Quality data collection in rotary offset printing of single edit

Printed matter – Having revealable concealed information – fraud preventer or... – Having specific color

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283 93, B42D 1500

Patent

active

057304700

ABSTRACT:
A group of measured fields (as well as a process for providing them and using them) is provided for determining color data of a printed product, especially for collecting quality data in the rotary offset printing of single editions, with a plurality of measured fields, which are printed on a printed product to be checked or on a primary print in such a way that they can be optically scanned, the group of measured fields includes a superprinted, at their nominal degrees of surface coverage (F.sub.c1, F.sub.m1, F.sub.y1), first combination measured field (1), including the fundamental colors, especially the three colors cyan, magenta and yellow, and printed additional single-color half-tone fields, in the fundamental colors, wherein the single-color half-tone fields have, in their corresponding fundamental color, a degree of surface coverage F.sub.c1, F.sub.m1, F.sub.y1 that corresponds to that of the same color in the first combination measured field (1).

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Von Ing. Wolfgang Walenski 1995 Testformen und Druckkontrollstreife n Offsetpraxis Druckmamgazin, Dokumentation.
Dr. Michael Has Nov. 1993 Farbe total ProfiPublisher.

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