发明名称 PORTABLE DATA CARRIER FOR DECODING CRYPTOGRAPHICALLY SECURED DIGITAL DATA
摘要 The invention relates to a portable data carrier (1) for decoding cryptographically secured digital data representing a digitalisation of an analog signal. The inventive portable data carrier (1) is characterised in that it is provided with a decoding function (2) for decoding the cryptographically secured digital data, and has a digital-analog converter (3) for converting the decoded digital data into the corresponding analog signal.
申请公布号 WO2005002132(A3) 申请公布日期 2005.05.26
申请号 WO2004EP06994 申请日期 2004.06.28
申请人 GIESECKE & DEVRIENT GMBH;WALLHAEUSSER, CURD 发明人 WALLHAEUSSER, CURD
分类号 G07F7/10;G11B20/00;H04N5/00;H04N7/16 主分类号 G07F7/10
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