Electricity: circuit makers and breakers – Multiple circuit control – Multiple switch
Patent
1980-04-04
1982-03-30
Witkowski, S. J.
Electricity: circuit makers and breakers
Multiple circuit control
Multiple switch
200 16C, 200 16D, H01H 1508, H01H 1510, H01H 1516
Patent
active
043225888
ABSTRACT:
A slide selector switch device comprising a membrane switch having a base layer, an intermediate layer and a cover layer of electrical insulation material, the intermediate layer having a plurality of sets of openings arranged in straight lines, the base and cover layers each having an electrically conductive switching and circuit pattern on its inside face including contact areas at the openings and circuits each adapted to be made on electrical contact of the contact areas at a respective opening, a slide guide overlying the cover layer, and slides, one for each of said sets of openings, each slidable along a respective line to a plurality of different positions for depressing the portion of the cover layer at a respective opening to make the respective circuit.
REFERENCES:
patent: 3205319 (1965-09-01), Anderson
patent: 3584162 (1971-06-01), Krakinowski
patent: 3632909 (1972-01-01), Rowley
patent: 3786206 (1974-01-01), Kurimsky
patent: 3854018 (1974-12-01), Reynolds et al.
patent: 3909564 (1975-09-01), Scheingold et al.
patent: 3963884 (1976-06-01), Pollock
patent: 4012608 (1977-03-01), Lockard
Technical Disclosure Bulletin, vol. 22, No. 6, Nov., 1979, IBM Corporation.
Chumley Calvin L.
Hendrickson William W.
Mace Leon P.
UMC Industries Inc.
Witkowski S. J.
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