Touch sensor
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United States of America Patent
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Mar 13, 2018
Issued Date -
N/A
app pub date -
Nov 19, 2015
filing date -
Mar 9, 2015
priority date (Note) -
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Abstract
A touch sensor includes a touch panel including driving lines and sensing lines and having node capacitors between neighboring or overlapping driving lines and sensing lines, a driving unit configured to modulate driving signals using a direct sequence spread spectrum technique or scheme and simultaneously drive two or more of the driving lines using the modulated driving signals, and a sensing unit configured to demodulate the signals from the sensing lines using the direct sequence spread spectrum method and generate demodulated signals.
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