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    • 3. 发明授权
    • Apparatus and method for fan auto-detection
    • 风扇自动检测装置及方法
    • US07791301B2
    • 2010-09-07
    • US12003825
    • 2008-01-02
    • Shih-Feng HuangChia-Ching LuMing-Che Hung
    • Shih-Feng HuangChia-Ching LuMing-Che Hung
    • G05B5/00
    • H05K7/20209Y10S388/934
    • An apparatus for detecting a type of fan and controlling the fan, the fan providing during operation a tachometer signal indicating a speed of the fan, the apparatus includes: a direct current (DC) generator for coupling to the fan and configured to provide a first voltage to the fan; a resistor for providing, while the DC generator provides the first voltage, a sensed voltage relating to the type of the fan, wherein the resistor is connected to a reference voltage and for coupling to a pulse-width modulation (PWM) control terminal of the fan; an input judgment component coupled to the resistor to receive the sensed voltage, the input judgment component being configured to determine whether the fan is a 4-wire PWM fan with an internal pull-up resistor based on the sensed voltage and to provide a judgment signal indicating the determination; a PWM generator coupled to the input judgment component to receive the judgment signal, the PWM generator being configured to provide to the fan a PWM control signal to control the fan if the judgment signal indicates that the fan is the 4-wire PWM fan with an internal pull-up resistor; and a tachometer coupled to the DC generator and the PWM generator, the tachometer being configured to receive the tachometer signal to detect a change in the speed of the fan.
    • 一种用于检测风扇类型并控制风扇的装置,风扇在运行期间提供表示风扇速度的转速表信号,该装置包括:直流(DC)发生器,用于耦合到风扇并且被配置为提供第一 风扇电压; 电阻,用于在DC发生器提供第一电压时提供与风扇类型相关的感测电压,其中电阻器连接到参考电压并用于耦合到脉冲宽度调制(PWM)控制端子 风扇; 输入判断部件,耦合到所述电阻器以接收感测的电压,所述输入判断部件被配置为基于所感测的电压来确定所述风扇是具有内部上拉电阻器的4线PWM风扇,并且提供判断信号 表明确定; PWM发生器,其耦合到所述输入判断部件以接收所述判断信号,所述PWM发生器被配置为向所述风扇提供PWM控制信号以控制所述风扇,如果所述判断信号指示所述风扇是具有 内部上拉电阻; 以及耦合到所述DC发生器和所述PWM发生器的转速计,所述转速计被配置为接收所述转速计信号以检测所述风扇的速度的变化。
    • 4. 发明申请
    • Apparatus and method for fan auto-detection
    • 风扇自动检测装置及方法
    • US20090169188A1
    • 2009-07-02
    • US12003825
    • 2008-01-02
    • Shih-Feng HuangChia-Ching LuMing-Che Hung
    • Shih-Feng HuangChia-Ching LuMing-Che Hung
    • H02P7/29
    • H05K7/20209Y10S388/934
    • An apparatus for detecting a type of fan and controlling the fan, the fan providing during operation a tachometer signal indicating a speed of the fan, the apparatus includes: a direct current (DC) generator for coupling to the fan and configured to provide a first voltage to the fan; a resistor for providing, while the DC generator provides the first voltage, a sensed voltage relating to the type of the fan, wherein the resistor is connected to a reference voltage and for coupling to a pulse-width modulation (PWM) control terminal of the fan; an input judgment component coupled to the resistor to receive the sensed voltage, the input judgment component being configured to determine whether the fan is a 4-wire PWM fan with an internal pull-up resistor based on the sensed voltage and to provide a judgment signal indicating the determination; a PWM generator coupled to the input judgment component to receive the judgment signal, the PWM generator being configured to provide to the fan a PWM control signal to control the fan if the judgment signal indicates that the fan is the 4-wire PWM fan with an internal pull-up resistor; and a tachometer coupled to the DC generator and the PWM generator, the tachometer being configured to receive the tachometer signal to detect a change in the speed of the fan.
    • 一种用于检测风扇类型并控制风扇的装置,风扇在运行期间提供表示风扇速度的转速表信号,该装置包括:直流(DC)发生器,用于耦合到风扇并且被配置为提供第一 风扇电压; 电阻,用于在DC发生器提供第一电压时提供与风扇类型相关的感测电压,其中电阻器连接到参考电压并用于耦合到脉冲宽度调制(PWM)控制端子 风扇; 输入判断部件,耦合到所述电阻器以接收感测的电压,所述输入判断部件被配置为基于所感测的电压来确定所述风扇是具有内部上拉电阻器的4线PWM风扇,并且提供判断信号 表明确定; PWM发生器,其耦合到所述输入判断部件以接收所述判断信号,所述PWM发生器被配置为向所述风扇提供PWM控制信号以控制所述风扇,如果所述判断信号指示所述风扇是具有 内部上拉电阻; 以及耦合到所述DC发生器和所述PWM发生器的转速计,所述转速计被配置为接收所述转速计信号以检测所述风扇的速度的变化。
    • 6. 发明授权
    • System of testing multiple RF modules and method thereof
    • 多个RF模块的测试系统及其方法
    • US09031808B2
    • 2015-05-12
    • US13423215
    • 2012-03-17
    • Shih-Feng HuangYueh-Cheng LeeChung-Er Huang
    • Shih-Feng HuangYueh-Cheng LeeChung-Er Huang
    • G01R31/28
    • G01R31/2822H04B17/20H04B17/29
    • This invention provides a system of testing multiple RF modules. The system includes a RF signal analyzer, a RF switch, a control module, and a plurality of testing modules. The RF switch is electrically coupled to the RF signal analyzer, and operational bands of the RF switch includes operational bands of the RF modules for transmitting and receiving RF signals. The controller module controls the RF signal analyzer and the RF switch. The testing modules are electrically coupled to the controller module and controlled by the controller module. Each testing module has a memorizing unit for storing testing results for the RF modules transmitting and receiving the RF signals. The RF switch and the testing modules are used to electrically couple each RF module.
    • 本发明提供一种测试多个RF模块的系统。 该系统包括RF信号分析器,RF开关,控制模块和多个测试模块。 RF开关电耦合到RF信号分析器,并且RF开关的操作频带包括用于发射和接收RF信号的RF模块的操作频带。 控制器模块控制RF信号分析仪和RF开关。 测试模块电耦合到控制器模块并由控制器模块控制。 每个测试模块都有一个存储单元,用于存储RF模块发送和接收RF信号的测试结果。 RF开关和测试模块用于电耦合每个RF模块。
    • 7. 发明授权
    • Pixel driving circuit with threshold voltage compensation
    • 具有阈值电压补偿的像素驱动电路
    • US07616177B2
    • 2009-11-10
    • US11173820
    • 2005-07-01
    • Du-Zen PengShih-Feng Huang
    • Du-Zen PengShih-Feng Huang
    • G09G3/30
    • G09G3/3233G09G3/3266G09G2300/0819G09G2300/0842G09G2300/0861G09G2320/043G09G2330/02G09G2330/028
    • A pixel driving circuit with threshold voltage and EL power compensation. The pixel circuit includes a storage capacitor, a transferring circuit, a driving element, and a switching circuit. The transferring circuit transfers a data signal or a variable reference signal to a first node of the storage capacitor. The driving element has a first terminal coupled to a first fixed potential and a second terminal coupled to a second node of the storage capacitor. The switching circuit is coupled to a third terminal of the driving element and the second node of the storage capacitor. The switching circuit can be controlled to make the driving element diode-connected in one time period and allowing a driving current to be output to a display element in another time period.
    • 具有阈值电压和EL功率补偿的像素驱动电路。 像素电路包括存储电容器,转移电路,驱动元件和开关电路。 传送电路将数据信号或可变参考信号传送到存储电容器的第一节点。 驱动元件具有耦合到第一固定电位的第一端子和耦合到存储电容器的第二节点的第二端子。 开关电路耦合到驱动元件的第三端子和存储电容器的第二节点。 可以控制开关电路以使驱动元件在一个时间段内二极管连接,并且允许在另一时间段内将驱动电流输出到显示元件。