Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1977-11-30
1980-02-12
Anagnos, Larry N.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307216, 307254, 307270, 307293, 307362, H03K 5153, H03K 1718, H03K 1760, H01H 4718
Patent
active
041885473
ABSTRACT:
For providing an interface between a low level input control signal and a power switch, a control logic circuit is presented for permitting operation of a solid state relay in any one of a plurality of modes of operation including operation as either a normally open relay, a normally closed relay, or a latching relay, and also to make possible combinations of such relays for operation in parallel with a second relay operating in or out of phase with a first relay. The control logic circuit includes logic gates with means for selective interconnection of external terminals to set the operation in the desired mode as well as to permit one relay to be responsive to the condition of another.
REFERENCES:
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patent: 3660695 (1972-05-01), Schmitt
patent: 3678291 (1972-07-01), Coe
patent: 3723769 (1973-03-01), Collins
patent: 3890512 (1975-06-01), Kumakawa et al.
patent: 3898552 (1975-08-01), Baker
patent: 3963947 (1976-06-01), Bogel
patent: 3987316 (1976-10-01), Bogel et al.
patent: 4007378 (1977-02-01), Lazzara
patent: 4010386 (1977-03-01), Rossell
patent: 4048522 (1977-09-01), Gary et al.
Anagnos Larry N.
Telfer G. H.
Westinghouse Electric Corp.
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