TOUCH PANEL DEVICE AND CONTROL METHOD OF TOUCH PANEL DEVICE
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United States of America Patent
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Issued Date -
May 22, 2014
app pub date -
Nov 21, 2013
filing date -
Nov 21, 2012
priority date (Note) -
Abandoned
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Abstract
A touch panel device includes first and second electrode pairs each of which is provided on a substrate so as to form a capacitor, a first wire connected to one electrode of the first electrode pair, a second wire connected to one electrode of the second electrode pair, a voltage applying portion connected to the first and second wires and respectively applying first and second voltages to the first and second wires, a detector respectively detecting, as first and second detection voltages, voltages of the first and second electrode pairs respectively generated by applying the first and second voltages from the voltage applying portion, and a processor performing predetermined processing in response to the first and second detection voltages detected by the detector. The first wire is longer than the second wire. The voltage applying portion sets the first voltage higher than the second voltage.
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