Membrane switch

Details Membrane switch Membrane switch

1994-04-25

1995-03-28

Pellinen, A. D.

Electricity: circuit makers and breakers

Multiple circuit control

Multiple switch

200 86R, 200512, H01H 900

Patent

active

054019222

ABSTRACT:
A membrane switch including first and second substantially flexible electrical contacts and a first layer of dielectric material deposited between and on one surface of one of the first and second contacts, the first layer being deposited in a predetermined geometric pattern including a plurality of cells defined by cell walls, the cell walls being broken in predetermined positions about the perimeter of each cell so that during and after actuation of the switch, air within a cell between the first and second contacts can vent to one or more adjoining cells to enable activation and prevent a vacuum from forming between the first and second contacts thereby enabling the switch to break contact after being released.

REFERENCES:
patent: 3617660 (1971-11-01), Krakinowski
patent: 4034176 (1977-07-01), Larson
patent: 4046975 (1977-09-01), Seeger, Jr.
patent: 4243852 (1981-01-01), Larson
patent: 4382165 (1983-05-01), Balash et al.
patent: 4525606 (1985-06-01), Sado
patent: 4602135 (1986-07-01), Phalen
patent: 5198629 (1993-03-01), Hayashi et al.

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