Stylus for a digitizer system
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United States of America Patent
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Jan 23, 2018
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N/A
app pub date -
Feb 25, 2014
filing date -
Feb 25, 2013
priority date (Note) -
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Abstract
A signal emitting stylus for operation with a digitizer system includes a resonant circuit including a first capacitor and an inductor, the circuit operative to alternate between receiving a wirelessly transmitted first signal and generating electrical field; a controller and a power source. The controller operates the resonant circuit in a receive mode for receiving the first signal, decodes the received first signal and switches operation of the resonant circuit to a transmit mode for generating the electrical field and coupling the electrical field to a digitizer system in response to detecting the first signal. The power source powers generation of the electrical field.
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