TOUCH SENSOR
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United States of America Patent
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-
N/A
Issued Date -
Sep 10, 2015
app pub date -
May 12, 2014
filing date -
Mar 5, 2014
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A touch panel is disclosed. The touch panel includes driving lines and sensing lines. A node capacitor is formed between a driving line and an adjacent sensing line. The touch panel also includes a driver configured to demodulate a driving signal using a direct sequence spread spectrum method and supply the demodulated driving signal to each of the driving lines, and a sensor electrically connected to the sensing lines, configured to detect a variation in a capacitance of the node capacitors. The sensor demodulates a signal from the sensing line using the direct sequence spread spectrum method.
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