Flux valve compass system

Details Flux valve compass system Flux valve compass system

1979-08-10

1981-04-21

Martin, Jr., William D.

Geometrical instruments

Indicator of direction of force traversing natural media

Magnetic field responsive

33356, 324260, G01C 1732

Patent

active

042624274

ABSTRACT:
An improved earth's magnetic field sensing compass utilizes a flat, toroidal flux valve in which pickoffs sense mutually perpendicular components of the magnetic field and the fields are nulled by the closed loop feed back of nulling currents into respective pairs of the sensor pickoffs.

REFERENCES:
patent: 3601899 (1971-08-01), Artz

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