LIGHT GUIDE HAVING A CAPACITIVE SENSING GRID AND RELATED METHODOLOGY

LIGHT GUIDE HAVING A CAPACITIVE SENSING GRID AND RELATED METHODOLOGY

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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Bibliographische Detailangaben
Hauptverfasser: LEE SIAN TATT, NG FOOK CHUIN, CHUNG MUH FONG, KO CHOON GUAN
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
PULSE TECHNIQUE
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Beschreibung
Zusammenfassung: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.