发明名称 Identification of programming having supplementary content
摘要 A method is described for associating a predefined unique symbol with a type of supplementary content for a program, creating a program schedule that includes a listing for the program, and providing the predefined unique symbol in association with the listing in the program schedule.
申请公布号 US2003154481(A1) 申请公布日期 2003.08.14
申请号 US20020074484 申请日期 2002.02.11
申请人 ANDERSEN DAVID B.;IYENGAR SRIDHAR;PILAT PAUL;SMILEY MARY D. 发明人 ANDERSEN DAVID B.;IYENGAR SRIDHAR;PILAT PAUL;SMILEY MARY D.
分类号 H04N5/445;(IPC1-7):H04N5/445;G06F3/00;G06F13/00 主分类号 H04N5/445
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