Electricity: circuit makers and breakers – Electric switch details – Indicators
Reexamination Certificate
2006-11-03
2009-08-11
Leon, Edwin A. (Department: 2833)
Electricity: circuit makers and breakers
Electric switch details
Indicators
Reexamination Certificate
active
07572994
ABSTRACT:
Disclosed is a keypad and method for fabricating same. The keypad comprises at least one key top, a waveguide having an upper surface on which the key top is disposed and a lower surface on which a plurality of reflective patterns are formed to reflect part of light traveling in the waveguide toward the key top, a lower elastic layer disposed below the waveguide, and an upper elastic layer disposed on top of the waveguide so as to be interposed between the key top and the waveguide.
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Cha & Reiter LLC
Leon Edwin A.
Samsung Electronics Co,. Ltd.
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