Defective print detecting device

Details Defective print detecting device Defective print detecting device

1990-01-26

1991-07-23

Fisher, J. Reed

Printing

Intaglio

Multicolor

101DIG45, B41F 902, B41F 904

Patent

active

050333780

ABSTRACT:
A defect print detecting device having photographing means for photographing as an image the surface of a printing plate having a pattern to print and mounted on a plate cylinder, which compares reference image data acquired at the beginning of printing using the photographing means with checking image data acquired during printing, thereby determining the quality of the printed matter.

REFERENCES:
patent: 4553478 (1985-11-01), Greiner et al.
patent: 4677680 (1987-06-01), Harima

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