Terrestrial magnetic sensor

Details Terrestrial magnetic sensor Terrestrial magnetic sensor

1987-12-07

1990-03-13

Cuchlinski, Jr., William A.

Geometrical instruments

Indicator of direction of force traversing natural media

Magnetic field responsive

324253, 335304, G01C 1728

Patent

active

049073460

ABSTRACT:
A terrestrial magnetic sensor has a bobbin body having a magnetic core inserting groove, a silicon gel filled in the magnetic core inserting groove, a magnetic core buried in the silicon gel filled in the magnetic core inserting groove, and a bobbin cover for closing the magnetic core inserting groove of the bobbin body. Thus, this terrestrial magnetic sensor can suppress the decrease in the magnetic permeability by burying a magnetic core in a silicon gel and can be hardly affected by the influences of the variations in an environmental temperature and an external stress.

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