Mirror image differential induction amplitude magnetometer

Details Mirror image differential induction amplitude magnetometer Mirror image differential induction amplitude magnetometer

1995-07-11

1997-03-04

Snow, Walter E.

Electricity: measuring and testing

Magnetic

Magnetometers

G01R 3304

Patent

active

056083203

ABSTRACT:
Provided is a magnetomoter apparatus for measuring low-level magnetic fields. The magnetometer utilizes a coil-pair wound on cores of a high permeability material. These coils are driven to magnetic saturation by an energizing circuit, and develop a uniquely shaped distortion spike in their back emf having an amplitude which is directly related to the ambient magnetic field. The resulting back emf of the coils can be compared and processed to generate a measurement of the ambient magnetic field.

REFERENCES:
patent: 5432445 (1995-07-01), Dinsmore et al.

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