Optoelectronic spectral analysis system

Details Optoelectronic spectral analysis system Optoelectronic spectral analysis system

1996-08-15

1998-11-17

Nelms, David C.

Optics: measuring and testing

By shade or color

Trichromatic examination

356407, 356402, G01N 2125

Patent

active

058384510

ABSTRACT:
Improved apparatus for low cost measurement of spectral intensity distribution of light energy reflected from surfaces of or transmitted through objects or materials, using solid state emitters and detectors. The measurement results remain consistent in spite of variations in component characteristics or temperature.

REFERENCES:
patent: 3994590 (1976-11-01), Di Martini et al.
patent: 4699510 (1987-10-01), Alguard
patent: 4986665 (1991-01-01), Yamanishi et al.
patent: 5137364 (1992-08-01), McCarthy
patent: 5175697 (1992-12-01), Kawagoe et al.
patent: 5229814 (1993-07-01), Taranowski et al.

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