Magnetostatic wave magnetometer

Electricity: measuring and testing – Magnetic – Magnetometers

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324249, 324250, 331 65, 331107A, G01R 3302, H03B 2100

Patent

active

043419984

ABSTRACT:
A unidirectional magnetometer comprising at least two magnetostatic wave oscillators with resonators or delay lines, made in two portions in a magnetic material layer respectively subject to the field to be measured and to given magnetic fields of the same direction, but of opposite sense and adjacent intensities.

REFERENCES:
patent: 2972105 (1961-02-01), Ghose
patent: 3878477 (1975-04-01), Dias et al.
patent: 3895912 (1975-07-01), Naumann
patent: 4028639 (1977-06-01), Hagon et al.
patent: 4107626 (1978-08-01), Kiewit
Miller et al., Tunable Magnetostatic Surface-Wave Oscillator, Electronic Letters, Apr. 29, 1976, vol. 12, No. 9, pp. 209, 210.
Thomsen-CSF, Surface-Acoustic Wave-Oscillator Tuned by Magneto-Elastic Effect, Electr. Letter, vol. 13, No. 19, Sep. 15, 1977, pp. 588-590.

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