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    • 2. 发明申请
    • Base capacitance compensation for a touchpad sensor
    • 触摸板传感器的基本电容补偿
    • US20070079996A1
    • 2007-04-12
    • US11541693
    • 2006-10-03
    • Wen-Kai LeeKuan-Chun Tang
    • Wen-Kai LeeKuan-Chun Tang
    • G08C21/00
    • G06F3/044
    • Methods are provided for base capacitance compensation of traces in a touchpad sensor. Compensation areas are calculated by evaluating the differences between the base capacitances of the traces, or the differences between the base capacitances of the traces and a target value. The compensation areas are electrically connected to respective traces to equalize the base capacitances of the traces. Alternatively, a relationship between the areas of the traces and the distances from the traces to a grounding layer for equalizing the base capacitances of the traces is derived and from which the areas of the traces or the position of the grounding layer are adjusted.
    • 提供了用于触摸板传感器中迹线的基本电容补偿的方法。 通过评估迹线的基极电容之间的差异或迹线的基极电容与目标值之间的差异来计算补偿区域。 补偿区域电连接到各个迹线以均衡迹线的基极电容。 或者,导出迹线的区域与从迹线到接地层的距离之间的关系,用于均衡迹线的基极电容,并且从其调整迹线的面积或接地层的位置。
    • 3. 发明授权
    • Base capacitance compensation for a touchpad sensor
    • 触摸板传感器的基本电容补偿
    • US08040325B2
    • 2011-10-18
    • US11541693
    • 2006-10-03
    • Wen-Kai LeeKuan-Chun Tang
    • Wen-Kai LeeKuan-Chun Tang
    • G09G5/00
    • G06F3/044
    • Methods are provided for base capacitance compensation of traces in a touchpad sensor. Compensation areas are calculated by evaluating the differences between the base capacitances of the traces, or the differences between the base capacitances of the traces and a target value. The compensation areas are electrically connected to respective traces to equalize the base capacitances of the traces. Alternatively, a relationship between the areas of the traces and the distances from the traces to a grounding layer for equalizing the base capacitances of the traces is derived and from which the areas of the traces or the position of the grounding layer are adjusted.
    • 提供了用于触摸板传感器中迹线的基本电容补偿的方法。 通过评估迹线的基极电容之间的差异或迹线的基极电容与目标值之间的差异来计算补偿区域。 补偿区域电连接到各个迹线以均衡迹线的基极电容。 或者,导出迹线的区域与从迹线到接地层的距离之间的关系,用于均衡迹线的基极电容,并且从其调整迹线的面积或接地层的位置。
    • 7. 发明授权
    • Method for calibrating coordinates of touch screen
    • 校准触摸屏坐标的方法
    • US07990368B2
    • 2011-08-02
    • US12123677
    • 2008-05-20
    • Chia-Yi LeeWen-Kai Lee
    • Chia-Yi LeeWen-Kai Lee
    • G06F3/041
    • G06F3/0418G06F3/044
    • A method for calibrating coordinates of a touch screen includes the steps of: providing a display panel, which includes display coordinates along a first axis and a first axis display coordinate; providing a capacitive sensor, which includes sensing electrodes disposed along the first axis and respectively corresponding to sensing coordinates, wherein capacitive sensor has a maximum sensing coordinate; detecting digital values corresponding to the sensing electrodes when the capacitive sensor is touched; multiplying the digital values by the sensing coordinates corresponding to the sensing electrodes to obtain a weighting value; dividing the weighting value by the maximum sensing coordinate to obtain an interpolated value; and multiplying the interpolated value by the first axis display coordinate to obtain a calibrated coordinate.
    • 一种用于校准触摸屏的坐标的方法包括以下步骤:提供包括沿着第一轴的显示坐标和第一轴显示坐标的显示面板; 提供电容传感器,其包括沿着所述第一轴设置并分别对应于感测坐标的感测电极,其中电容传感器具有最大感测坐标; 当触摸电容传感器时检测与感测电极对应的数字值; 将数字值乘以与感测电极对应的感测坐标,以获得加权值; 将加权值除以最大感测坐标以获得内插值; 并且将内插值乘以第一轴显示坐标以获得校准坐标。