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
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