Input device and information processing apparatus for entering an energy-saving mode
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United States of America Patent
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Sep 17, 2013
Grant Date -
Jun 3, 2010
app pub date -
Sep 14, 2009
filing date -
Dec 3, 2008
priority date (Note) -
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Abstract
An input device includes light-emitting units, which are arranged around a display, and configured to emit an inspection light, light-receiving units, which are arranged around the display, and configured to receive the inspection light, and a control unit configured to determine whether an input is valid or not based on an intensity of light received by the light-receiving units, and transit to an energy-saving mode when the input is not valid.
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