B - Operations – Transporting – 41 – F
Patent
B - Operations, Transporting
41
F
101/101, 342/21
B41F 33/16 (2006.01) B41F 33/00 (2006.01)
Patent
CA 2012050
- 21 - ABSTRACT In the control of inking in accordance with colorimetric or densitometric quantities, technical process-related influences must not be ignored during printing if it is intended to achieve optimum adaptation to the printing process and to the colour perception of the human eye. For single- and multi-colour control, therefore, processes are proposed that, in consideration of interdependent parameters - maximum allowable tonal- value increase(s) and maximum allowable layer thickness(es) -, make for a setpoint locus (Set1), said setpoint locus (Set1) being both within the tolerable tonal-value increase(s) (ZSet ? ZTol or ZSeti ? ZToli) and also within the colour tolerance (ETol) or density tolerance (DVTol) or within the tolerance space (TolR). If the setpoint locus (Set1) fails to comply simultaneously with these two independent parameters, the tolerance range of the tonal-value increase(s) is extended and a setpoint locus (Set2 or Opt) is then checked as to whether it now simultaneously satisfies both parameters.
Heidelberger Druckmaschinen Aktiengesellschaft
Johnson Douglas S. Q.c.
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