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发明名称
PROCEDE D'INSERTION D'UNE MARQUE SECRETE ET D'AUTHENTIFICATION D'UN SIGNAL NUMERIQUE
摘要
申请公布号
FR2787604(B1)
申请公布日期
2001.08.31
申请号
FR19990013826
申请日期
1999.11.04
申请人
CANON KABUSHIKI KAISHA
发明人
DONESCU IONA
分类号
G09C5/00;G06F12/14;G06F21/24;G06T1/00;H04N1/32;H04N1/387;H04N7/26;(IPC1-7):G06F17/10;H04N7/08
主分类号
G09C5/00
代理机构
代理人
主权项
地址
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