Rotary encoder assembly and installation fixture

Details Rotary encoder assembly and installation fixture Rotary encoder assembly and installation fixture

1983-05-12

1985-12-03

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250237G, G01D 534

Patent

active

045567921

ABSTRACT:
This invention relates to a rotary encoder for use in measuring the number of revolutions per minute or measuring the angular phase of a rotary shaft of a rotary machine. The encoder is provided with a fixed slit disc having slits therein, and a rotary slit disc disposed so as to be spaced from the fixed slit disc at a predetermined distance, having a plurality of slits arranged radially at regular angular intervals, and adapted to be rotated with the rotary shaft. The encoder is shipped to a user after the rotary slit disc has been fastened to the fixed slit disc on the part of the manufacturer.

REFERENCES:
patent: 4266125 (1981-05-01), Epstein et al.
patent: 4317032 (1982-02-01), Hanus et al.
patent: 4343992 (1982-08-01), Blaser
patent: 4345149 (1982-08-01), Blaser

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