Apparatus for remotely determining the angular orientation, spee

Details Apparatus for remotely determining the angular orientation, spee Apparatus for remotely determining the angular orientation, spee

1977-01-03

1979-08-21

Caldwell, Sr., John W.

Communications: electrical

Systems

Call station

340180, 340310R, G08C 1910

Patent

active

041655052

ABSTRACT:
A rotating electric field is generated in the vicinity of a rotating member, the electric field having an axis of rotation coinciding with the axis of rotation of the member. An electric-field sensing or reading device is positioned at the rotational axis of the electric field and associated therewith for detecting variations therein as the electric field passes the rotating member, and creates an electrical output whose relative phase is dependent upon the angular orientation of the rotating member.

REFERENCES:
patent: 3068456 (1962-12-01), Nevius
patent: 3222591 (1965-12-01), Mynall
patent: 3303701 (1967-02-01), Matsuura et al.
patent: 3500365 (1970-03-01), Cain
patent: 3961318 (1976-06-01), Farrand et al.
patent: 4007454 (1977-02-01), Cain et al.

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