Load control circuit with different input voltages

Electrical transmission or interconnection systems – Plural load circuit systems – Plural sources of supply

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307 72, 307130, 323299, 363 79, 363142, 363143, H02M 110

Patent

active

046084983

ABSTRACT:
A load control circuit having an input terminal adapted to receive any one of a number of different input voltage signals including signals of at least first and second type. These signals may be, respectively, DC and AC input signals. Control circuits are provided for operation of the load from the input voltage signal. This control circuit includes at least first part responsive only to said input voltage signal being of first type for coupling said signal of first type to the load, and a second part responsive only to the input voltage signal being of second type for coupling the signal of second type to the load.

REFERENCES:
patent: 2997631 (1961-08-01), Moakler
patent: 3287623 (1966-11-01), Valancius
patent: 3419790 (1968-12-01), Gahn
patent: 3755686 (1973-08-01), Woods
patent: 3886429 (1975-05-01), Maillard et al.
patent: 4016458 (1977-04-01), Everhart
patent: 4185315 (1980-01-01), Miller
patent: 4209710 (1980-06-01), Quarton

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