Correction method and device for a magnetic field probe

Details Correction method and device for a magnetic field probe Correction method and device for a magnetic field probe

1982-05-13

1983-11-22

Little, Willis

Geometrical instruments

Indicator of direction of force traversing natural media

Magnetic field responsive

33357, G01C 1738

Patent

active

044160674

ABSTRACT:
In a correction system for a magnetic field probe, the probe is first moved in a circle for calibration such that respective maximum and minimum values of a measured magnetic field vector or a respective component thereof is determined. By means of a sum formation and halving of the respective maximum and minimum value, a respective additive correction value is derived which is added to the respective measured values during navigation with the magnetic field probe. By so doing, a noise vector superimposed on the external magnetic field is eliminated.

REFERENCES:
patent: 3683668 (1972-08-01), Baker et al.
patent: 3959889 (1976-06-01), Thomas
patent: 3991361 (1976-11-01), Mattern et al.
patent: 4031630 (1977-06-01), Fowler
patent: 4091543 (1978-05-01), Lopeyre
patent: 4124897 (1978-11-01), Martin
patent: 4327498 (1982-05-01), Setter et al.

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