发明名称 DATA RETENTION OF INTEGRATED CIRCUIT ON RECORD CARRIER
摘要 The invention relates to a record carrier (1) comprising an information area (2) for storing information, and an integrated circuit (3) comprising a storage unit (4) for storing additional information AK and Rights. The integrated circuit further comprises a one-time programmable memory (5) comprising a resurrection key RK, the one-time programmable memory having a substantially larger data retention time than the storage unit. If the additional information present in the storage unit is lost or has degenerated, it is possible to restore this information by using the resurrection key present in the one-time programmable memory.
申请公布号 WO2004006248(A1) 申请公布日期 2004.01.15
申请号 WO2003IB02834 申请日期 2003.06.13
申请人 KONINKLIJKE PHILIPS ELECTRONICS N.V.;KAHLMAN, JOSEPHUS, A., H., M.;SCHEP, CORNELIS, M.;AKKERMANS, ANTONIUS, H., M. 发明人 KAHLMAN, JOSEPHUS, A., H., M.;SCHEP, CORNELIS, M.;AKKERMANS, ANTONIUS, H., M.
分类号 G06F21/24;G06K17/00;G06K19/07;G06K19/073;G11B7/007;G11B7/24;G11B20/00;G11B20/10 主分类号 G06F21/24
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