Method for controlling a touch panel having button electrodes and sensing electrodes in a same conductive layer
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United States of America Patent
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Aug 2, 2016
Grant Date -
May 28, 2015
app pub date -
Nov 25, 2014
filing date -
Nov 28, 2013
priority date (Note) -
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Abstract
A method for controlling a touch panel is disclosed. A first driving signal is applied to the driving electrodes to obtain a number of first electrical signals corresponding to a number of conductive stripes of touch panel. The first electrical signals are converted into a number of first digital signals by digital analog conversion with a first factor. A second driving signal is applied to a number of driving electrodes to obtain a number of second electrical signals corresponding to a number of button electrodes of the touch panel. The second electrical signals are converted into a number of second digital signals by digital analog conversion with a second factor. The second factor is smaller than the first factor.
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