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    • 51. 发明申请
    • Start-up circuit for DC fan
    • 直流风扇启动电路
    • US20070024223A1
    • 2007-02-01
    • US11440284
    • 2006-05-24
    • Yong-Xing YouFeng-Long HeHai-Qing Zhou
    • Yong-Xing YouFeng-Long HeHai-Qing Zhou
    • H02P1/00H02P7/00
    • H02P1/18
    • 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.
    • 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。
    • 52. 发明授权
    • Fixing device for use with expansion cards in a computer
    • 用于计算机中的扩展卡的固定装置
    • US08699217B2
    • 2014-04-15
    • US13279345
    • 2011-10-24
    • Hai-Qing Zhou
    • Hai-Qing Zhou
    • G06F1/16H05K5/00H05K7/00
    • G06F1/186
    • A fixing device for use with at least one expansion card in a computer chassis includes a positioning member and a fixing member. One side of the positioning member defines at least one first slot. The fixing member includes a fixing portion and a rotatable portion rotatablely connected to the fixing portion. The fixing portion defines at least one second slot corresponding to the at least one first slot. When the rotatable portion is able to rotate to a position where the at least one first slot face to the at least one second slot, allowing opposite sides of the free end of the at least one expansion card.
    • 与计算机机箱中的至少一个扩展卡一起使用的固定装置包括定位构件和固定构件。 定位构件的一侧限定至少一个第一槽。 固定构件包括固定部分和可旋转地连接到固定部分的可旋转部分。 固定部分限定对应于至少一个第一狭槽的至少一个第二狭槽。 当可旋转部分能够旋转到至少一个第一狭槽面向至少一个第二狭槽的位置时,允许至少一个扩展卡的自由端的相对侧。
    • 54. 发明授权
    • Desktop computer employing network indicator lights
    • 台式电脑采用网络指示灯
    • US08638234B2
    • 2014-01-28
    • US13169036
    • 2011-06-27
    • Xiang CaoHai-Qing Zhou
    • Xiang CaoHai-Qing Zhou
    • G08B5/22G09F9/33
    • G06F11/325
    • A desktop computer includes a host portion, a network interface card and a first interface. The network interface card includes a first pin, a second pin, and a third pin. The first interface includes a fourth pin connected to both the second and third pins of the network interface card, and a fifth pin connected to the first pin. The screen includes a second interface connected to the first interface, a first LED, and a second LED. The second interface includes a sixth pin connected to the fourth pin, and a seventh pin connected to the fifth pin. The seventh pin is connected to a power supply through the first LED. The sixth pin is connected to the power supply through the second LED. When there is communication through a network connection, the first LED and the fourth LED to flash synchronously.
    • 台式计算机包括主机部分,网络接口卡和第一接口。 网络接口卡包括第一引脚,第二引脚和第三引脚。 第一接口包括连接到网络接口卡的第二和第三引脚的第四引脚,以及连接到第一引脚的第五引脚。 屏幕包括连接到第一接口的第二接口,第一LED和第二LED。 第二接口包括连接到第四引脚的第六引脚和连接到第五引脚的第七引脚。 第七个引脚通过第一个LED连接到电源。 第六个引脚通过第二个LED连接到电源。 当通过网络连接进行通信时,第一个LED和第四个LED闪烁同步。
    • 58. 发明授权
    • Power supply system with energy-saving function
    • 电源系统具有节能功能
    • US08510579B2
    • 2013-08-13
    • US13090162
    • 2011-04-19
    • Hai-Qing Zhou
    • Hai-Qing Zhou
    • G06F1/26
    • G06F1/266
    • A power supply system includes a power supply, a switch control circuit, a voltage rectifying circuit, and a trigger switch connected to the switch control circuit. The switch control circuit is connected between an alternating current (AC) power source and the power supply. The voltage rectifying circuit is connected between the AC power source and the switch control circuit to rectify an AC voltage into a direct current (DC) voltage to power the switch control circuit. When the computer system is powered off, the power supply fails to output a system voltage, and the trigger switch fails to be triggered, the switch control circuit disconnects the power supply from the AC power source. When the computer system is powered off, the power supply fails to output a system voltage, and the trigger switch is triggered, the switch control circuit connects the power supply to the AC power source.
    • 电源系统包括电源,开关控制电路,电压整流电路和连接到开关控制电路的触发开关。 开关控制电路连接在交流(AC)电源和电源之间。 电压整流电路连接在交流电源和开关控制电路之间,将交流电压整流为直流(DC)电压,为开关控制电路供电。 当计算机系统断电时,电源无法输出系统电压,触发开关无法触发,开关控制电路断开交流电源的电源。 当计算机系统断电时,电源无法输出系统电压,触发开关触发,开关控制电路将电源连接到交流电源。
    • 59. 发明授权
    • Electronic device having assisting apparatus for unplugging RJ-45 connector
    • 具有用于拔出RJ-45连接器的辅助装置的电子设备
    • US08353715B1
    • 2013-01-15
    • US13284962
    • 2011-10-30
    • Hai-Qing Zhou
    • Hai-Qing Zhou
    • H01R13/627
    • H01R13/6335H01R24/64
    • An electronic device includes a chassis and an assisting apparatus for unplugging a Registered Jack-45 (RJ-45) connector. The chassis includes a sidewall defining an opening, and a connector installed in the chassis and exposed through the opening. The assisting apparatus includes a press member fixed to the chassis, and an operation member slidably connected to the press member. The press member includes a resilient arm, a press portion protruding up from the resilient arm, and a block protruding down from the resilient arm. The operation member includes a push wall facing the block. When the operation member is slid, the push wall abuts against the block and pushes the resilient arm upwards, the press portion of the resilient arm is moved upwards, for disengaging the resilient plate of the RJ-45 connector from the connector of the chassis.
    • 一种电子设备包括一个底盘和一个用于拔出已注册的Jack-45(RJ-45)连接器的辅助装置。 底盘包括限定开口的侧壁和安装在底盘中并通过开口露出的连接器。 辅助装置包括固定到底盘的按压构件和可滑动地连接到按压构件的操作构件。 按压构件包括弹性臂,从弹性臂向上突出的按压部以及从弹性臂向下突出的块。 操作构件包括面向该块的推壁。 当操作构件滑动时,推壁抵靠块并将弹性臂向上推动,弹性臂的按压部分向上移动,以将RJ-45连接器的弹性板与底盘的连接器分离。