Decorative key sheet for pushbutton switches

Details Decorative key sheet for pushbutton switches Decorative key sheet for pushbutton switches

2011-03-08

2011-03-08

Leon, Edwin A. (Department: 2833)

Electricity: circuit makers and breakers

Electric switch details

Indicators

Reexamination Certificate

active

07902470

ABSTRACT:
Disclosed is a decorative key sheet of high visibility which is superior in terms of design and helps to maintain a quality appearance, which enables an operator to perform input operation safely, and which is of a thin type. The decorative key sheet is formed as a thin sheet including an operation plate, a film sheet, and a base sheet. A fine asperity pattern is provided on a front surface side of an operation plate. Further, a light reflection layer enhancing the visibility of the fine asperity pattern is provided on a back surface of the operation plate. The operation plate is transparent. The fine asperity pattern is formed on a resin layer.

REFERENCES:
patent: 2005/0221058 (2005-10-01), Shigeta
patent: 2006/0017693 (2006-01-01), Nishimura
patent: 06-305063 (1994-11-01), None
patent: 2002-008476 (2002-01-01), None
patent: 2003-109450 (2003-04-01), None
patent: 2005-111865 (2005-04-01), None
patent: 2006-156333 (2006-06-01), None
patent: 2006-185699 (2006-07-01), None

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