发明名称 |
CHECKING METHOD AND CHECKING SYSTEM |
摘要 |
PROBLEM TO BE SOLVED: To provide a checking method and a checking system for protecting copyright effectively and reliably. SOLUTION: This checking method checks the information stored in terminals 104 forming a network 103 by using a robot agent 102 that moves among the terminals 104 and decides whether the electronic watermarks are embedded in the information. |
申请公布号 |
JP2002032290(A) |
申请公布日期 |
2002.01.31 |
申请号 |
JP20000213204 |
申请日期 |
2000.07.13 |
申请人 |
CANON INC |
发明人 |
IWAMURA KEIICHI |
分类号 |
G06T1/00;G06F1/00;G06F13/00;G06F21/00;G06F21/22;G09C5/00;H04N1/387;(IPC1-7):G06F13/00 |
主分类号 |
G06T1/00 |
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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