G - Physics – 01 – C
Patent
G - Physics
01
C
33/97
G01C 17/38 (2006.01)
Patent
CA 1270635
A B S T R A C A method and apparatus for providing a magnetic compass, and system to accurately calibrate the compass with a rotation of the vessel on which the compass is mounted through a single rotation of 360 degrees. The compass comprises gimballed field sensing elements, and processor to provide a signal which is corrected for compass offsets, for permanent magnetic field anomalies and for induced magnetic field anomalies.
522394
Fowler John T.
Gilbert Douglas C.
Input/output Inc.
Ridout & Maybee Llp
LandOfFree
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