Variable reluctance position transducer

Details Variable reluctance position transducer Variable reluctance position transducer

1982-02-17

1984-08-14

Groody, James J.

Communications: electrical

Continuously variable indicating

With particular transmitter

324174, 324208, 340672, G08G 1906, G08G 1912, G01B 714

Patent

active

044660022

ABSTRACT:
A transducer includes a winding in a magnetic circuit including a magnet, a pole-piece and a disc which has pairs of protuberances in its periphery, each pair being connected by a web of lesser radial distance from the disc axis than the peaks of the protuberances. The winding is connected in a discriminating circuit including an integrator which integrates the winding output, and a zero crossing detector. An output circuit receives signals from the integrator and the zero crossing detector and produces an output signal for the whole period during which the web between two protuberances is passing the pole piece.

REFERENCES:
patent: 3832635 (1974-08-01), Cass
patent: 3930201 (1975-12-01), Ackermann et al.
patent: 4013945 (1977-03-01), Grosso
patent: 4039946 (1977-08-01), Nola
patent: 4072893 (1978-02-01), Huwyler
patent: 4262251 (1981-04-01), Fujishiro et al.
patent: 4305072 (1981-12-01), Makita

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