Method for the printed reproduction of continuous-tone polychrom

Details Method for the printed reproduction of continuous-tone polychrom Method for the printed reproduction of continuous-tone polychrom

1991-08-27

1992-03-17

Fisher, J. Reed

Printing

Multicolor

Processes

1014011, B41M 300

Patent

active

050958194

ABSTRACT:
Continuous-tone polychrome subjects (O) are reproduced by ink printing on a substrate. The reproduction is achieved by the synthesis of three chromatic components, one of which corresponds to the color of the substrate and the other two of which correspond to the colored inks used for the printing. In one variant of the method, one of the colored inks is replaced by a black ink, printed with a plate made from the achromatic component of the subject.

REFERENCES:
patent: 4554241 (1985-11-01), Edwards
"Multicolor Effects on Two-Color Presses", DuPont Magazine, Sep.-Oct. 1968, vol. 62, No. 5, E. I. Du Pont de Nemours, Wilmington, Del.
"The Ilford Manual of Process Work", 5th Ed., 1951, pp. 415-416, Ilford Ltd., 1951.
"Dictionary of Engineering by the Printers' Union", Turin Publihers, Turin 1970 with English translation thereof.
"Inks for Offset Three-or-Four-Colour Printing", British Standards Inst., British Standard 4666: 1971.
"Complementary Color Reduction CCR Theoretical Guide", Order No. 3000-S2e-8404, Dr. Ing. Rudolf Hell GmbH, Keil 14, pp. 1-20.

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