发明名称 |
TIME STAMPING AND TIME STAMP VALIDITY VERIFICATION SYSTEM, METHOD AND DEVICE IN A DIGITAL BROADCASTING ENVIRONMENT |
摘要 |
The invention relates in particular to a process for timestamping digital data comprising: an operation (902) of defining a sequence (CS) of services comprising at least one service (TSS), each service being chosen within a list of services (TSS) according to a method of choice giving a variable result for each occurrence of the operations (902) of defining a sequence of services; and an operation (807) of collecting a sequence of timestamp information elements, according to which at least one information element (TSI(CS[i])) is extracted from each service (CS[i]) of the sequence of services (CS) to form the elements of the sequence of information elements, each information element comprising an information item representative of a current timestamp. |
申请公布号 |
EP1300017(A1) |
申请公布日期 |
2003.04.09 |
申请号 |
EP20010954094 |
申请日期 |
2001.07.12 |
申请人 |
THOMSON LICENSING S.A. |
发明人 |
DIEHL, ERIC;LETELLIER, PHILIPPE |
分类号 |
H04N7/08;H04L9/32;H04N7/081;H04N7/173;H04N21/8547;(IPC1-7):H04N7/173 |
主分类号 |
H04N7/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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