发明名称 |
Method and system for selling data |
摘要 |
Desired data is retrieved (202). A part of the data which contains a buried electronic watermark is extracted from the retrieved data and output (204). A section of data where the electronic watermark is buried is detected from the data (205). A charge unit corresponding to the detected electronic watermark information is retrieved from a customer management database (80), and a charge for use of the picture information is calculated (206). <IMAGE> |
申请公布号 |
EP1139244(A3) |
申请公布日期 |
2005.01.26 |
申请号 |
EP20000118677 |
申请日期 |
2000.08.29 |
申请人 |
HITACHI, LTD. |
发明人 |
KONDO, KAORI;KODAMA, KAZUYUKI;MATSUZAWA, SHIGERU |
分类号 |
G06F12/14;G06F21/10;G06F21/16;G06Q30/04;G06Q30/06;G06Q50/00;G06Q50/10;G06T1/00;G09C5/00;H04N7/08;H04N7/081;(IPC1-7):G06F17/60 |
主分类号 |
G06F12/14 |
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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