Positional transducer utilizing magnetic elements having improve

Details Positional transducer utilizing magnetic elements having improve Positional transducer utilizing magnetic elements having improve

1974-11-18

1976-05-18

Kozma, Thomas J.

Inductor devices

With permanent magnet

336132, 340197, 340174PM, 340174VC, G08C 1906, H01F 2106

Patent

active

039582027

ABSTRACT:
A positional transducer is disclosed which utilizes an elongated, hollow element of a magnetically saturable material which has at least one elongated, cylindrical passageway running through it. Two, or alternately, four, sense wires are associated with the device and are interconnected so as to form a sensing circuit, such as an inductance bridge network, for example. A pair of elongated, generally rectangular-shaped magnets of opposite polarities are positioned adjacent the exterior surface of the magnetic element at diametrically opposite locations. The position of the magnets, with respect to the magnetic element, determines the amount of magnetic saturation of the tube and the output indication from the sensing circuit.

REFERENCES:
patent: 3638221 (1972-01-01), Bernin
patent: 3638222 (1972-01-01), Bernin
patent: 3698531 (1972-10-01), Bernin

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