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    • 1. 发明申请
    • VIDEO SIGNAL CIRCUIT OF NOTEBOOK COMPUTER
    • 笔记本电脑的视频信号电路
    • US20070153011A1
    • 2007-07-05
    • US11309795
    • 2006-09-28
    • Xian-Ming WangGuang-Dong YuanDa-You ChenChung-Chi HuangHsiu-Chang LaiQin Wu
    • Xian-Ming WangGuang-Dong YuanDa-You ChenChung-Chi HuangHsiu-Chang LaiQin Wu
    • G06F13/14
    • G06F3/1431
    • A video signal circuit of a notebook computer includes a north bridge chipset, a control module, a VGA port, an A/D converter, a selection module, and a control unit. The north bridge chipset is coupled to the control module and the selection module. The VGA port is coupled between the control module and a display device and a processing device. The A/D converter is coupled between the control module and the selection module. The selection module is coupled to an LCD of the notebook computer. The control unit is coupled to the selection module and the control module. The video signal circuit can be controlled to send a first analog and digital video signals generated by the north bridge chipset to the displaying device and the LCD respectively, or receive a second analog video signal from the processing device and display it on the LCD.
    • 笔记本电脑的视频信号电路包括北桥芯片组,控制模块,VGA端口,A / D转换器,选择模块和控制单元。 北桥芯片组耦合到控制模块和选择模块。 VGA端口耦合在控制模块与显示设备和处理设备之间。 A / D转换器耦合在控制模块和选择模块之间。 选择模块耦合到笔记本计算机的LCD。 控制单元耦合到选择模块和控制模块。 视频信号电路可以被控制以将由北桥芯片组产生的第一模拟和数字视频信号分别发送到显示装置和LCD,或者从处理装置接收第二模拟视频信号并将其显示在LCD上。
    • 4. 发明授权
    • Monitoring device for connectors
    • 连接器监控装置
    • US08081730B2
    • 2011-12-20
    • US11828358
    • 2007-07-26
    • Guang-Dong YuanXian-Ming WangChung-Chi HuangRong Hu
    • Guang-Dong YuanXian-Ming WangChung-Chi HuangRong Hu
    • G07C3/02
    • G07C3/04
    • An exemplary monitoring device includes: a time chip connected to a connector to generate a time signal and a count signal when the connector is working, the time signal indicating how long the connector is in use, the count signal indicating that the total number of times the connector has been used should be incremented by one; a processor connected to the time chip to receive the time signal and count signal, and generate a data signal including a total service time and a total number of times the connector has been used; a clock generator connected to the processor to provide a clock signal; and an output port connected to the processor to output the data signal. The monitoring device keeps a watch on a connector for showing the service information about the connector to make an operator know if the connector needs to be replaced.
    • 示例性监视装置包括:时间芯片,连接到连接器以在连接器工作时产生时间信号和计数信号,时间信号表示连接器正在使用多长时间,指示总次数的计数信号 连接器已被使用,应该增加一个; 连接到所述时间芯片的处理器,接收所述时间信号和计数信号,并产生包括所述连接器已被使用的总服务时间和总次数的数据信号; 连接到所述处理器以提供时钟信号的时钟发生器; 以及连接到处理器以输出数据信号的输出端口。 监控设备在连接器上保持观察显示有关连接器的服务信息,以使操作员知道连接器是否需要更换。
    • 5. 发明授权
    • Surge current alarm circuit
    • 浪涌电流报警电路
    • US07750816B2
    • 2010-07-06
    • US11941977
    • 2007-11-19
    • Xian-Ming WangGuang-Dong YuanChung-Chi Huang
    • Xian-Ming WangGuang-Dong YuanChung-Chi Huang
    • G08B21/00
    • G01R19/16552
    • An exemplary surge current alarm circuit includes a detecting circuit to detect a surge current and convert the surge current into a digital signal with a pulse width corresponding to a duration of an over value part of the surge current when the surge current is over a limitative current value; a processing circuit connected to the detecting circuit to receive the digital signal and generate an alarm signal when the pulse width of the digital signal is over a limitative time; and an alarm circuit connected to the processing circuit to give an alarm upon receiving the alarm signal from the processing circuit.
    • 一个示例性的浪涌电流报警电路包括一个检测电路,用于检测浪涌电流,并将浪涌电流转换为数字信号,其脉冲宽度对应于当浪涌电流超过限制电流时浪涌电流的过零值部分的持续时间 值; 连接到检测电路的处理电路,用于接收数字信号,并且当数字信号的脉冲宽度超过限制时间时产生报警信号; 以及连接到处理电路的报警电路,在从处理电路接收到报警信号时发出报警。
    • 6. 发明申请
    • Computer system with restart control circuit
    • 具有重启控制电路的计算机系统
    • US20060117168A1
    • 2006-06-01
    • US11288688
    • 2005-11-28
    • Xian-Ming WangGuang-Dong YuanChien-Hung Lo
    • Xian-Ming WangGuang-Dong YuanChien-Hung Lo
    • G06F15/177
    • G06F1/26
    • A computer system includes a power supply, a mainboard, and a restart control circuit. The power supply includes a system power source output and a stand-by power source output. The restart control circuit has a first input connected to the system power source output, a second input connected to the stand-by power source output, and an output connected to the mainboard. During an interval of time after the computer system is turned on, the system power source output provides working voltage for the restart control circuit, and the output provides trigger signals at a high level for the mainboard. During an interval of time after the computer system is turned off, the stand-by power source output provides stand-by voltage to the restart control circuit, and the output provides trigger signals at a low level for the mainboard to trigger the computer system to restart.
    • 计算机系统包括电源,主板和重启控制电路。 电源包括系统电源输出和备用电源输出。 再启动控制电路具有连接到系统电源输出的第一输入端,连接到备用电源输出的第二输入端和连接到主板的输出端。 在计算机系统打开后的一段时间内,系统电源输出为重启控制电路提供工作电压,输出为主板提供高电平的触发信号。 在计算机系统关闭之后的时间间隔期间,待机电源输出为重启控制电路提供备用电压,并且输出提供低电平的触发信号以使主板触发计算机系统 重新开始。
    • 10. 发明授权
    • Motherboard fixing device and computer having same
    • 主板固定装置和具有相同功能的计算机
    • US08411453B2
    • 2013-04-02
    • US13236662
    • 2011-09-20
    • Zhong-Ping YangGuang-Dong YuanChung-Chi HuangHai-Qing Zhou
    • Zhong-Ping YangGuang-Dong YuanChung-Chi HuangHai-Qing Zhou
    • H05K5/00
    • G06F1/184
    • An exemplary motherboard fixing device is for fixing a motherboard onto a case plate inside a computer case. The motherboard fixing device is fixable on the case plate, and includes a first fixing strip and a second fixing strip. The first fixing strip includes a first, second, and third flat plates. The second flat plate is between the first and third flat plates. The first and second flat plates cooperatively define a slide groove for receiving an edge of the motherboard. The second fixing strip includes a bottom plate and a lateral plate. The third flat plate and the bottom plate include first latch hooks. The first latch hooks is engagable in corresponding through holes of the case plate, such that the first and second fixing strips are fixed on the case plate. The lateral plate includes second latch hooks for being latchable on an opposite edge of the motherboard.
    • 示例性的母板固定装置用于将母板固定在计算机外壳内的外壳板上。 主板固定装置可固定在外壳板上,并包括第一固定条和第二固定条。 第一固定条包括第一,第二和第三平板。 第二平板位于第一和第三平板之间。 第一和第二平板协作地限定用于容纳母板边缘的滑动槽。 第二固定条包括底板和侧板。 第三平板和底板包括第一闩锁钩。 第一闭锁钩可接合在壳板的相应通孔中,使得第一和第二固定条固定在壳板上。 侧板包括用于可闩锁在母板的相对边缘上的第二闩锁钩。