Optical fiber type colorimeter

Details Optical fiber type colorimeter Optical fiber type colorimeter

1988-09-06

1990-08-14

Evans, F. L.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

356446, G01J 342

Patent

active

049482564

ABSTRACT:
This invention relates to a optical fiber type colorimeter, and in particularly it refers to a colorimeter which uses optical fibers to transmit light to sample or reference matter. Scattered light reflected from matter surface is received by a optical fiber and then transmitted to a grating which splits light into spectrum. An A/D converter is connected to the driver circuit to communicated signal to computer for analysis of chromatic value, and determination of chrominace of sample, especially for analysis of some solid, products like textile, paper or brick. Since optical fibers are used in this invention, it enables more flexible installation of this invention. Moreover, precision of measurement is no longer affected by testing environment. The fabrication cost is lowered without the use of conventional reflective mirror.

REFERENCES:
patent: 4076421 (1978-02-01), Kishner
patent: 4669873 (1987-06-01), Wirz
patent: 4756619 (1988-07-01), Gerlinger et al.
patent: 4802763 (1989-02-01), Gerlinger et al.

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