Spinning-disk shaft position encoder

Details Spinning-disk shaft position encoder Spinning-disk shaft position encoder

1974-07-22

1976-01-27

Miller, Charles D.

Communications: electrical

Audible indication

Percussion-type sound producer

235 616A, G08C 904

Patent

active

039355705

ABSTRACT:
An analog-to-digital converter is disclosed which reads the positions of one or more coaxial shafts in terms of time intervals which occur between an interception of a beam of light and the end of a sequence of pulses coming from a spinning magnetized disk. These intervals are measured by pulse counters. If two shafts are being encoded, each disk revolution establishes positional communication with one light beam and two magnetic reading heads.

REFERENCES:
patent: 3038152 (1962-06-01), Seiffert
patent: 3098152 (1963-07-01), VonMathes
patent: 3349325 (1967-10-01), Bajars
patent: 3461307 (1969-08-01), Rusling et al.

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