Optical rotary encoder having two half-parts of a lateral surfac

Details Optical rotary encoder having two half-parts of a lateral surfac Optical rotary encoder having two half-parts of a lateral surfac

1997-11-17

2000-02-29

Le, Que T.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

25023116, G01D 534

Patent

active

06031222&

ABSTRACT:
Optical encoder and pulser with remote powered components and constituted by a rotating disk having one or more light reflecting portions which are illuminated by at least one illuminating optical fiber, the light pulses caused by said reflecting portions being reflected towards at least one receiving optical fiber.

REFERENCES:
patent: 4650995 (1987-03-01), Tokunaga et al.
patent: 4806751 (1989-02-01), Abe et al.
patent: 5038031 (1991-08-01), Kurosawa et al.
patent: 5045691 (1991-09-01), Steward et al.
patent: 5073001 (1991-12-01), Sato et al.

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