Incremental rotary transmitter

Details Incremental rotary transmitter Incremental rotary transmitter

1980-05-02

1982-04-20

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250237G, H01J 314

Patent

active

043261280

ABSTRACT:
An incremental rotary transmitter is proposed for mounting upon the free end of a shaft. The transmitter comprises a pulse disc rigidly secured to the shaft and a relatively stationary scanning disc freely mounted on the same shaft. The scanning disc is thus subject to the same flexing oscillations or errors in true running of the shaft as the pulse disc, so that measurement errors due to eccentric movements of the pulse disc are substantially reduced.

REFERENCES:
patent: 3995156 (1976-11-01), Angersbach et al.

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