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公开(公告)号:EP0968608B1
公开(公告)日:2002-09-25
申请号:EP97921757.7
申请日:1997-04-25
申请人: Canal+ Technologies
CPC分类号: G06F9/4843 , G06F11/10 , G06F11/1435 , G06Q20/04 , G06Q20/06 , G06Q20/341 , G06Q20/357 , G06Q20/40975 , G06T9/007 , G07F7/1008 , G07F17/0014 , G11C16/105 , H04B7/18526 , H04N5/4401 , H04N7/163 , H04N7/1675 , H04N7/17309 , H04N7/17318 , H04N17/004 , H04N21/2543 , H04N21/258 , H04N21/26606 , H04N21/4622 , H04N21/47805 , H04N21/4782 , H04N21/63345 , H04N21/8166