Graduation carrier of plastics material with a graduation struct

Details Graduation carrier of plastics material with a graduation struct Graduation carrier of plastics material with a graduation struct

1990-10-12

1992-06-30

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

25023114, H01J 3150

Patent

active

051265605

ABSTRACT:
A graduation carrier of plastics material with a graduation structure, particularly for a photoelectric position measuring device. The graduation structure is a specially prefabricated lamina which is integrated with the graduation carrier with positive engagement. The free surface of the graduation structure and the free surface of the graduation carrier are located in a plane.

REFERENCES:
patent: 4297573 (1981-10-01), Becchi et al.
patent: 4673808 (1987-06-01), Katohno et al.
patent: 4686362 (1987-08-01), Merlo
patent: 4740691 (1988-04-01), Ushiyama
patent: 4780610 (1988-10-01), Abe
patent: 4806751 (1989-02-01), Abe et al.
patent: 4942295 (1990-07-01), Brunner et al.

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