Touch control device and method, and method for forming touch control device
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United States of America Patent
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Feb 13, 2018
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N/A
app pub date -
May 19, 2015
filing date -
May 20, 2014
priority date (Note) -
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Abstract
A touch control device capable of preventing false positives is provided. The touch control device includes: a conductive plate, electrically connected to a predetermined potential; a sensing region, located above the conductive plate, including a plurality of capacitive sensing units; and a conductive ring, located above the conductive plate, disposed at a periphery of the sensing region. When a touch scanning signal is provided to one on-duty capacitive touch sensing unit of the capacitive touch sensing units, the conductive ring synchronously receives a control signal associated with the touch scanning signal.
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