Device for compensating for deviations in register in printed pr

Details Device for compensating for deviations in register in printed pr Device for compensating for deviations in register in printed pr

1994-10-17

1996-03-19

Envall, Jr., Roy N.

Boots, shoes, and leggings

364471, 101486, 101DIG36, B41F 506

Patent

active

055008011

ABSTRACT:
Device for compensating for deviations in register in a printed product produced in a sheet-fed rotary printing press having a plurality of printing units includes at least one opto-electrical sensor device for detecting measured values from at least two image regions of a printed product; a computer/control device connected to the sensor device for receiving therefrom data regarding the measured values, for ascertaining from the data deviations in register between color separations caused by shrunken and/or swollen printing transferred to the printed product in the respective printing units, and for determining corresponding compensating adjustment data; and adjusting devices connected to the computer/control device for compensating for the deviations in register between the color separations in accordance with the determined adjustment data of the computation/control device; and method of compensating.

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