Method and apparatus for measuring the position of a magnetic ro

Details Method and apparatus for measuring the position of a magnetic ro Method and apparatus for measuring the position of a magnetic ro

1976-07-30

1978-02-14

Tokar, M.

Electricity: measuring and testing

Magnetic

Displacement

324 59, 176 22, G01R 3300

Patent

active

040741850

ABSTRACT:
A method and an apparatus for measuring the position of a magnetic rod moving along the longitudinal axis of an induction coil. The induction coil is fed by means of a constant current AC supply and the resulting voltage appearing across the terminals of the induction coil is measured. Then, the reactive component value of that voltage is determined which is representative of the position occupied by the magnetic rod in the coil.

REFERENCES:
patent: 3030574 (1962-04-01), Nissenson
patent: 3147574 (1964-09-01), Pointe et al.
patent: 3852661 (1974-12-01), Szabo
patent: 3857089 (1974-12-01), Adler

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