Attitude indicator comparator warning system

Details Attitude indicator comparator warning system Attitude indicator comparator warning system

1978-06-15

1980-03-11

Caldwell, Sr., John W.

Communications: electrical

Selective

Having indication or alarm

33328, 340 27R, 340181, 340198, 340315, 340681, 318654, G08B 2100, G08C 1946

Patent

active

041930592

ABSTRACT:
The indications of attitude indicators at two different indicating locations that are indicating the same parameter but actuated from different sources, are monitored for the same indication by electrically interconnecting two transolvers that are mechanically coupled to the respective attitude indicator at each location. A monitor, at one indicating location, furnishes the excitation for the transolver at the other location and by the magnitudes of the sine and cosine outputs of the local transolver furnishes flag indication of any system defects of either indicator at each location.

REFERENCES:
patent: 2428402 (1947-10-01), Winterbottom
patent: 2432772 (1947-12-01), Lear
patent: 2596698 (1952-05-01), Laing et al.
patent: 2794975 (1957-06-01), Sedgfield et al.
patent: 2810119 (1957-10-01), Brown
patent: 2950460 (1960-08-01), Seifried et al.
patent: 3094691 (1963-06-01), Treffeisen
patent: 3534349 (1970-10-01), Mallinson
patent: 3537086 (1970-10-01), Andresen

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