Colorimeter

Details Colorimeter Colorimeter

1989-03-13

1992-12-01

McGraw, Vincent P.

Optics: measuring and testing

For optical fiber or waveguide inspection

356402, 356404, 356419, 356446, G01J 351, G01N 2127, G01N 2147

Patent

active

051683202

ABSTRACT:
A colorimeter for measuring transmitted, reflected, emitted and incident light comprises a pod that is demountably attached to a base and that contains a color-responsive detector and associated processing electronics. The detector mates with one of several detachable heads that are selectable to establish precise measuring conditions for the various measurements to be made. The colorimeter enables common and consistent calibration across all elements of the pre-press industry, from checking color proofs or color transparencies, to calibrating video color monitors.

REFERENCES:
patent: 2427795 (1947-09-01), Lessler
patent: 2427922 (1947-09-01), Raymond
patent: 3367230 (1968-02-01), Williams
patent: 3473878 (1969-10-01), Schweitzer
patent: 3697179 (1972-10-01), Pfaffenberger et al.
patent: 3846027 (1974-11-01), Hyman et al.
patent: 4053235 (1977-10-01), Hampton et al.
patent: 4632558 (1986-12-01), Maassen et al.

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