A system and method including a trading card and a recording and/or reproducing apparatus recording and/or reproducing subject-related data to/from the trading card, wherein the subject-related data comprises picture information characterizing a subject or reminding a user of the subject. The recording...http://www.google.fr/patents/US20020015027?utm_source=gb-gplus-shareBrevet US20020015027 - Chip embedded trading card, recording and/or reproducing apparatus therefor, and message building method
Numéro de demande: 09/867,697 Numéro de publication: US 2002/0015027 A1 Date de dépôt: 31 mai 2001 Brevet délivré: US6981646 ( Date de délivrance 3 janv. 2006)
