Method for correction of variations in the amount of ink...

Details Method for correction of variations in the amount of ink... Method for correction of variations in the amount of ink...

2004-01-15

2008-11-04

Culler, Jill E. (Department: 2854)

Printing

Processes

Condition responsive

C101S365000, C101SDIG045, C400S120020, C347S174000

Reexamination Certificate

active

07444935

ABSTRACT:
A process for adjusting the print image of a rotating machine equipped with transfer rollers and actuators assigned to them includes changing the position of the rollers. During the printing operation, at least one camera records the intensity of light reflected from the printed material. The camera also feeds the recorded measured values to a control and regulation unit that compares the recorded measured values with set values, and generates corrective signals for the actuator of at least one part of the rollers involved in the printing process. Based on the corrective signals, the actuator of the relative position of the roller assigned to it is actuated until the measured values once again lie within a tolerance range.

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patent: 1 249 346 (2002-10-01), None
patent: WO 03/066332 (2003-08-01), None

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