Protective circuit for compass repeater amplifier systems

Details Protective circuit for compass repeater amplifier systems Protective circuit for compass repeater amplifier systems

1977-08-29

1979-04-24

Caldwell, Sr., John W.

Communications: electrical

Condition responsive indicating system

With particular system function

33321, 73178R, 340651, 340664, 318563, G08B 2300

Patent

active

041515196

ABSTRACT:
Gyrocompass heading step-by-step repeater amplifier channels are provided with protection from damage by accidental short-circuits occurring in one or more compass step-by-step data repeaters or in the cables extending to such repeaters. Total shut-down of the affected channel or channels is effected by fast-acting thyristor pulse control circuits and the channels are automatically reset when the fault is removed. A cooperative latching short-circuit alarm is provided.

REFERENCES:
patent: 2459239 (1949-01-01), Payne
patent: 2943303 (1960-06-01), Barber
patent: 3024451 (1962-03-01), Potter
patent: 3401549 (1968-09-01), Miller
patent: 3403874 (1968-10-01), Boskovich et al.
patent: 3482231 (1969-12-01), Florek et al.
patent: 3492735 (1970-02-01), Burdick et al.
patent: 3509765 (1970-05-01), Stevenson, Jr. et al.
patent: 3764855 (1973-10-01), Beachley
patent: 3813667 (1974-05-01), Smith
patent: 4053876 (1977-10-01), Taylor

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