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    • 2. 发明授权
    • Computer wake up circuit
    • 电脑唤醒电路
    • US08566622B2
    • 2013-10-22
    • US13155419
    • 2011-06-08
    • Hai-Li WangXian-Kui Chen
    • Hai-Li WangXian-Kui Chen
    • G06F1/32
    • G06F1/3206
    • A computer wake up circuit, for awaking a computer which is in a sleep state via a computer serial port, includes an AT89 series microcontroller, a switching circuit, an input circuit. The switching circuit is coupled to the pins P3.2 (INT0) and P3.7 of the AT89 series microcontroller, for triggering the AT89 series microcontroller to output an control signal. The input circuit comprises a first resistance, a control switch, a second resistance, and a third resistance. One end of the first resistance is coupled to pin P3.1 (TXD) of the AT89 series microcontroller, the other end of the first resistance is coupled to an input end of the control switch. An output end of the control switch is coupled to the second pin of the computer serial port via the second resistance, and is coupled to the third pin of the computer serial port via the third resistance.
    • 计算机唤醒电路,用于通过计算机串行端口唤醒处于睡眠状态的计算机,包括AT89系列微控制器,开关电路,输入电路。 开关电路耦合到AT89系列微控制器的引脚P3.2(INT0)和P3.7,用于触发AT89系列微控制器输出一个控制信号。 输入电路包括第一电阻,控制开关,第二电阻和第三电阻。 第一个电阻的一端耦合到AT89系列微控制器的引脚P3.1(TXD),第一个电阻的另一端耦合到控制开关的输入端。 控制开关的输出端通过第二电阻耦合到计算机串行端口的第二引脚,并通过第三个电阻耦合到计算机串行端口的第三个引脚。
    • 3. 发明授权
    • Testing device and method thereof
    • 测试装置及其方法
    • US08432178B2
    • 2013-04-30
    • US12826911
    • 2010-06-30
    • Xian-Kui ChenHai-Li Wang
    • Xian-Kui ChenHai-Li Wang
    • G01R31/02G01R31/28G01F11/00
    • G06F1/305
    • A testing device for testing a board managing controller (BMC) of a computer motherboard including a power supply, a BMC, and a warning unit, includes a storing module, a voltage adjusting module, and a voltage displaying module. The storing module stores a preset warning voltage and an upper limit voltage larger than the preset warning voltage. The voltage adjusting module is used for adjusting the voltage of the power supply. The voltage displaying module is used for displaying the output voltage of the voltage adjusting module. It indicates the BMC works properly if the warning unit provides warning when the output voltage of the voltage adjusting module is less than the preset warning voltage, or the warning unit is silent when the output voltage of the voltage adjusting module falls between the preset warning voltage and the upper limit voltage.
    • 一种用于测试包括电源,BMC和警告单元的计算机主板的板管理控制器(BMC)的测试装置,包括存储模块,电压调节模块和电压显示模块。 存储模块存储预设的警告电压和大于预设警告电压的上限电压。 电压调节模块用于调节电源电压。 电压显示模块用于显示电压调节模块的输出电压。 如果电压调节模块的输出电压小于预设的警告电压,警告单元提供警告,或者当电压调节模块的输出电压落在预设的警告电压之间时,警告单元无声,表示BMC正常工作 和上限电压。