Angle-position transducer

Details Angle-position transducer Angle-position transducer

1981-12-14

1983-10-18

Krawczewicz, Stanley T.

Electricity: measuring and testing

Conductor identification or location

Inaccessible

34087037, 318662, G01R 2726, G05B 106

Patent

active

044108524

ABSTRACT:
Angle-position is determined by relative angular rotation between a capacitive track and a capacitive pick-up probe. The capacitive track is disposed along the region of angular interest. The pick-up probe is oriented broadside to the capacitive track and closely spaced therefrom thus establishing a measurable capacity thereacross. As the capacitive track moves angularly relatively to the pick-up probe, a geometric asymmetry is produced therebetween causing the capacity that exists thereacross to change unambiguously and in a manner that exhibits analog correspondence with relative angular rotation.

REFERENCES:
patent: 2473401 (1949-06-01), Wild
patent: 3080513 (1963-03-01), Edwards
patent: 3340536 (1967-09-01), Sauber
patent: 3860918 (1975-01-01), Cencel
patent: 4177421 (1979-12-01), Thornburg
patent: 42338781 (1980-12-01), Vercellotti
Hardway: "Position Sensor . . . Accuracy and Reliability" Electronics-Aug. 16, 1971-p. 86.
Hoernes: "Scale for a Positioning Table" IBM Bulletin-vol. 7-No. 10--Mar. 1965-p. 913.
Foldvari: "Capacitive Transducers"--Instruments and Control Systems--Nov. 1964--p. 77.

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