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    • 4. 发明授权
    • Signal transmitting assembly for cutting off driving signal for driving designated light source and electronic apparatus having the same
    • 用于切断用于驱动指定光源的驱动信号的信号传输组件和具有该信号的电子设备
    • US09083326B2
    • 2015-07-14
    • US13243279
    • 2011-09-23
    • Chun-Hung ChenTzu-Chi Liu
    • Chun-Hung ChenTzu-Chi Liu
    • G09G5/00H03K5/151
    • H03K5/151
    • A signal transmitting circuit is provided for cutting off or outputting at least one driving signal for driving a designated light source. The signal transmitting circuit includes an input differential signaling driver, an output differential amplifier, and a fixed-voltage-level-difference supply device. The input differential signaling driver is for receiving a display signal, and outputting an inverting signal and a non-inverting signal according to the display signal. The output differential amplifier is for receiving the inverting signal and non-inverting signal and outputting or cutting off the driving signal according to the voltage-level difference between the inverting signal and the non-inverting signal. The fixed-voltage-level-difference supply device is for supplying a fixed-voltage-level difference to replace the inverting signal and the non-inverting signal received by the output differential amplifier; therefore the output of the output differential amplifier remains low voltage-level to cut off the output of light with a designated color.
    • 提供信号发送电路,用于切断或输出用于驱动指定光源的至少一个驱动信号。 信号发送电路包括输入差分信号驱动器,输出差分放大器和固定电压电平差供给装置。 输入差分信号驱动器用于接收显示信号,并根据显示信号输出反相信号和非反相信号。 输出差分放大器用于接收反相信号和非反相信号,并根据反相信号和非反相信号之间的电压电平差输出或切断驱动信号。 固定电压电平差供给装置用于提供固定电压电平差,以代替由输出差分放大器接收的反相信号和非反相信号; 因此输出差分放大器的输出保持低电压电平,以切断指定颜色的光输出。
    • 5. 发明授权
    • Capacitance measurement device for a touch control device
    • 一种用于触摸控制装置的电容测量装置
    • US08878555B2
    • 2014-11-04
    • US13046780
    • 2011-03-14
    • He-Wei HuangChun-Hung ChenChih-Yuan Chang
    • He-Wei HuangChun-Hung ChenChih-Yuan Chang
    • G01R27/26H03K17/96G06F3/044
    • G01R27/2605G06F3/044H03K17/962H03K2217/960725
    • A capacitance measurement device includes a charging control unit for charging a measured capacitor, a discharging control unit for discharging the measured capacitor, a first switch coupled to the measured capacitor and the charging control unit for controlling a connection between the measured capacitor and the charging control unit according to a first switching signal, a second switch coupled to the measured capacitor and the discharging control unit for controlling a connection between the measured capacitor and the discharging control unit according to a second switching signal, a first A/D converter coupled to the measured capacitor for converting a voltage signal on the measured capacitor into a first signal, and a duty cycle detecting circuit coupled to the measured capacitor for converting the voltage signal on the measured capacitor into a count value that represents the capacitance of the measured capacitor and outputting the count value to a processing unit.
    • 电容测量装置包括用于对测量的电容器充电的充电控制单元,用于放电测量的电容器的放电控制单元,耦合到测量电容器的第一开关和用于控制测量的电容器与充电控制之间的连接的充电控制单元 根据第一切换信号的单元,耦合到测量的电容器的第二开关和放电控制单元,用于根据第二开关信号控制测量的电容器和放电控制单元之间的连接;第一A / D转换器, 测量电容器,用于将测量的电容器上的电压信号转换为第一信号;以及占空比检测电路,耦合到所测量的电容器,用于将测量的电容器上的电压信号转换成表示测量的电容器的电容的计数值,并输出 计数值到处理单元。
    • 8. 发明授权
    • Clock signal generating circuit
    • 时钟信号发生电路
    • US07514977B2
    • 2009-04-07
    • US11309636
    • 2006-09-01
    • Chun-Hung Chen
    • Chun-Hung Chen
    • G06F1/04H03K3/00
    • H03B19/16G06F1/04
    • A clock signal generating circuit is provided. The clock signal generating circuit includes a clock signal generator for generating a first clock signal having a predetermined frequency; a frequency dividing circuit receiving the first clock signal, for providing a second clock signal with a frequency that is lower than the predetermined frequency of the first clock signal; and a frequency multiplier circuit receiving the second clock signal, for providing a system clock signal resuming the predetermined frequency to a load.
    • 提供时钟信号发生电路。 时钟信号发生电路包括用于产生具有预定频率的第一时钟信号的时钟信号发生器; 接收所述第一时钟信号的分频电路,用于提供具有低于所述第一时钟信号的预定频率的频率的第二时钟信号; 以及接收所述第二时钟信号的倍频电路,用于提供恢复到所述负载的所述预定频率的系统时钟信号。