Positional transducer utilizing magnetic elements

Details Positional transducer utilizing magnetic elements Positional transducer utilizing magnetic elements

1975-09-15

1976-05-18

Habecker, Thomas B.

Inductor devices

With permanent magnet

340197, 336132, 340174PM, 340174VC, H01F 2100, G08C 1906

Patent

active

039582035

ABSTRACT:
A positional transducer is disclosed which utilizes an elongated, hollow, cylindrical tube of a magnetically saturable material, a sense wire that runs through the tube parallel to its elongated axis and a pair of elongated, generally rectangular shaped magnets of opposite polarity which have a length that is no greater than the length of the tube and which are closely positioned adjacent diametrically opposite exterior portions of the tube. As the magnets move over in the tube, they provide substantially complete saturation of the tube in the portion over which they extend while the remaining portion of the tube remains unsaturated thereby giving a linear indication of the position of the magnets with respect to the tube.

REFERENCES:
patent: 3305770 (1967-02-01), Hulls

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