Angular displacement sensor

Details Angular displacement sensor Angular displacement sensor

1985-03-14

1988-06-21

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Magnetic

Displacement

324236, G01B 714

Patent

active

047527323

ABSTRACT:
A rotational displacement sensor includes a pair of coils stationarily mounted adjacent a rotatable cam formed of a metallic material. The coils are energized by high frequency alternating current. A differential amplifier is connected to the coils such that the output of the amplifier is linearly proportional to the rotational angular displacement of the cam relative to the coils.

REFERENCES:
patent: 2957127 (1960-10-01), Wright
patent: 4059015 (1979-11-01), Satori
patent: 4164706 (1979-08-01), Akita et al.
patent: 4401946 (1983-08-01), Klimstra
patent: 4604575 (1986-08-01), Shimizu et al.

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