发明名称 |
Portable terminal system and operation method thereof |
摘要 |
A portable terminal wirelessly transmits a taken still image to a predetermined base station. An image processor receives the still image and extracts a digital watermark from the image. Further, the image processor transmits additional information according to the digital watermark to the portable terminal. Accordingly, various services using a digital watermark technique can be provided by using a portable terminal which can process a high-definition image to which a digital watermark can be embedded.
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申请公布号 |
US2003083098(A1) |
申请公布日期 |
2003.05.01 |
申请号 |
US20020277943 |
申请日期 |
2002.10.23 |
申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
YAMAZAKI TAKESHI;MURAKAMI TOMOCHIKA |
分类号 |
G06T1/00;H04B7/26;H04M1/725;H04N1/00;H04N1/32;H04N1/387;H04N7/08;H04N7/081;(IPC1-7):H04B1/38;H04M1/00 |
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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