CAPACITIVE TOUCH DEVICE AND DETECTION METHOD OF CAPACITIVE TOUCH PANEL THEREOF
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United States of America Patent
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Jan 6, 2016
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Jan 6, 2016
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Abstract
A capacitive touch device and a detection method of a capacitive touch panel thereof are provided. The capacitive touch device includes a plurality of touch electrodes, a detector unit, a plurality of switch units and a touch point determination unit. The detector unit is used for providing a plurality of capacitances after detecting the touch electrodes. The switch units couple the detector unit to the touch electrodes and provide a ground voltage to the touch electrodes which are not coupled to the detector unit. The touch point determination unit is coupled to the detector unit to determine whether the touch electrodes are touched according the capacitances and provides touch information accordingly.
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