hua Xiao

IPC分类号： G09G3/36

CPC分类号： H05B33/0887 ,  H05B33/0818 ,  Y02B20/341 ,  Y02B20/346

摘要： An exemplary backlight control circuit (200) includes two load circuits (210), a pulse width modulation integrated circuit (PWM IC) (250) having a current sampling pin (251), a switching circuit (270), a first input circuit (230) and a second input circuit (240) including an input resistor. Each load circuit includes a backlight (211, 221) and an output end (212, 222). The first input circuit includes a diode (231), a resistor (232), a capacitor (233) and a voltage division resistor (234). A negative terminal of the diode is connected to ground via the resistor and the capacitor respectively, and is connected to the switching circuit. A positive terminal of the diode is connected to one of the output end of the load circuits. The other one of the output ends of the load circuits is connected to the current sampling pin via the input resistor.

摘要翻译： 示例性背光控制电路（200）包括两个负载电路（210），具有电流采样引脚（251）的脉冲宽度调制集成电路（PWM IC）（250），开关电路（270），第一输入电路 230）和包括输入电阻器的第二输入电路（240）。 每个负载电路包括背光源（211,221）和输出端（212,222）。 第一输入电路包括二极管（231），电阻器（232），电容器（233）和分压电阻（234）。 二极管的负端子分别经由电阻器和电容器接地，并连接到开关电路。 二极管的正极端子连接到负载电路的输出端之一。 负载电路的另一个输出端通过输入电阻连接到电流采样引脚。

公开(公告)号：US07821414B2

公开(公告)日：2010-10-26

申请号：US11965756

申请日：2007-12-28

申请人： Ying Chen ,  Jin-Liang Xiong

发明人： Ying Chen ,  Jin-Liang Xiong

IPC分类号： G08B21/00 ,  G08B23/00 ,  G01R31/14 ,  H02H3/08

CPC分类号： G01R19/16547 ,  G01R19/155 ,  G01R19/1658

摘要： A polyphase source detecting circuit configured for detecting a polyphase source having three sources includes three sampling circuits and an alarm circuit. Each sampling circuit has a control switch. A control terminal of the control switch of each sampling circuit is connected to one of the phase sources of the polyphase source respectively. The alarm circuit has a first transistor, a first LED, and a buzzer. The anode of the first LED is connected to a power supply. The cathode of the first LED is connected to the base of the first transistor and connected to ground via the control switches of the sampling circuits in turn. The collector of the first transistor is connected to the power supply via the buzzer. The emitter of the first transistor grounded.

摘要翻译： 用于检测具有三个源的多相源的多相源检测电路包括三个采样电路和一个报警电路。 每个采样电路都有一个控制开关。 每个采样电路的控制开关的控制端分别连接到多相源的一个相源。 报警电路具有第一晶体管，第一LED和蜂鸣器。 第一LED的阳极连接到电源。 第一LED的阴极连接到第一晶体管的基极，并依次通过采样电路的控制开关连接到地。 第一晶体管的集电极通过蜂鸣器连接到电源。 第一个晶体管的发射极接地。

公开(公告)号：US07791494B2

公开(公告)日：2010-09-07

申请号：US11838902

申请日：2007-08-15

申请人： Ying Chen ,  Jin-Liang Xiong ,  Ke-You Hu

发明人： Ying Chen ,  Jin-Liang Xiong ,  Ke-You Hu

IPC分类号： G08B21/00 ,  H02H7/00 ,  H02H3/00

CPC分类号： G01R19/16595

摘要： A voltage monitoring device includes a comparison voltage generating circuit for providing a comparison voltage, a comparator, an electronic switch, and an LED. The comparator outputs a control signal in response to a comparing result between the comparison voltage and a voltage output by a power supply. The electronic switch includes a first terminal receiving the output of the comparator, a second terminal connected to a reference voltage, and a third terminal connected to ground. The LED includes an anode connected to the reference voltage, and a cathode connected to the second terminal of the first electronic switch.

摘要翻译： 电压监视装置包括用于提供比较电压的比较电压产生电路，比较器，电子开关和LED。 比较器响应于比较电压和由电源输出的电压之间的比较结果输出控制信号。 电子开关包括接收比较器的输出的第一端子，连接到参考电压的第二端子和连接到地的第三端子。 LED包括连接到参考电压的阳极和连接到第一电子开关的第二端子的阴极。