Input control system

Details Input control system Input control system

1978-09-22

1981-04-14

Makay, Albert J.

Refrigeration

Automatic control

Preventing, removing or handling atmospheric condensate

62140, 62248, 62275, 733365, F25D 2100

Patent

active

042611792

ABSTRACT:
An input control system having a sensing circuit, a switching circuit and a source of power isolated from the sensing circuit and the switching circuit. The sensing circuit includes a sensor having a variable electrical characteristic, a detector for detecting variations in that characteristic and for producing a representative output, a signal producing circuit for producing a predetermined signal in response to the detector output achieving a selected value, and coupler responsive to the predetermined signal to produce a coupling output. The switching circuit which is isolated from the sensing circuit produces a switching signal in response to the coupling signal to operate a switch for connecting an electrical load to the power source.

REFERENCES:
patent: 3195344 (1965-07-01), Francisco
patent: 3460352 (1969-08-01), Lorenz
patent: 3696360 (1972-10-01), Gajewski
patent: 3820398 (1974-06-01), Rekai
patent: 3859502 (1975-01-01), Heaney
patent: 3911245 (1975-10-01), O'Shaughnessy
patent: 4048520 (1977-09-01), Muskovac

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