Touch panel display device performing parallel touch scan of different display regions
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United States of America Patent
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Mar 3, 2015
Grant Date -
Mar 18, 2010
app pub date -
Aug 28, 2009
filing date -
Sep 16, 2008
priority date (Note) -
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Abstract
Disclosed herein is a contact detecting device including: a contact responding section configured to produce an electric change in response to an object to be detected coming into contact with or proximity to a detecting surface; and a contact driving scanning section configured to scan application of driving voltage to the contact responding section in one direction within the detecting surface, and control output of the electric change in time series, wherein the contact driving scanning section performs a plurality of scans of different regions of the contact responding section in parallel with each other, and outputs a plurality of the electric changes in parallel with each other.
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