Geometrical instruments – Indicator of direction of force traversing natural media – Magnetic field responsive
Patent
1976-10-27
1979-02-20
Aegerter, Richard E.
Geometrical instruments
Indicator of direction of force traversing natural media
Magnetic field responsive
324247, 324255, G01C 1728
Patent
active
041399501
ABSTRACT:
A flux gate unit for producing an output representing the directional orientation of the unit with respect to the horizontal component of the earth's magnetic field, and in which a saturable flux gate magnetic core structure is mounted for leveling movement relative to associated flux gate coil means, in a manner enabling maintenance of the core structure substantially continuously in level condition while avoiding the necessity for leveling movement of the flux gate coils, and thereby avoiding the necessity for connection of electrical leads to a movable part.
REFERENCES:
patent: 3571700 (1971-03-01), Paine
patent: 3888201 (1975-06-01), Zuvela
Aegerter Richard E.
Green William P.
Scientific Drilling Controls
Shepperd John W.
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