Electricity: circuit makers and breakers – Electric switch details – Indicators
Reexamination Certificate
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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Jung Sun-tae
Lee Joo-Hoon
Lee Yu-Sheop
Cha & Reiter LLC
Leon Edwin A.
Samsung Electronics Co,. Ltd.
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