A method and system for tracking a changeable description of an article labeled by a machine-readable label (MRL) allows articles like fresh vegetables to be labeled with MRL devices. A unique code in the MRL is correlated with descriptive information about the article including, possibly, changeable...http://www.google.fr/patents/US20020139848?utm_source=gb-gplus-shareBrevet US20020139848 - Machine readable label reader system for articles with changeable status
Machine readable label reader system for articles with changeable status
Numéro de demande: 09/823,874 Numéro de publication: US 2002/0139848 A1 Date de dépôt: 31 mars 2001 Brevet délivré: US6758397 ( Date de délivrance 6 juil. 2004)