发明名称 CARD-LIKE OBJECT COMPRISING A DATA-HANDLING CIRCUIT
摘要 A card-like object comprises a data-handling circuit and an interface via which the data-handling circuit may communicate with a terminal. The card-like object further comprises an indicator which, when the data-handling circuit communicates with a terminal via the interface, produces a phenomenon that a user of the card-like object can perceive.
申请公布号 WO0182220(A1) 申请公布日期 2001.11.01
申请号 WO2001IB00695 申请日期 2001.04.26
申请人 SCHLUMBERGER SYSTEMES;CODEVILLE, ERIC 发明人 CODEVILLE, ERIC
分类号 G06K19/07;G06K19/077;(IPC1-7):G06K19/07 主分类号 G06K19/07
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