Capacitance switch

Details Capacitance switch Capacitance switch

1981-01-26

1983-01-04

Little, Willis

Electricity: circuit makers and breakers

Liquid contact

Time delay

200 5A, 200292, 340365C, H01H 900, H01H 1302

Patent

active

043673856

ABSTRACT:
A capacitance-type membrane switch is provided in which it is practical to seal the switch against dust and fluid.

REFERENCES:
patent: 3492440 (1970-01-01), Cerbone et al.
patent: 3769869 (1973-11-01), Nelson
patent: 3982081 (1976-09-01), Demler, Jr.
patent: 4028509 (1977-06-01), Zurcher
patent: 4088994 (1978-05-01), McNay
patent: 4145584 (1979-03-01), Otterlei
patent: 4153987 (1979-05-01), Boulanger
patent: 4293987 (1981-10-01), Gottbreht et al.

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