TOUCH STYLUS AND OPERATING METHOD THEREOF
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United States of America Patent
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Issued Date -
Jan 15, 2015
app pub date -
Jul 9, 2014
filing date -
Jul 12, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A touch stylus and operating method thereof are disclosed. The touch stylus includes a piezoelectric unit, a magnet unit, and a coil unit. The piezoelectric unit is formed by a piezoelectric material. The magnet unit is coupled to the piezoelectric unit. The coil unit is evenly wound on the outer of the magnet unit. When a tip of the touch stylus is forced and generates a vibration, the piezoelectric material of the piezoelectric unit is deformed by force to generate a piezoelectric current. When the touch stylus is shaken, the coil unit and the magnet unit will generate relative movement to change the distance between them and the magnetic flux will be changed, the coil unit will generate an induced current.
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