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1.
公开(公告)号:EP1436735A4
公开(公告)日:2011-10-19
申请号:EP02789235
申请日:2002-10-18
申请人: MACROVISION CORP
CPC分类号: H04L63/0421 , G06F21/10 , G06F2221/2101 , G06F2221/2135 , G06Q20/3674 , H04L63/0428 , H04L2463/101 , H04L2463/102 , Y10S707/99931 , Y10S707/99933 , Y10S707/99942 , Y10S707/99943 , Y10S707/99945