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POSITIONING ALGORITHM FOR EDGE PORTION OF TOUCH PANEL AND POSITIONING SYSTEM USING THE SAME
POSITIONING ALGORITHM FOR EDGE PORTION OF TOUCH PANEL AND POSITIONING SYSTEM USING THE SAME
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机译:触摸面板边缘部分的定位算法和使用该算法的定位系统
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摘要
A positioning algorithm for edge portion of touch panel is provided. Dummy sensing lines surrounding a touch panel are provided. The x-axis and y-axis coordinate ranges of x-axis and y-axis sensing lines of the touch panel are determined. When the touch panel is touched, an x-axis sensing line, a y-axis sensing line, and a dummy sensing capacitance generated by the dummy sensing lines are located. Whether the corresponding x-axis sensing capacitance of the x-axis sensing line is smaller than or equal to the x-axis dummy sensing capacitance is determined. If so, an x-axis coordinate value is obtained according to the x-axis sensing capacitance and the dummy sensing capacitance. Whether the corresponding y-axis sensing capacitance of the y-axis sensing line is smaller than or equal to y-axis dummy sensing capacitance is determined. If so, a y-axis coordinate value is obtained according to the y-axis sensing capacitance and the dummy sensing capacitance.
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