System for measuring the color of a material

Details System for measuring the color of a material System for measuring the color of a material

1987-03-20

1987-12-29

McGraw, Vincent P.

Optics: measuring and testing

By shade or color

356429, 356243, G01N 2186, G01J 346

Patent

active

047157151

ABSTRACT:
A system is provided for measuring the color of a sample material, and the system includes means for illuminating the sample and a sensor to measure light from the sample. The system also includes sample backing means to receive light transmitted by the sample and reflect the light back to the sample.

REFERENCES:
patent: 3205355 (1965-09-01), Ehlert
patent: 3936189 (1976-02-01), DeRemigis
patent: 4033698 (1977-07-01), Demsky et al.
patent: 4095105 (1978-06-01), Rosenthal
patent: 4243319 (1981-01-01), Lodzinski
patent: 4319847 (1982-03-01), Howarth

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