The present invention provides a method and system for watermarking a file which is in a PDL such as PostScript. The present invention can be used to either watermark a PDL file and then generate a watermarked PDL file or the present invention can be part of the Interpreter in a printer which takes a...http://www.google.fr/patents/US20030142361?utm_source=gb-gplus-shareBrevet US20030142361 - Watermarking a page description language file
Numéro de demande: 10/066,116 Numéro de publication: US 2003/0142361 A1 Date de dépôt: 30 janv. 2002 Brevet délivré: US6899475 ( Date de délivrance 31 mai 2005)
