SEMICONDUCTOR DEVICE, DISPLAY SYSTEM, DETECTION METHOD, AND NON-TRANSITORY COMPUTER READABLE MEDIUM
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United States of America Patent
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Issued Date -
Oct 22, 2015
app pub date -
Apr 13, 2015
filing date -
Apr 18, 2014
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Abstract
The present invention provides a semiconductor device including: a detection section that acquires an output signal, which has an amplitude and is output from an analog-to-digital converter that converts a detection signal output from a capacitance type touch panel into a digital signal, that compares the output signal with a reference signal, and that, in a case in which a variation amount of the output signal with respect to the reference signal exceeds a first threshold value, detects whether a touching state of the touch panel is touched or not based on a time variation of the output signal.
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