Electricity: measuring and testing – Magnetic – Magnetometers
Patent
1988-03-03
1989-12-12
Eisenzopf, Reinhard J.
Electricity: measuring and testing
Magnetic
Magnetometers
33361, G01R 3304, G01C 1728
Patent
active
048870331
ABSTRACT:
A fluxgate magnetometer includes a body of magnetic material, a drive coil and a sensing coil. At least one of the drive coil and the sensing coil is composed of two portions, each of the two portions being disposed in generally parallel planes which are spaced apart and respectively include an electrically insulating substrate and a spiral shaped portion which is electrically conductive supported by the electrically insulating substrate, the two portions being electrically connected such that electric current flows in the respective spiral shaped portions in opposite rotational senses relative to the body of magnetic material.
REFERENCES:
patent: 3185947 (1965-05-01), Freymodsson
patent: 3626729 (1971-12-01), Walden
patent: 4255711 (1981-03-01), Thompson
patent: 4668100 (1987-05-01), Murakami et al.
Langdon Roger M.
Smith Cyril
Eisenzopf Reinhard J.
General Motors Corporation
Plant Lawrence B.
Snow Walter E.
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