Magnetic azimuth detector

Details Magnetic azimuth detector Magnetic azimuth detector

1986-05-30

1988-08-09

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Magnetic

Magnetometers

33361, 336198, 336229, 324260, 324262, G01R 3304

Patent

active

047630728

ABSTRACT:
A magnetic sensor including an annular iron core, an annular hollow bobbin for a primary winding which incorporates therein the annular iron core, the bobbin having a plurality of protruded portions which are arranged along a circumference of the annular bobbin with an equal distance, each of the protruded portions being extended in a direction parallel to a center axis of the annular iron core, the primary winding being wound on the annular bobbin at respective portions between adjacent protruded portions with an equal number of turns, a bobbin for a secondary winding having a positioning means for the primary winding in association with the protruded portions of the bobbin for the primary winding when the bobbins for the primary and secondary windings are assembled, the secondary winding being wound on the bobbin to form more than two pairs of winding groups.

REFERENCES:
patent: 1784833 (1930-12-01), Hagemann
patent: 1897604 (1933-02-01), Clemons
patent: 3564708 (1971-02-01), Harris
patent: 3678593 (1972-07-01), Baker et al.
patent: 4649639 (1987-03-01), Mas

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