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    • 3. 发明授权
    • Touch screen apparatus and driving method thereof
    • 触摸屏设备及其驱动方法
    • US08730208B2
    • 2014-05-20
    • US13572829
    • 2012-08-13
    • Myungho ShinJonggu HeoKyounghwan KimYounggyu Kim
    • Myungho ShinJonggu HeoKyounghwan KimYounggyu Kim
    • G06F3/045G09G5/00
    • G06F3/044G06F3/0416G06F2203/04106
    • A touch screen apparatus and a driving method thereof are provided. The touch screen drive circuit performs a setup operation for selecting Tx lines to be supplied with the drive signal and Rx lines to receive the voltages of the touch sensors, a sensing operation for supplying a drive signal to the Tx lines and receiving and sampling touch sensor voltages through the Rx lines, an ADC operation for converting the sampled voltages into digital data, a coordinate detection operation for analyzing the digital data by a preset touch detection algorithm and estimating the coordinates of a touch input position, and a data transmission operation for transmitting touch coordinate data comprising the coordinates to an external system. At least two operations among the setup operation, the sensing operation, and the ADC operation are performed in parallel.
    • 提供一种触摸屏装置及其驱动方法。 触摸屏驱动电路执行用于选择要提供的驱动信号的Tx线和接收线路的触摸传感器的电压的设置操作,用于向Tx线提供驱动信号的感测操作以及接收和采样触摸传感器 通过Rx线的电压,用于将采样的电压转换成数字数据的ADC操作,用于通过预设的触摸检测算法分析数字数据并估计触摸输入位置的坐标的坐标检测操作,以及用于发送的数据传输操作 将包括坐标的坐标数据触摸到外部系统。 并行执行设置操作,感测操作和ADC操作中的至少两个操作。