| 发明名称 |
PROGRAM SEARCHING APPARATUS, AND CONTROL METHOD OF PROGRAM SEARCHING APPARATUS |
| 摘要 |
<P>PROBLEM TO BE SOLVED: To show search words desired by a viewer when searching related programs. <P>SOLUTION: A viewing determination part 9 specifies viewed programs based on a viewing history including viewed channel information and time information, and program supplemental data held by a program information holding part 10. A search word extraction part 13 extracts the search words from the program supplemental data related to the programs specified by the viewing determination part 9. A program search part 15 searches the related programs relating to the search words by using the extracted search words and the program supplemental data held by the program information holding part 10. <P>COPYRIGHT: (C)2008,JPO&INPIT |
| 申请公布号 |
JP2007300497(A) |
申请公布日期 |
2007.11.15 |
| 申请号 |
JP20060127885 |
申请日期 |
2006.05.01 |
| 申请人 |
CANON INC |
发明人 |
MARUYAMA KAZUNA;MATSUBAYASHI KAZUHIRO;URABE HIROFUMI;MITO KOJI |
| 分类号 |
H04N7/173;G06F17/30;H04N5/76;H04N21/432;H04N21/442;H04N21/482 |
主分类号 |
H04N7/173 |
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