Keyboard and method for manufacturing the same

Details Keyboard and method for manufacturing the same Keyboard and method for manufacturing the same

2006-04-25

2006-04-25

Martin, David (Department: 2837)

Music

Instruments

Electrical musical tone generation

C084S719000

Reexamination Certificate

active

07034219

ABSTRACT:
A keyboard and a method for manufacturing the keyboard using silicon rubber. The method for manufacturing the keyboard includes forming sheets from silicon rubber; forming the sheets into a top pad with keys integrally formed thereon and a bottom pad bonded to a bottom surface of the top pad; painting the keys through a silk-screen printing method; and bonding the top and bottom pads with silicon liquid rubber in a state where a flexible printed circuit board is interposed between the pads. The keyboard is configured such that the painted keys are arranged on a top surface of the top pad and the flexible printed circuit board is interposed between the top and bottom pads so that the flexible printed circuit board is electrically contacted to produce a desired sound from a speaker of a controller when a user strikes the keys.

REFERENCES:
patent: 3979568 (1976-09-01), Johnson
patent: 4491702 (1985-01-01), Kato
patent: 4636593 (1987-01-01), Novak et al.
patent: 5374018 (1994-12-01), Daneshvar
patent: 6087575 (2000-07-01), Niitsuma
patent: 6322875 (2001-11-01), Kimura

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