发明名称 Access authorization method for pay-television receiver
摘要 The access authorization method involves using access authorization data transmitted to a pay-television receiver (2) from a transmitter (4) and transferred to a chip card (5) upon its insertion in the pay-television receiver. An Independent claim is included for a television program decoder device employing an access authorization method.
申请公布号 DE19745969(A1) 申请公布日期 1999.04.22
申请号 DE19971045969 申请日期 1997.10.17
申请人 DEUTSCHE TELEKOM AG, 53113 BONN, DE 发明人 SCHWENK, JOERG, DR.RER.NAT., 64807 DIEBURG, DE;HEUSER, STEPHAN, DIPL.-ING., 64289 DARMSTADT, DE;SCHAAF, CHRISTOPH, DIPL.-ING., 64291 DARMSTADT, DE;FINGERHOLZ, JOACHIM, DIPL.-ING., 64295 DARMSTADT, DE
分类号 H04B1/04;H04B1/16;H04B7/26;H04N7/16;(IPC1-7):H04N7/16 主分类号 H04B1/04
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