Equipment for the emission and distribution of light by optical

Details Equipment for the emission and distribution of light by optical Equipment for the emission and distribution of light by optical

1985-09-03

1989-04-11

Evans, F. L.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrophotometer

G01J 342

Patent

active

048200450

ABSTRACT:
Equipment for the emission and distribution of light by optical fibres, particularly for in-line spectrophotometric control with the aid of a double beam spectrophotometer, namely one channel for the reference and one channel for the measurement. It has at least one complementary light source emitting through a system of optical fibres permanently towards a reference cell and sequentially towards one of the n measuring cells corresponding to the controls to be performed, the light information from the reference cell on the one hand and sequentially from each of the n measuring cells on the other being passed by the system of optical fibres respectively to the reference channel and to the measuring channel of the spectrophotometer.

REFERENCES:
patent: 3697185 (1972-10-01), Kassel et al.
patent: 4509212 (1985-04-01), Baker
patent: 4669878 (1987-06-01), Meier
Patents Abstracts of Japan, vol. 6, No. 70, (P--113), [948], 6 May 1982.
JP-A-57 302, (Sharp K.K.), 21-01-1982.
Patents Abstracts of Japan, vol. 4, No. 134, (P28), [616], 19 Sep. 1980.
JP-A-55 84 903, (Fujitsu K.K.), 26-06-1980.
Patents Abstracts of Japan, vol. 8, No. 55, (P-260), [1492], 13 Mar. 1984.
JP-A-58 204 343, (Tokyo Shibaura Denki K.K.), 29-11-1983.

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