Electricity: electrical systems and devices – Control circuits for electromagnetic devices – For relays or solenoids
Patent
1979-11-16
1981-03-17
Miller, J. D.
Electricity: electrical systems and devices
Control circuits for electromagnetic devices
For relays or solenoids
361156, 361186, H01H 4700
Patent
active
042570824
ABSTRACT:
A magnetic flip-flop circuit, predominantly used for hydrophone preamplifs, which allows switching capabilities at a remote location while minimizing the number of conductors. In particular, the circuitry is a magnetic flip-flop system which has a multiple-pole, double-throw latching magnetic relay in combination with a single-pole, nonlatching magnetic relay. The combination is coupled to allow a switching of the magnetic latching relay by merely removing the voltage from a single conductor.
REFERENCES:
patent: 2678411 (1954-05-01), Hufnagel
patent: 2703532 (1955-03-01), Bobo
patent: 2837700 (1958-06-01), Brown
patent: 3174080 (1965-03-01), Scott
patent: 3365622 (1968-01-01), Pearse
patent: 3365625 (1968-01-01), Pearse
patent: 3500132 (1970-03-01), Garrett
patent: 3931551 (1976-01-01), Holt
Ellis William T.
Miller J. D.
Schroeder L. C.
Sciascia R. S.
The United States of America as represented by the Secretary of
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