Light distribution system for optical encoders

Details Light distribution system for optical encoders Light distribution system for optical encoders

1980-08-28

1982-08-03

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250231SE, G02B 514

Patent

active

043429084

ABSTRACT:
A light distribution system for optical encoders includes a light guide plate and a light input coupler for distributing input incident radiations into the light guide plate as a flat distributed beam of beam segments intercepted by a pattern of discrete light output couplers reflecting narrow output beams for providing a uniform pattern of encoding illuminations.

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