Shaft position transducer

Details Shaft position transducer Shaft position transducer

1978-05-15

1980-03-18

Martin, Jr., William D.

Geometrical instruments

Miscellaneous

Light direction

33125C, 33166, 250231SE, G01B 318, G01D 534

Patent

active

041931998

ABSTRACT:
A shaft position transducer constructed and defined with a pair of rotary scales for measuring increments of rotation in the English or metric systems. The rotary scale movements are sensed by means of solid state light sensing packages for producing output signals in phase quadrature. The light sensing packages are mounted in the correct relationship without the need for adjustments.

REFERENCES:
patent: 2685083 (1954-07-01), Beman
patent: 2804687 (1957-09-01), Malfeld
patent: 3189890 (1965-06-01), Gilbert et al.
patent: 3482321 (1969-12-01), Inshaw
patent: 3686766 (1972-08-01), Matumoto
patent: 4096383 (1978-06-01), Mancini et al.

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