Device for the correction of an error in the electric transmissi

Details Device for the correction of an error in the electric transmissi Device for the correction of an error in the electric transmissi

1980-08-22

1983-11-15

Martin, Jr., William D.

Geometrical instruments

Indicator of direction of force traversing natural media

Gyroscopically controlled or stabilized

33317R, 33356, G01C 1938

Patent

active

044147520

ABSTRACT:
To correct latitude-related errors in the delivery of data from a gyrocompass to an indicator through a synchro transmitter with three-phase Y-connected primary and secondary windings, the synchro transmitter is energized from a single-phase a-c source having one terminal connected to one primary winding and the other terminal connected to the two other primary windings with interposition of a variable resistance in series with one of the two latter windings. These two windings may be interchanged to correct errors of opposite sign.

REFERENCES:
patent: 2959866 (1960-11-01), Seaman
patent: 3071959 (1963-01-01), Depp
patent: 3253342 (1966-05-01), Depp
patent: 3621584 (1971-11-01), Burt
patent: 4006631 (1977-02-01), Garner
patent: 4116057 (1978-09-01), Sullivan

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