发明名称 Interest messaging entertainment system
摘要 Video signals broadcast on a multiplexed channel of a broadcast network are received and there is extract therefrom a closed captioning stream of textual data that is searched for occurrences of textual data matching one or more search parameters. A partial portion of the closed captioning stream of textual data that includes each of the occurrences of textual data that matches the one or more search parameters can be directed to a television receiver.
申请公布号 US8006268(B2) 申请公布日期 2011.08.23
申请号 US20020153346 申请日期 2002.05.21
申请人 MICROSOFT CORPORATION 发明人 SLOO DAVID HENDLER
分类号 G06F3/00;G06F7/00;G06F17/30;H04N5/44;H04N5/445;H04N5/50;H04N7/16;H04N7/173 主分类号 G06F3/00
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