Electricity: measuring and testing – Magnetic – Combined
Patent
1986-06-11
1989-03-14
Eisenzopf, Reinhard J.
Electricity: measuring and testing
Magnetic
Combined
324244, 361149, G01N 2772, G01R 3302, H01F 1300, H01H 4700
Patent
active
048127590
ABSTRACT:
The invention concerns processes for immunizing nautical vessels against the disturbances that they cause to the magnetic field of the earth, consisting in supplying immunization loops of such a vessel with a set of alternating currents producing inside the volume of the vessel a homogeneous and alternating inductor field, isolating the alternating signal issuing from the alternating field at the measuring base and calculating the induced magnetization, wherein it allows to separate the induced magnetization from the permanent magnetization in the magnetic signature of a vessel while reducing the duration of measuring time required.
REFERENCES:
patent: 3215904 (1965-11-01), Bart
patent: 4292590 (1981-09-01), Wilson
"Thomson-CSF"
Eisenzopf Reinhard J.
Snow Walter E.
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