CAPACITIVE TOUCH DEVICE AND METHOD IDENTIFYING TOUCH OBJECT ON THE SAME
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United States of America Patent
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Feb 25, 2016
app pub date -
Aug 3, 2015
filing date -
Aug 21, 2014
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Abstract
A capacitive touch device and a method identifying touch object on the touch device read sensing information of multiple traces of a touch panel corresponding to a touch object, in which the sensing information includes a sensing cluster corresponding to a portion on the touch panel touched by the touch object, identify a hover cluster of the sensing information corresponding to a portion adjacent to and surrounding the sensing cluster, determine if the hover cluster meets a first characteristic, and determine that the touch object is a specific touch object when the hover cluster meets the first characteristic. Given the foregoing device and method, a palm rejection operation can be more accurately performed and is also applicable to object detection at corners of the touch panel.
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