B - Operations – Transporting – 41 – C
Patent
B - Operations, Transporting
41
C
B41C 1/04 (2006.01) B41M 1/10 (2006.01) B41M 3/14 (2006.01) B41N 1/06 (2006.01) B44F 3/00 (2006.01) B44F 5/00 (2006.01)
Patent
CA 2421089
The invention relates to a data carrier printed by line intaglio having a halftone image represented by irregular line structures in the manner of an engraving. The line structures are superimposed at least partly by fine structures rendered in positive and/or negative representation. The invention also includes methods for generating and processing the irregular line structures as digital image data on a computer following individual specifications by an operator. The line structures are transferred to a line intaglio printing plate, the digital image data being used for controlling an engraving apparatus, or, if other printing processes are applied, superimposed at least partly with fine structures rendered in positive and/or negative representation.
L'invention concerne un support de données imprimé en héliogravure en image demi-ton, représenté en succession de passes par structures linéaires irrégulières. Aux structures linéaires sont superposées, au moins partiellement, des structures fines qui sont reproduites en représentation positive et/ou négative. L'invention concerne en outre des procédés au moyen desquels les structures linéaires irrégulières sont produites sur ordinateur sous forme de données image numériques d'après des conditions individuelles pré-établies d'un serveur, et traitées ensuite. Les structures linéaires sont transférées sur plaque hélio, où les données image numériques servent à commander un dispositif graveur ou encore, en utilisant d'autres procédés d'impression, sont transférées au moins partiellement en structures fines qui sont reproduites en représentation positive et/ou négative.
Franz Peter
Schmidt Rudiger
Winkler Stefan
Giesecke & Devrient Gmbh
Ridout & Maybee Llp
LandOfFree
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