NON-CONTACT SENSING DEVICE AND ITS METHOD FOR COMPUTER PERIPHERALS
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United States of America Patent
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Issued Date -
Oct 25, 2012
app pub date -
Apr 17, 2012
filing date -
Apr 20, 2011
priority date (Note) -
Abandoned
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Abstract
A non-contact sensing device for computer peripherals comprises a sensing unit, a controller and a transmitting unit. The sensing unit can detect a digital pointing device and generate a sensing signal. The controller outputs a starting signal and a stopping signal in different time ratios according to the sensing signal and makes the transmitting unit to generate an oscillating signal dynamically to be sent to the digital pointing device. Thereby, the electric power consumed by the non-contact sensing device can be reduced substantially.
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