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    • 7. 发明授权
    • Positional information correction device, touch sensor, positional information correction method, and program
    • 位置信息校正装置,触摸传感器,位置信息校正方法和程序
    • US08836657B2
    • 2014-09-16
    • US13346078
    • 2012-01-09
    • Kazuyuki YamamotoTakuro NodaIkuo Yamano
    • Kazuyuki YamamotoTakuro NodaIkuo Yamano
    • G06F3/044G06F3/041
    • G06F3/044G06F3/0418
    • A positional information correction device includes a positional information acquisition unit configured to acquire positional information showing a position of an operation body, which is detected by a position detection unit, from a touch sensor that includes a plurality of first electrodes wired along a first direction, a plurality of second electrodes wired along a second direction, and the position detection unit that detects the position of the operation body that approaches the first and second electrodes, based on capacitance on the first and second electrodes, a capacitance value acquisition unit configured to acquire a capacitance value showing a value of the capacitance on the first and second electrodes from the touch sensor, and a positional information correction unit configured to correct the positional information by using a first correction function that includes a first periodic function and a second correction function that includes a second periodic function.
    • 位置信息校正装置包括位置信息获取单元,被配置为从包括沿着第一方向布线的多个第一电极的触摸传感器获取表示由位置检测单元检测的操作体的位置的位置信息, 多个沿着第二方向布线的第二电极,所述位置检测单元基于所述第一和第二电极上的电容来检测接近所述第一和第二电极的所述操作体的位置;电容值获取单元,被配置为获取 示出了来自触摸传感器的第一和第二电极上的电容值的电容值,以及配置为通过使用包括第一周期性函数和第二校正函数的第一校正函数来校正位置信息的位置信息校正单元, 包括第二周期性函数。