Electricity: electrical systems and devices – Control circuits for electromagnetic devices – For relays or solenoids
Patent
1981-11-09
1983-10-11
Eisenzopf, Reinhard J.
Electricity: electrical systems and devices
Control circuits for electromagnetic devices
For relays or solenoids
361195, H01H 4718
Patent
active
044096402
ABSTRACT:
This disclosure depicts a novel abort cycle timer circuit for use with an AC source of electrical power and for operating electrical controls for machinery. The circuit provides a substantially DC voltage and current, first and second relays with normally open and normally closed contacts and a timing abort circuit. Opening a first of two switches causes the second of the two relays to energize after a time delay. Opening both switches causes the second relay to deenergize after a predetermined time. The novel circuit has improved immunity to electrical and magnetic noise.
REFERENCES:
patent: 3346779 (1967-10-01), Enk
Kampf Julian C.
Libert James T.
Profio Mark V.
Eisenzopf Reinhard J.
Femal Michael J.
Guttman Richard T.
Reynolds Donald P.
Square D Company
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