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发明名称
A METHOD AND DEVICE FOR EMBEDDING DIGITAL WATERMARK INTO A TEXT DOCUMENT AND DETECTING IT
摘要
申请公布号
EP1956823(A4)
申请公布日期
2008.11.12
申请号
EP20060741765
申请日期
2006.04.29
申请人
BEIJING FOUNDER ELECTRONICS CO., LTD.;PEKING UNIVERSITY;PEKING UNIVERSITY FOUNDER GROUP CO., LTD
发明人
YANG, BIN;SHI, WENZHE;QI, WENFA;CHENG, SHENGYUAN;WANG, LIDONG
分类号
H04N1/32;H04N1/387
主分类号
H04N1/32
代理机构
代理人
主权项
地址
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