Membrane switch having crossing circuit conductors

Details Membrane switch having crossing circuit conductors Membrane switch having crossing circuit conductors

1983-01-24

1984-12-11

Goldberg, E. A.

Electricity: circuit makers and breakers

Multiple circuit control

Multiple switch

361398, H01H 926

Patent

active

044880162

ABSTRACT:
Membrane switch assembly comprises a substrate, a separator, and a flexible membrane which is opposed to the substrate. Pairs of switch electrodes are provided on the substrate and commoning conductors are provided on the membrane so that flexure of the membrane against the substrate electrically commons the switch electrodes and closes the switch. The commoning conductor comprises two separate commoning pads which are connected by a bridging conductor on the membrane that extends circuitously between the commoning pads. There is a passageway between the commoning pads which is opposed to the passageway between the switch electrodes on the substrate. A circuit conductor can be provided on the substrate extending between the switch electrodes and this circuit conductor will not be contacted by the commoning conductor on the membrane when the switch is closed.

REFERENCES:
patent: Re30923 (1983-05-01), Durkee
patent: 3860771 (1975-01-01), Lynn
patent: 3987259 (1976-10-01), Larson
patent: 4066851 (1978-01-01), White
patent: 4243861 (1981-01-01), Strandwitz
patent: 4258096 (1981-03-01), LaMarche
patent: 4271333 (1981-06-01), Adams
patent: 4314117 (1982-02-01), Ditzig
patent: 4317013 (1982-02-01), Larson
patent: 4391845 (1983-07-01), Denley

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