Torsion type magnetic field measurement device

Details Torsion type magnetic field measurement device Torsion type magnetic field measurement device

1984-03-06

1987-07-14

Karlsen, Ernest F.

Electricity: measuring and testing

Magnetic

Magnetometers

G01R 3302

Patent

active

046805443

ABSTRACT:
A device sensitive to a magnetic field (B) comprising a flap attached to a support by torsion hinges and a conductor. The conductor carries a current I and thus generates under the effect of a magnetic field a force which tends to cause the flap to turn about its hinge axis. The measurement of this rotation or of the compensation required to nullify the effect of the magnetic field (B) constitutes a measure of this magnetic field. Embodiments are disclosed having multi-turn conductors or ferromagnetic coatings instead of conductors on the flaps.

REFERENCES:
patent: 4483194 (1984-11-01), Rudolf

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