Color measurement system

Details Color measurement system Color measurement system

1989-09-11

1992-08-25

Evans, F. L.

Optics: measuring and testing

By shade or color

Trichromatic examination

356407, 356419, G01N 2125, G01J 351

Patent

active

051413230

ABSTRACT:
Color measurement system for offset printing, having a bridge for spanning an original which is to be measured and a color-measuring device movably disposed on the bridge, the color-measuring device comprising a first three-color simultaneous measuring head for densitometric measurement, and a second three-color simultaneous measuring head for colorimetric measurement.

REFERENCES:
patent: 4003660 (1977-01-01), Christie, Jr. et al.
patent: 4019819 (1977-04-01), Lodzinski
patent: 4505589 (1985-03-01), Ott et al.
patent: 4773761 (1988-09-01), Sugiyama et al.
patent: 4967379 (1990-10-01), Ott
Patent Abstracts of Japan, vol. 13, No. 271, (P-889), Jun. 22, 1989 & JP-A-01 063824, (Fuji Photo Film Co. Ltd.), Mar. 9, 1989.
DIN 5033, Parts 4 and 6, Aug. 1976; mentioned on pages 1 and 2 of Specification.

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