Keypad assembly

Details Keypad assembly Keypad assembly

2011-05-24

2011-05-24

Leon, Edwin A. (Department: 2833)

Electricity: circuit makers and breakers

Electric switch details

Indicators

Reexamination Certificate

active

07947915

ABSTRACT:
Disclosed is a keypad assembly including a light guide panel, light, at least one light extracting pattern provided on the light guide panel so that light propagating inside the light guide panel is directed out of the light guide panel, a switch board having at least one switch; and at least one light source for coupling light to the inside of the light guide panel, wherein the light guide panel has a thickness of 0.03-0.6 mm.

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patent: 10-695020 (2007-03-01), None
patent: WO 99/63394 (1999-12-01), None
patent: WO2005/107363 (2005-11-01), None

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