Electricity: electrical systems and devices – Control circuits for electromagnetic devices – For relays or solenoids
Patent
1993-09-10
1995-04-11
Hoff, Marc S.
Electricity: electrical systems and devices
Control circuits for electromagnetic devices
For relays or solenoids
361 98, 361 90, 361 13, 361 3, H01H 930
Patent
active
054064422
ABSTRACT:
A solid state relay having circuitry incorporated therein which senses line conditions and load conditions and activates an alarm when a fault is detected.
REFERENCES:
patent: 4270058 (1981-05-01), Schornack
patent: 4350949 (1982-09-01), Fujita
patent: 4538195 (1985-08-01), Elmore
patent: 4578596 (1986-05-01), Tihanyi et al.
patent: 4745311 (1988-05-01), Iwasaki
patent: 4924343 (1990-05-01), Niemi
patent: 5283706 (1994-02-01), Lilleno et al.
Carlo Gavazzi AG
Hoff Marc S.
Krishnan Aditya
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