Light guide having a capacitive sensing grid for a keypad and related methodology
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United States of America Patent
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Dec 25, 2012
Grant Date -
Dec 15, 2011
app pub date -
Jun 10, 2010
filing date -
Jun 10, 2010
priority date (Note) -
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Abstract
An electronic device may include a keypad having a plurality of predefined key areas and a light guide that may be used to illuminate the key areas. The light guide may include a capacitive sensing grid to sense user contact relative to the keypad.
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