Touch devices having driving unit for detecting a touch point position and touch point position detection methods thereof
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United States of America Patent
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May 31, 2016
Grant Date -
Jan 19, 2012
app pub date -
Jul 19, 2011
filing date -
Jul 19, 2010
priority date (Note) -
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Abstract
A detection method for detecting a touch point on a touch panel is provided. The detection method includes: (1) providing a touch panel which is capable of being divided into even unit regions; (2) defining a plurality of unit regions as a detection region by a control unit; (3) detecting the detection region to obtain a position of the touch point in the corresponding unit region by a driving unit; (4) when the detecting is failed to obtain the position, re-defining the number of unit regions consisting of the detection region by the control unit; and (5) when the position is detected, memorizing the position into a memory unit. The number of unit regions defined in the step (4) is equal to a half of the number of unit regions defined in the step (2).
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