Optical input apparatus
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United States of America Patent
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May 19, 2015
Grant Date -
Jun 19, 2014
app pub date -
Jul 23, 2013
filing date -
Dec 14, 2012
priority date (Note) -
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Abstract
An optical input apparatus is provided and includes an input device for providing data and control signals to a computer; and at least one object sensing module disposed on a top of the input device and each including an optical sensor and a light source. The light source is capable of emitting light upward divergently to create a virtual sensing space above.
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