Electricity: circuit makers and breakers – Electric switch details – Indicators
Reexamination Certificate
2007-06-18
2008-12-09
Enad, Elvin (Department: 2832)
Electricity: circuit makers and breakers
Electric switch details
Indicators
C200S341000
Reexamination Certificate
active
07462794
ABSTRACT:
A keypad includes a light guide panel, the interior of which light propagates through; at least one key button positioned on the upper surface of the light guide panel; and at least one reflective pattern fixedly positioned with respect to the light guide panel to reflect a part of the light, which propagates through the interior of the light guide panel, towards the key button.
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Cho Byung-Duck
Jang Dong-Hoon
Jung Sun-Tae
Kim Kyoung-Youm
Lee Joo-Hoon
Cha & Reiter LLC
Enad Elvin
Klaus Lisa N
Samsung Electronics Co,. Ltd.
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