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    • 1. 发明申请
    • CONTROL CIRCUIT FOR LIGHT-EMITTING DIODES
    • 用于发光二极管的控制电路
    • US20140111100A1
    • 2014-04-24
    • US13682761
    • 2012-11-21
    • GUANG-DONG YUANJIN-BO WANGCHUNG-CHI HUANG
    • GUANG-DONG YUANJIN-BO WANGCHUNG-CHI HUANG
    • H05B37/02
    • H05B37/02H05B33/0809
    • A circuit includes a number of LEDs connected in series, and first and second electronic switches. An anode of a first one of the LEDs is connected to a first power supply. A control terminal of the first electronic switch receives a control signal. A first terminal of the first electronic switch is connected to a second power supply. A second terminal of the first electronic switch is grounded through a first resistor. A control terminal of the second electronic switch is connected to the second terminal of the first electronic switch. A first terminal of the second electronic switch is connected to a cathode of a last one of the LEDs. A second terminal of the second electronic switch is grounded through a second resistor.
    • 电路包括串联连接的多个LED以及第一和第二电子开关。 第一个LED的阳极连接到第一电源。 第一电子开关的控制端子接收控制信号。 第一电子开关的第一端子连接到第二电源。 第一电子开关的第二端子通过第一电阻器接地。 第二电子开关的控制端子连接到第一电子开关的第二端子。 第二电子开关的第一端子连接到最后一个LED的阴极。 第二电子开关的第二端子通过第二电阻器接地。
    • 5. 发明申请
    • MOTHERBOARD TESTER
    • 母板测试仪
    • US20090158093A1
    • 2009-06-18
    • US11963877
    • 2007-12-24
    • RAN CHENDA-YOU CHENGUANG-DONG YUANCHUNG-CHI HUANG
    • RAN CHENDA-YOU CHENGUANG-DONG YUANCHUNG-CHI HUANG
    • G06F11/273
    • G06F11/27
    • An exemplary motherboard tester includes a processor comprising a pair of data terminals for transmitting data; and an interface comprising: a pair of data terminals coupled to the data terminals of the processor respectively; at least one output terminal arranged for connecting to a corresponding pin of a chipset mounted on a motherboard to send a test signal generated by the processor to the pin; and at least one input terminal arranged for connecting to a test point on the motherboard which is electrically connected to the pin, to receive a feedback signal from the test point, wherein, the processor compares the feedback signal with the test signal to determine whether the pin of the chipset is normal, open, or shorted.
    • 示例性主板测试器包括:处理器,包括用于发送数据的一对数据终端; 以及接口,包括:分别耦合到所述处理器的数据终端的一对数据终端; 至少一个输出端子布置成连接到安装在母板上的芯片组的相应引脚,以将由处理器产生的测试信号发送到引脚; 以及至少一个输入端子,其布置成用于连接到与所述引脚电连接的所述母板上的测试点,以从所述测试点接收反馈信号,其中,所述处理器将所述反馈信号与所述测试信号进行比较,以确定是否 芯片组的引脚是正常的,开路的或短路的。
    • 6. 发明申请
    • DRYING APPARATUS
    • 干燥装置
    • US20080276487A1
    • 2008-11-13
    • US11959472
    • 2007-12-19
    • GUANG-DONG YUANCHUNG-CHI HUANGXIAN-MING WANG
    • GUANG-DONG YUANCHUNG-CHI HUANGXIAN-MING WANG
    • F26B21/08
    • F26B21/08
    • A drying apparatus includes a humidity sensor module, a micro control unit (MCU) module, an indicator circuit, and a fan module. The humidity sensor module measures relative humidity of air in a computer, and converts that measurement to an electronic signal. The MCU module receives the electronic signal from the humidity sensor module, and respectively outputs an indication signal and a control signal when the measured humidity is greater than a predetermined value stored in the MCU module. The indicator circuit indicates the humidity in the computer is too high when it receives the indication signal from the MCU module. The fan is activated when it receives the control signal from the MCU module.
    • 干燥装置包括湿度传感器模块,微控制单元(MCU)模块,指示器电路和风扇模块。 湿度传感器模块测量计算机中空气的相对湿度,并将该测量值转换为电子信号。 MCU模块从湿度传感器模块接收电子信号,当测量的湿度大于存储在MCU模块中的预定值时,分别输出指示信号和控制信号。 指示电路表示从MCU模块接收到指示信号时,计算机的湿度过高。 当从MCU模块接收到控制信号时,风扇被激活。
    • 7. 发明申请
    • DEVICE FOR EXITING SCREEN SAVER MODE
    • 用于退出屏幕保护模式的设备
    • US20130127803A1
    • 2013-05-23
    • US13590436
    • 2012-08-21
    • GUANG-DONG YUANCHUNG-CHI HUANGHAI-QING ZHOU
    • GUANG-DONG YUANCHUNG-CHI HUANGHAI-QING ZHOU
    • G09G5/00
    • G06F1/3231G09G5/00G09G2330/022Y02D10/173
    • A device includes an infrared sensor, a signal processing unit, a first signal conversion unit, a second signal conversion unit, and an interface. The infrared sensor senses infrared rays and outputs a signal to the signal processing unit. The signal processing unit processes the signal, and outputs a processed signal to the first signal conversion unit. The first signal conversion unit transforms the processed signal into a keyboard signal, and outputs the keyboard signal to the second signal conversion unit. The second signal conversion unit transforms the keyboard signal into an interface signal according to type of the interface, and outputs the interface signal to the interface. The interface outputs the interface signal to a computer connected to the interface, to cause the computer to exit a screen saver mode.
    • 一种装置包括红外线传感器,信号处理单元,第一信号转换单元,第二信号转换单元和接口。 红外线传感器感测红外线,并向信号处理单元输出信号。 信号处理单元对信号进行处理,并将处理后的信号输出到第一信号变换单元。 第一信号转换单元将处理的信号转换为键盘信号,并将键盘信号输出到第二信号转换单元。 第二信号转换单元根据接口的类型将键盘信号变换为接口信号,并将接口信号输出到接口。 接口将接口信号输出到连接到接口的计算机,使计算机退出屏幕保护模式。
    • 8. 发明申请
    • ENCLOSURE WITH SLIDE ASSEMBLIES
    • 带幻灯片组合的外壳
    • US20120133261A1
    • 2012-05-31
    • US12975289
    • 2010-12-21
    • GUANG-DONG YUANHAI-QING ZHOUCHUNG-CHI HUANG
    • GUANG-DONG YUANHAI-QING ZHOUCHUNG-CHI HUANG
    • H05K5/02A47B88/00
    • G06F1/181H05K5/0234
    • An enclosure includes a bottom plate, and a plurality of slide assemblies fixed to the bottom plate. Each of the plurality of slide assemblies includes a fixed member fixed to the bottom plate, and a rotary member rotatably received in the fixed member. The rotary member includes a first fixed and a second fixed portions, and a wheel. The first fixed portion is fixed to the second fixed portion, the second fixed portion is connected to the fixed member, and the wheel is fixed to the first fixed portion. The rotary member is operable to be in a first position to expose the wheels for moving the enclosure, and in a second position to be received in the fixed member.
    • 壳体包括底板和固定到底板的多个滑动组件。 多个滑动组件中的每一个包括固定到底板的固定构件和可旋转地容纳在固定构件中的旋转构件。 旋转构件包括第一固定部和第二固定部以及轮。 第一固定部分固定到第二固定部分,第二固定部分连接到固定部件,并且轮固定到第一固定部分。 旋转构件可操作以处于第一位置以暴露车轮以移动外壳,并且处于待接收在固定构件中的第二位置。
    • 9. 发明申请
    • CIRCUIT FOR INDICATING OPERATING STATUS OF COMPUTER HARDWARE DEVICES
    • 用于表示计算机硬件设备操作状态的电路
    • US20100141462A1
    • 2010-06-10
    • 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。
    • 10. 发明申请
    • MONITORING DEVICE FOR CONNECTORS
    • 监控连接器的设备
    • US20080304613A1
    • 2008-12-11
    • US11828358
    • 2007-07-26
    • GUANG-DONG YUANXIAN-MING WANGCHUNG-CHI HUANGRONG HU
    • GUANG-DONG YUANXIAN-MING WANGCHUNG-CHI HUANGRONG HU
    • G07C3/04
    • 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:连接器连接到时间信号和连接器正在工作时的计数信号的时间芯片,表示连接器使用时间的时间信号,表示总共次数的计数信号 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。