Apparatus and method for testing PS/2 interface
    2.
    发明授权
    Apparatus and method for testing PS/2 interface 失效
    用于测试PS / 2接口的设备和方法

    公开(公告)号:US07484156B2

    公开(公告)日:2009-01-27

    申请号:US11474755

    申请日:2006-06-26

    IPC分类号: G06F11/00

    CPC分类号: G01R31/319

    摘要: An apparatus for automatic testing of a PS/2 interface includes a micro controller unit, a PS/2 port, and a plurality of LEDs. The micro controller unit is coupled with both a data pin and a clock pin of the PS/2 interface. The LEDs coupled to the micro controller unit simulate functions of a keyboard. A related method for testing the PS/2 interface is also provided.

    摘要翻译: 用于PS / 2接口的自动测试的装置包括微控制器单元,PS / 2端口和多个LED。 微控制器单元与PS / 2接口的数据引脚和时钟引脚相连。 耦合到微控制器单元的LED模拟键盘的功能。 还提供了一种用于测试PS / 2接口的相关方法。

    SYSTEM AND METHOD FOR TESTING A CARD READER OF A COMPUTER
    3.
    发明申请
    SYSTEM AND METHOD FOR TESTING A CARD READER OF A COMPUTER 审中-公开
    用于测试计算机的读卡器的系统和方法

    公开(公告)号:US20070080205A1

    公开(公告)日:2007-04-12

    申请号:US11308734

    申请日:2006-04-27

    IPC分类号: G06F17/00 G06K7/00

    CPC分类号: G06F11/2221

    摘要: A method for testing a card reader includes the steps of: identifying a logical drive corresponding to the card reader; determining whether the card reader matches a portable storage device connected to the card reader; displaying error information if the card reader does not match the portable storage device; obtaining a control code of the portable storage device if the card reader matches the portable storage device; testing the performance of the card reader by means of reading and writing data in the portable storage device through the card reader according to the control code.

    摘要翻译: 用于测试读卡器的方法包括以下步骤:识别对应于读卡器的逻辑驱动器; 确定读卡器是否匹配连接到读卡器的便携式存储设备; 如果读卡器与便携式存储设备不匹配则显示错误信息; 如果读卡器与便携式存储设备匹配,则获得便携式存储设备的控制代码; 通过根据控制代码通过读卡器读取和写入便携式存储设备中的数据来测试读卡器的性能。

    Start-up circuit for DC fan
    4.
    发明授权
    Start-up circuit for DC fan 失效
    直流风扇启动电路

    公开(公告)号:US07598690B2

    公开(公告)日:2009-10-06

    申请号:US11247343

    申请日:2005-10-11

    IPC分类号: H02P25/08

    CPC分类号: H02P7/288 H02P1/18

    摘要: A start-up circuit which decreases a start-up current and stabilizes running of a DC fan. The start-up circuit includes a digital-analog converter for convert a digital control signal from a control chip to an analog control signal, a voltage sampling device connected to an output terminal of the digital-analog converter, a comparator, a switching device for controlling start-up of the DC fan, and a feedback device adjusting current passing through the switching device. The comparator includes two input terminals and an output terminal. One input terminal is connected to an output terminal of the voltage sampling device. The switching device is connected to the output terminal of the comparator. An output signal of the switching device is inputted to the other input terminal of the comparator via the feedback device.

    摘要翻译: 一种降低启动电流并稳定直流风扇运行的启动电路。 启动电路包括用于将来自控制芯片的数字控制信号转换为模拟控制信号的数模转换器,连接到数模转换器的输出端的电压采样装置,比较器,用于 控制DC风扇的启动,以及调整通过开关装置的电流的反馈装置。 比较器包括两个输入端子和一个输出端子。 一个输入端子连接到电压采样装置的输出端子。 开关器件连接到比较器的输出端。 开关装置的输出信号通过反馈装置输入到比较器的另一个输入端。

    Method and system for acquiring definitions of debug code of a basic input/output system
    5.
    发明申请
    Method and system for acquiring definitions of debug code of a basic input/output system 审中-公开
    用于获取基本输入/输出系统的调试代码定义的方法和系统

    公开(公告)号:US20060277443A1

    公开(公告)日:2006-12-07

    申请号:US11411161

    申请日:2006-04-25

    IPC分类号: G06F11/00

    CPC分类号: G06F11/327

    摘要: A method for displaying debug codes of a BIOS includes the steps of: initializing a host electronic system and sending out a debug code corresponding to the initialization of the host electronic system to a debug card; displaying the debug code on an LED-display screen of the debug card; transmitting the debug code displayed on the LED-display screen to an application software; choosing the BIOS file corresponding to the debug code displayed, then acquiring and displaying the information via the application software. A system implementing this method includes a host electronic system with a BIOS for sending out a debug code during the initialization; a debug card connected electrically to the host electronic system for receiving and displaying the debug code sent out by the host electronic system; an application software for acquiring and displaying the information corresponding the debug code displayed on the debug card.

    摘要翻译: 用于显示BIOS的调试代码的方法包括以下步骤:初始化主机电子系统并将与主机电子系统的初始化相对应的调试代码发送到调试卡; 在调试卡的LED显示屏上显示调试代码; 将显示在LED显示屏上的调试代码发送到应用软件; 选择与显示的调试代码相对应的BIOS文件,然后通过应用软件获取和显示信息。 实现该方法的系统包括具有用于在初始化期间发送调试代码的BIOS的主机电子系统; 一个与主机电子系统电连接的调试卡,用于接收和显示主机电子系统发出的调试码; 用于获取和显示与调试卡上显示的调试代码相对应的信息的应用软件。

    Self-startup circuit for DC fan
    6.
    发明授权
    Self-startup circuit for DC fan 失效
    直流风扇自启动电路

    公开(公告)号:US07205733B2

    公开(公告)日:2007-04-17

    申请号:US11263614

    申请日:2005-10-31

    IPC分类号: H02P1/18

    CPC分类号: H02P1/18 H02P7/2885

    摘要: A self-startup circuit for a DC fan includes a voltage sampling device receiving a first control signal, a comparator, and a self-startup device. The comparator includes two input terminals and an output terminal. One input terminal is connected to an output terminal of the voltage sampling device. The self-startup device has a switching device and a diode connected in parallel. The self-startup device has an input terminal connected to the output terminal of the comparator, and outputs a second control signal for keeping the DC fan rotating even when the first control signal has a very low duty cycle.

    摘要翻译: 用于DC风扇的自启动电路包括接收第一控制信号的电压采样装置,比较器和自启动装置。 比较器包括两个输入端子和一个输出端子。 一个输入端子连接到电压采样装置的输出端子。 自启动装置具有并联连接的开关装置和二极管。 自启动装置具有连接到比较器的输出端子的输入端子,并且即使当第一控制信号具有非常低的占空比时,也输出用于保持直流风扇旋转的第二控制信号。

    Card for simulating peripheral component interconnect loads
    7.
    发明申请
    Card for simulating peripheral component interconnect loads 失效
    用于模拟外围组件互连负载的卡

    公开(公告)号:US20070032998A1

    公开(公告)日:2007-02-08

    申请号:US11499054

    申请日:2006-08-04

    IPC分类号: G06F17/50

    摘要: A card for simulating peripheral component interconnect (PCI) loads is disclosed. The card in accordance with a preferred embodiment of the invention includes an interface configured for electrically connecting to a motherboard; and a load circuit for simulating the different loads, wherein the load circuit comprises at least one power module receiving a voltage from the interface; and the power module dissipates various loads. Because that the card may dissipates various power according to testing requirement, the stability of the motherboard can be tested in various load power without connecting actual PCI loads to the motherboard.

    摘要翻译: 公开了一种用于模拟外围组件互连(PCI)负载的卡。 根据本发明的优选实施例的卡包括被配置为电连接到主板的接口; 以及用于模拟不同负载的负载电路,其中所述负载电路包括从所述接口接收电压的至少一个功率模块; 并且功率模块消耗各种负载。 因为卡可以根据测试要求耗散各种电源,所以可以在各种负载功率下测试主板的稳定性,而不会将实际的PCI负载连接到主板。

    Start-up circuit for DC fan
    8.
    发明申请
    Start-up circuit for DC fan 审中-公开
    直流风扇启动电路

    公开(公告)号:US20070024223A1

    公开(公告)日:2007-02-01

    申请号:US11440284

    申请日:2006-05-24

    IPC分类号: H02P1/00 H02P7/00

    CPC分类号: H02P1/18

    摘要: A start-up circuit which decreases a start-up current and stabilizes running of a DC fan. The start-up circuit includes a digital-analog converter for convert a digital control signal from a control chip to an analog control signal, a comparator, a switching device for controlling start-up of the DC fan, and a feedback device adjusting current passing through the switching device. The comparator includes two input terminals and an output terminal. One input terminal is connected to an output terminal of the digital-analog converter. The switching device is connected to the output terminal of the comparator. An output signal of the switching device is inputted to the other input terminal of the comparator via the feedback device.

    摘要翻译: 一种降低启动电流并稳定直流风扇运行的启动电路。 启动电路包括用于将来自控制芯片的数字控制信号转换为模拟控制信号的数模转换器,比较器,用于控制DC风扇启动的开关装置,以及调整电流通过的反馈装置 通过开关装置。 比较器包括两个输入端子和一个输出端子。 一个输入端子连接到数模转换器的输出端子。 开关器件连接到比较器的输出端。 开关装置的输出信号通过反馈装置输入到比较器的另一个输入端。

    Card for simulating peripheral component interconnect loads
    9.
    发明授权
    Card for simulating peripheral component interconnect loads 失效
    用于模拟外围组件互连负载的卡

    公开(公告)号:US07783464B2

    公开(公告)日:2010-08-24

    申请号:US11499054

    申请日:2006-08-04

    IPC分类号: G06F17/50

    摘要: A card for simulating peripheral component interconnect (PCI) loads includes an interface configured for electrically connecting to a motherboard and a load circuit configured for simulating the different loads. The load circuit comprises at least one power module receiving a voltage from the interface. The power module is capable of changing resistance of the power module thereby to thermally consume various powers to simulate the different loads. Because the card consumes various power according to testing requirement, the stability of the motherboard can be tested in various load power without connecting actual PCI loads to the motherboard.

    摘要翻译: 用于模拟外围组件互连(PCI)负载的卡包括被配置为电连接到母板的接口和被配置为模拟不同负载的负载电路。 负载电路包括从接口接收电压的至少一个功率模块。 功率模块能够改变功率模块的电阻,从而热消耗各种功率以模拟不同的负载。 因为卡根据测试要求消耗各种电源,所以主板的稳定性可以在各种负载功率下进行测试,而不会将实际的PCI负载连接到主板。

    Pulse width modulation generating circuit
    10.
    发明授权
    Pulse width modulation generating circuit 失效
    脉宽调制发生电路

    公开(公告)号:US07372312B2

    公开(公告)日:2008-05-13

    申请号:US11405076

    申请日:2006-04-17

    IPC分类号: H03K3/017

    CPC分类号: H03K7/08

    摘要: A pulse width modulation (PWM) generating circuit includes a first comparator, a first resistor, a second resistor, a third resistor, a fourth resistor, a capacitor, and a diode. The first resistor and the second resistor are connected in series between a voltage input and ground. The third resistor, the fourth resistor, and the capacitor are connected in series between the voltage input and ground. The first comparator has a non-inverting input connected to a node between the first resistor and the second resistor, an inverting input connected to a node between the fourth resistor and the capacitor, and an output connected to a node between the third resistor and the fourth resistor. The diode is connected between the non-inverting input and the output. The inverting input of the first comparator provides triangular wave signals to a second comparator by which PWM signals are generated.

    摘要翻译: 脉宽调制(PWM)发生电路包括第一比较器,第一电阻器,第二电阻器,第三电阻器,第四电阻器,电容器和二极管。 第一个电阻和第二个电阻串联在一个电压输入和地之间。 第三个电阻,第四个电阻和电容串联在电压输入和地之间。 第一比较器具有连接到第一电阻器和第二电阻器之间的节点的非反相输入端,连接到第四电阻器和电容器之间的节点的反相输入端,以及连接到第三电阻器和第二电阻器之间的节点的输出端 第四电阻。 二极管连接在非反相输入和输出之间。 第一比较器的反相输入端向第二比较器提供三角波信号,由此产生PWM信号。