Membrane switch with movable and fixed flap contacts mounted on

Details Membrane switch with movable and fixed flap contacts mounted on Membrane switch with movable and fixed flap contacts mounted on

1990-04-26

1991-07-16

Scott, J. R.

Electricity: circuit makers and breakers

Solid contact

Membrane type

200 5A, 200292, H01H 110, H01H 1370

Patent

active

050326953

ABSTRACT:
A membrane key switch includes a single resiliently deformable dielectric membrane with flaps cut therein which is formed in a housing such that the end of each flap covers a portion of the membrane. Conductive traces of the membrane are positioned so that downward flexing of the flap, caused by actuation of the switch, establishes electrical contact between a contact region on the flap end and a contact region on an uncut portion of the membrane.

REFERENCES:
patent: 3294927 (1966-12-01), Hill
patent: 3745288 (1973-07-01), Reimer
patent: 3777082 (1973-12-01), Hatley et al.
patent: 3911234 (1975-10-01), Kotaka
patent: 4032729 (1977-06-01), Koistinen
patent: 4066851 (1978-01-01), White et al.
patent: 4314117 (1982-02-01), Ditzig
patent: 4354081 (1982-10-01), Serras-Paulet
patent: 4362911 (1982-12-01), Sears et al.
patent: 4400595 (1983-08-01), Ahumada
patent: 4503294 (1985-03-01), Matsumaru
patent: 4515999 (1985-05-01), Harper
patent: 4529849 (1985-07-01), Kamei et al.

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