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    • 4. 发明授权
    • Method and apparatus for sensing and scanning a capacitive touch panel
    • 用于感测和扫描电容式触摸屏的方法和装置
    • US08624871B2
    • 2014-01-07
    • US13184321
    • 2011-07-15
    • Tatsuyuki NiheiOsamu UchinoTatsuro Sato
    • Tatsuyuki NiheiOsamu UchinoTatsuro Sato
    • G06F3/045
    • G06F3/044G06F3/0416
    • A method is provided. A first voltage is applied to a first set of column electrodes within a touch panel during a first interval, and a second voltage is applied to a second set of column electrodes within the touch panel during the first interval. The first and second sets of electrodes are adjacent to one another, and the second voltage has the opposite polarity of the first voltage. During the first interval, a first measurement signal is received from a set of row electrodes in the touch panel, and the first measurement signal is integrated to generate a first integrated signal. The first voltage is applied to the second set of column electrodes within the touch panel during a second interval, and the second voltage is applied to the first set of column electrodes within the touch panel during the second interval. During the second interval, a second measurement signal is received from the set of row electrodes in the touch panel, and the second measurement signal is integrated to generate a second integrated signal. Then, the first and second integrated signals are combined to generate an output signal.
    • 提供了一种方法。 在第一间隔期间将第一电压施加到触摸面板内的第一组列电极,并且在第一间隔期间将第二电压施加到触摸面板内的第二组列电极。 第一和第二组电极彼此相邻,并且第二电压具有与第一电压相反的极性。 在第一间隔期间,从触摸面板中的一组行电极接收第一测量信号,并且第一测量信号被积分以产生第一积分信号。 在第二间隔期间,第一电压被施加到触摸面板内的第二组列电极,并且在第二间隔期间将第二电压施加到触摸面板内的第一组列电极。 在第二间隔期间,从触摸面板中的行电极组接收第二测量信号,并且第二测量信号被积分以产生第二积分信号。 然后,组合第一和第二积分信号以产生输出信号。
    • 6. 发明申请
    • METHOD AND APPARATUS FOR SENSING AND SCANNING A CAPACITIVE TOUCH PANEL
    • 用于感测和扫描电容触摸面板的方法和装置
    • US20130016062A1
    • 2013-01-17
    • US13184321
    • 2011-07-15
    • Tatsuyuki NiheiOsamu UchinoTatsuro Sato
    • Tatsuyuki NiheiOsamu UchinoTatsuro Sato
    • G06F3/044
    • G06F3/044G06F3/0416
    • A method is provided. A first voltage is applied to a first set of column electrodes within a touch panel during a first interval, and a second voltage is applied to a second set of column electrodes within the touch panel during the first interval. The first and second sets of electrodes are adjacent to one another, and the second voltage has the opposite polarity of the first voltage. During the first interval, a first measurement signal is received from a set of row electrodes in the touch panel, and the first measurement signal is integrated to generate a first integrated signal. The first voltage is applied to the second set of column electrodes within the touch panel during a second interval, and the second voltage is applied to the first set of column electrodes within the touch panel during the second interval. During the second interval, a second measurement signal is received from the set of row electrodes in the touch panel, and the second measurement signal is integrated to generate a second integrated signal. Then, the first and second integrated signals are combined to generate an output signal.
    • 提供了一种方法。 在第一间隔期间将第一电压施加到触摸面板内的第一组列电极,并且在第一间隔期间将第二电压施加到触摸面板内的第二组列电极。 第一和第二组电极彼此相邻,并且第二电压具有与第一电压相反的极性。 在第一间隔期间,从触摸面板中的一组行电极接收第一测量信号,并且第一测量信号被积分以产生第一积分信号。 在第二间隔期间,第一电压被施加到触摸面板内的第二组列电极,并且在第二间隔期间将第二电压施加到触摸面板内的第一组列电极。 在第二间隔期间,从触摸面板中的行电极组接收第二测量信号,并且第二测量信号被积分以产生第二积分信号。 然后,组合第一和第二积分信号以产生输出信号。