A document is printed with graphical symbols which encode information but are not human readable; the graphical symbols are formed into some or all of visible element printed on the document. The outline of this element is used for synchronising an automated process for scanning the document to extract...http://www.google.fr/patents/US20040060990?utm_source=gb-gplus-shareBrevet US20040060990 - Document printed with graphical symbols which encode information
Document printed with graphical symbols which encode information
Numéro de demande: 10/467,428 Numéro de publication: US 2004/0060990 A1 Date de dépôt: 5 août 2003 Brevet délivré: US6871789 ( Date de délivrance 29 mars 2005)
