Electricity: measuring and testing – Particle precession resonance – Using a magnetometer
Patent
1983-03-11
1986-07-15
Tokar, Michael J.
Electricity: measuring and testing
Particle precession resonance
Using a magnetometer
324304, G01R 3308
Patent
active
046008861
ABSTRACT:
A system for measuring the earth's magnetic field includes a magnetometer and apparatus for maintaining a predetermined magnetometer tilt in the magnetic meridional plane regardless of changes in vehicle heading. The magnetometer is of the type whose optimum measurement sensitivity is defined by a cone of predetermined angle that is symmetric about its optical axis. It is engaged to a planar platform by gimbal apparatus forming orthogonal axes of rotation that cooperates with a rotatable hemispherical strip to allow the magnetometer to be continuously repointed during changes in the heading of a carrier vehicle so that it is maintained in the magnetic meridional plane at a predetermined tilt angle.
REFERENCES:
patent: 2335286 (1943-11-01), Klemperer
patent: 2468554 (1949-04-01), Hull
patent: 2555209 (1951-05-01), Vacquier
patent: 3701005 (1972-10-01), Hartline
patent: 3765687 (1971-09-01), Weiss
Kramsky Elliott N.
Litton Industries Inc.
Raevis R.
Tokar Michael J.
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