发明名称 |
INFORMATION ACCESS SYSTEM, INFORMATION PROVIDING DEVICE, INFORMATION ACCESS DEVICE, INFORMATION PROVIDING METHOD, AND INFORMATION ACCESS METHOD |
摘要 |
<p>An information search system capable of searching a target content based on meta information provided by a broadcast station, in which a reception device makes an inquiry toward a directory service server based on a meta information reference ID accompanying meta information coming from the broadcast station so that a meta information group is derived for reference by the meta information reference ID. Also, another inquiry is made toward a content service server based on address information or a keyword of the content included in sub meta information in the meta information group so as to perform a search for any desired content. <IMAGE></p> |
申请公布号 |
EP1521471(B1) |
申请公布日期 |
2015.03.04 |
申请号 |
EP20040726297 |
申请日期 |
2004.04.07 |
申请人 |
SONY CORPORATION |
发明人 |
ITO, AKIHIKO;TSURUMOTO, TAKASHI;MARUYAMA, TETSUO;FUKUDA, KAZUHIRO |
分类号 |
H04N21/235;G06F17/30;H04N7/16;H04N7/173;H04N7/24;H04N21/4722;H04N21/658 |
主分类号 |
H04N21/235 |
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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