METHOD FOR PREVENTING FALSE ACTIVATION OF TOUCH PAD
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United States of America Patent
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Issued Date -
Apr 2, 2015
app pub date -
Sep 29, 2014
filing date -
Sep 27, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method for preventing a false activation of a touch pad is provided. In the method, a touch area of the touch pad is divided into subareas. A lock threshold Nlock and a sensing signal threshold Vlock are set. The touch pad is scanned when there is a touch acted on the touch pad. A quantity Ni of touch points in each of the subareas is counted. If the quantity Ni of the touch points in a certain subarea is less than Nlock, the one subarea is maintained touchable, if not, the certain subarea is maintained untouchable.
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