Automatic magnetic compass correction

Details Automatic magnetic compass correction Automatic magnetic compass correction

1976-06-17

1978-05-30

Haroian, Harry N.

Geometrical instruments

Indicator of direction of force traversing natural media

Magnetic field responsive

G01C 1738

Patent

active

040915433

ABSTRACT:
Method and apparatus for providing automatic correction of deviation errors in a magnetic compass. Data representing deviation corrections for respective compass headings are stored in memory and in response to a digital signal from the magnetic compass representing an indicated heading, the corresponding correction is provided from memory to yield a output signal representing actual heading and corrected for deviation error.

REFERENCES:
patent: 3071959 (1963-01-01), Depp
patent: 3311821 (1967-03-01), Brunel
patent: 3634946 (1972-01-01), Star
patent: 3746842 (1973-07-01), Fowler

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