Digitizer, signal transmission device, digitizer device and control methods thereof
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United States of America Patent
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Jan 5, 2021
Grant Date -
Apr 25, 2019
app pub date -
Oct 24, 2018
filing date -
Oct 25, 2017
priority date (Note) -
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Abstract
A digitizer, a signal transmission device, a digitizer device and control methods thereof are provided. The digitizer includes an operating panel and a first processor. The operating panel is provided with multiple photoelectric sensors. The multiple photoelectric sensors receive an external optical signal, convert the optical signal into an electric signal, and transmit the electric signal to the first processor. The first processor is configured to determine, in accordance with the electric signal, a location where the optical signal is received.
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