Computer keyboard key switch

Details Computer keyboard key switch Computer keyboard key switch

1994-04-20

1995-10-10

Luebke, Renee S.

Electricity: circuit makers and breakers

Electric switch details

Actuators

H01H 312

Patent

active

054572975

ABSTRACT:
A computer keyboard key switch which includes a bottom support board, a membrane circuit supported on the support board, a key base having a rubber cone and supported on the membrane circuit, a bridging device supporting board supported on the key base, a key cap, and a bridging device connected between the key cap and the bridge device supporting board and consisting of two rectangular open frames pivotally connected into a crossed form for permitting the key cap to be depressed to compress the rubber cone causing it to trigger the membrane circuit.

REFERENCES:
patent: 4433225 (1984-02-01), Cowles
patent: 4580022 (1986-04-01), Oelsch et al.
patent: 4902862 (1990-02-01), Oelsch et al.
patent: 5278372 (1994-01-01), Takagi et al.

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