Method and apparatus for determining touch point coordinates on a touch panel with anisotropic films
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United States of America Patent
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Jun 7, 2016
Grant Date -
Jan 1, 2015
app pub date -
Jun 26, 2013
filing date -
Jun 26, 2013
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Abstract
A method for determining touch point coordinates on a touch panel comprises following steps. A touch panel with a transparent conductive layer is provided, the transparent conductive layer comprises a first direction X having relative low impedance, and a second direction Y having a relative high impedance; a number of first conductive terminals P1 and a number of second conductive terminals P2 opposite the first conductive terminals P1, are electrically connected to the transparent conductive layer, spaced from each other, and arranged along the X direction. At least two adjacent first conductive terminals P1, at least two adjacent second conductive terminals P2, or one of the first conductive terminals P1 and opposite one of the second conductive terminals P2 are simultaneously driven. A number of signals are obtained. The touch point coordinates are obtained by comparing the strengths of the plurality of signals.
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