OPTICAL INPUT METHOD AND OPTICAL VIRTUAL MOUSE UTILIZING THE SAME
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United States of America Patent
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Dec 22, 2016
app pub date -
Aug 18, 2015
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Jun 22, 2015
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Abstract
An optical input method and an optical virtual mouse utilizing the same are provided. The optical input method, adopted by an optical virtual mouse, includes: emitting, by a light source, a first optical representation; generating, by an image sensor, a sense image which includes the first optical representation; determining, by a controller, a first distance between a first finger and the image sensor based on a first position of the first optical representation in the sense image; and determining, by the controller, a first displacement of the optical virtual mouse along a first direction according to the first distance.
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