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    • 1. 发明授权
    • Circuit for indicating operating status of computer hardware devices
    • 指示计算机硬件设备的运行状态的电路
    • US08120504B2
    • 2012-02-21
    • US12340754
    • 2008-12-22
    • Xun-Chun QiuGuang-Dong YuanChung-Chi HuangRong Hu
    • Xun-Chun QiuGuang-Dong YuanChung-Chi HuangRong Hu
    • G08B21/00
    • G06F11/325
    • A circuit for indicating operating status of a plurality of hardware devices of a computer includes a detecting module, a decoding module, and an indicating module. The indicating module includes a dual color indicator and two electronic switches connected to a first input and a second input of the dual color indicator respectively. The detecting module detects an operating status of the plurality of hardware devices, and outputs state signals of each hardware device during power on self test of the computer. The decoding module decodes the state signals, and outputs level control signals to turn on or off the two electronic switches. The dual color indicator indicates operating status of the plurality of hardware devices by shifted to be at different indicating states by the two electronic switches correspondingly.
    • 用于指示计算机的多个硬件设备的操作状态的电路包括检测模块,解码模块和指示模块。 指示模块包括分别连接到双色指示器的第一输入和第二输入的双色指示器和两个电子开关。 检测模块检测多个硬件设备的运行状态,并且在计算机的上电自检期间输出每个硬件设备的状态信号。 解码模块解码状态信号,并输出电平控制信号以打开或关闭两个电子开关。 双色指示器通过两个电子开关相应地转移到不同的指示状态来指示多个硬件设备的操作状态。
    • 3. 发明授权
    • Fan delay control circuit
    • 风扇延时控制电路
    • US08497650B2
    • 2013-07-30
    • US13219724
    • 2011-08-29
    • Xun-Chun QiuGuang-Dong Yuan
    • Xun-Chun QiuGuang-Dong Yuan
    • G05B5/00H02H7/08H02P1/00H02P3/00
    • F04D27/004
    • A fan delay control circuit includes a fan connector connected to a fan of an electronic device, a power supplying module connected to the fan connector, and a rotational speed controlling module connected to the power supplying module. The power supplying module is connected to a fan power source and a stand-by power source. The power supplying module may continue to supply power to the fan when the electronic device including the fan is powered off. The rotational speed controlling module includes a square wave generation circuit which generates a square wave signal to control a rotational speed of the fan even when the electronic device is powered off.
    • 风扇延迟控制电路包括连接到电子设备的风扇的风扇连接器,连接到风扇连接器的供电模块和连接到电力供应模块的转速控制模块。 电源模块连接到风扇电源和待机电源。 当包括风扇的电子设备断电时,供电模块可以继续向风扇供电。 旋转速度控制模块包括即使在电子设备断电时也产生方波信号以控制风扇的转速的方波发生电路。
    • 5. 发明申请
    • POWER SUPPLY SYSTEM HAVING STANDBY POWER
    • 具备待机功能的电源系统
    • US20070076506A1
    • 2007-04-05
    • US11309275
    • 2006-07-21
    • Xun-Chun Qiu
    • Xun-Chun Qiu
    • G11C5/14
    • G11C5/14G11C5/141G11C5/148
    • A power supply system for selectively supplying a main power and a standby power to a computer is provided. The power supply system comprises a transistor including a first terminal, a second terminal and a third terminal. The first terminal being coupled to a motherboard power source, the second terminal being coupled to a standby power source, and a voltage output port electrically connected to the third terminal of the transistor. The motherboard power source comprises a first Direct Current (DC) battery, a first resistor and a diode, the first resistor is in series between an anode of the first DC battery and an anode of the diode, a cathode of the first DC battery is grounded, and a cathode of the diode is electrically connected to the voltage output port.
    • 提供了一种用于向计算机选择性地提供主电源和备用电源的电源系统。 电源系统包括具有第一端子,第二端子和第三端子的晶体管。 第一端子耦合到母板电源,第二端子耦合到备用电源,以及电连接到晶体管的第三端子的电压输出端口。 主板电源包括第一直流(DC)电池,第一电阻器和二极管,第一电阻串联在第一直流电池的阳极和二极管的阳极之间,第一直流电池的阴极是 接地,并且二极管的阴极电连接到电压输出端口。
    • 6. 发明授权
    • Power supply system having standby power
    • 电源系统具有待机电源
    • US07640447B2
    • 2009-12-29
    • US11309275
    • 2006-07-21
    • Xun-Chun Qiu
    • Xun-Chun Qiu
    • G06F1/28
    • G11C5/14G11C5/141G11C5/148
    • A power supply system for selectively supplying a main power and a standby power to a computer is provided. The power supply system comprises a transistor including a first terminal, a second terminal and a third terminal. The first terminal being coupled to a motherboard power source, the second terminal being coupled to a standby power source, and a voltage output port electrically connected to the third terminal of the transistor. The motherboard power source comprises a first Direct Current (DC) battery, a first resistor and a diode, the first resistor is in series between an anode of the first DC battery and an anode of the diode, a cathode of the first DC battery is grounded, and a cathode of the diode is electrically connected to the voltage output port.
    • 提供了一种用于向计算机选择性地提供主电源和备用电源的电源系统。 电源系统包括具有第一端子,第二端子和第三端子的晶体管。 第一端子耦合到母板电源,第二端子耦合到备用电源,以及电连接到晶体管的第三端子的电压输出端口。 主板电源包括第一直流(DC)电池,第一电阻器和二极管,第一电阻串联在第一直流电池的阳极和二极管的阳极之间,第一直流电池的阴极是 接地,并且二极管的阴极电连接到电压输出端口。