发明名称 Inspection method and system
摘要 Provides an inspection method and system which can efficiently and securely protect copyrights. To accomplish this, an inspection method inspects information stored in a terminal (104) that is included in a network (103), uses a robot agent (102) which moves between the terminals (104) and checks if a digital watermark is embedded in the information.
申请公布号 US2002019946(A1) 申请公布日期 2002.02.14
申请号 US20010901684 申请日期 2001.07.11
申请人 IWAMURA KEIICHI 发明人 IWAMURA KEIICHI
分类号 G06T1/00;G06F1/00;G06F13/00;G06F21/00;G06F21/22;G09C5/00;H04N1/387;(IPC1-7):G06F11/30 主分类号 G06T1/00
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