Electricity: power supply or regulation systems – Input level responsive
Patent
1983-06-29
1985-10-08
Wong, Peter S.
Electricity: power supply or regulation systems
Input level responsive
363126, 363143, 323370, G05F 500
Patent
active
045463050
ABSTRACT:
A supply-voltage discrimination device for adapting a load (8) to a lower or higher alternating-voltage range includes a voltage-dependent resistor (1) thermally coupled to a PTC-resistor (2) and electrically connected in series with said voltage-dependent resistor. The resistors are chosen so that initially the dissipation is mainly determined by the voltage-dependent resistor.
REFERENCES:
patent: 3241026 (1982-03-01), Andrich
patent: 3686517 (1972-08-01), Sexton, Jr.
patent: 4349726 (1982-09-01), Gossler
patent: 4357525 (1982-11-01), Jenne
de Haan, administrator by Friedrich J.
Goddijn, deceased Bernardus H. A.
Franzblau Bernard
Jones Judson H.
Mayer Robert T.
U.S. Philips Corporation
Wong Peter S.
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