Single gyro northfinder

Geometrical instruments – Indicator of direction of force traversing natural media – Gyroscopically controlled or stabilized

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Details

33324, 33337, 364434, 364559, G01C 1900, G01C 1938

Patent

active

053698894

ABSTRACT:
Disclosed is a northfinding apparatus having a single rotation rate sensor secured to a platform. The output of the rotation rate sensor is corrected for tilt and tilt rate of the platform. Measurements of the tilt and tilt rate and the rotation rate are combined to provide an azimuth angle of the platform relative to north.

REFERENCES:
patent: 3131292 (1964-04-01), Tobin
patent: 3281581 (1966-10-01), Lerman et al.
patent: 3330945 (1967-07-01), Gevas
patent: 3480766 (1969-11-01), Lerman et al.
patent: 4214482 (1980-07-01), Bouchard
patent: 4321678 (1982-03-01), Krogmann
patent: 4693114 (1987-09-01), DeCarlo et al.

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