Electricity: electrical systems and devices – Control circuits for electromagnetic devices – For relays or solenoids
Patent
1980-05-05
1982-02-02
Miller, J. D.
Electricity: electrical systems and devices
Control circuits for electromagnetic devices
For relays or solenoids
307142, 361189, H01H 6336
Patent
active
043143075
ABSTRACT:
An electrical circuit for allowing electrical power to be applied to the ctro-mechanical sensors of an automatic flight control system of an aircraft only when either the Engine Start switch or AFCS Engage switch is closed separately or simultaneously. Upon the closing of either one or both of the switches, a pair of latching relays are energized which in turn provide electric power to the electro-mechanical sensors.
REFERENCES:
patent: 3629608 (1971-12-01), Trindle
patent: 3781651 (1973-12-01), Heidel
patent: 3826954 (1974-07-01), Neher
Adams, Sr. Don L.
Fischer William C.
Sivahop Albert
Beers Robert F.
McGill Arthur A.
Miller J. D.
Schroeder L. C.
The United States of America as represented by the Secretary of
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