Apparatus for detecting quantities of rotary member

Details Apparatus for detecting quantities of rotary member Apparatus for detecting quantities of rotary member

1982-09-15

1986-09-09

Caldwell, Sr., John W.

Communications: electrical

Continuously variable indicating

Plural transmitters

34087007, 34087018, G08C 1904

Patent

active

046112065

ABSTRACT:
This invention relates to apparatus for detecting quantities of a rotary member, such as a field system, characterized in that channel identification signals and measurement data after analog-to-digital conversion are combined and then changed into a serial pulse signal by a serializer, that the serial pulse signal is modulated by amplitude modulation and then transmitted to a stationary side, and that on the stationary side, the serial pulse signal is demodulated into a plurality of original analog quantities, which are then indicated, whereby the plurality of quantities of the field system are transmitted by a single transmission system.

REFERENCES:
patent: 3030614 (1962-04-01), Lehan
patent: 3303410 (1964-02-01), Hoover et al.
patent: 3467889 (1969-09-01), Brough-Cunningham
patent: 3824857 (1974-07-01), Smith
patent: 3826868 (1974-07-01), Nugent
patent: 3976981 (1976-08-01), Bowden
patent: 4008458 (1977-02-01), Wensley
patent: 4194180 (1980-03-01), Noren
patent: 4328494 (1982-05-01), Goodall
patent: 4408204 (1983-10-01), Salvesen
patent: 4504831 (1985-03-01), Jahr

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