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    • 12. 发明授权
    • System and method for communicating data and objective code for an
interactive video guide system
    • 用于交互式视频指南系统的数据传输和目标代码的系统和方法
    • US5805204A
    • 1998-09-08
    • US806243
    • 1997-02-20
    • John R. ThompsonCraig E. TrivelpieceSteve E. Trivelpiece
    • John R. ThompsonCraig E. TrivelpieceSteve E. Trivelpiece
    • H04N7/16H04N21/2665H04N21/84H04N7/10H04N7/14
    • H04N21/2665H04N21/84H04N7/163H04N7/165
    • An interactive video guide system is provided in which nationally generic guide data, local guide data, and interactive video guide object code are transmitted to set-top decoder units located in customers' homes. Initially, nationally generic data or program information from a variety of sources is gathered together via modem at a central processing unit, and then manipulated, parsed and formatted into a national database compatible for use by a head end computer. This information is typically collected and updated on a daily basis. The manipulated nationally generic data is then transferred via modem to a transmitter for uplink to a selected telecommunications satellite. The satellite signal is then received by one or more local satellite CATV head end receivers which then forward a video base band signal carrying the nationally generic data to associated local head end computers. At the local head end computer, the nationally generic data is again manipulated, winnowed, parsed and processed to suit the requirements of the particular local market. Local guide data and interactive video guide object code may then be added to the nationally generic data and then the combined data and object code is transmitted over the CATV system to one or more decoder units in the consumers' homes.
    • 提供了一种交互式视频指南系统,其中将国内通用指南数据,本地指南数据和交互式视频指导目标代码发送到位于客户家庭中的机顶解码器单元。 最初,来自各种来源的国家通用数据或程序信息通过调制解调器在中央处理单元汇集在一起​​,然后被操纵,解析和格式化成与头端计算机兼容使用的国家数据库。 通常每天收集和更新此信息。 所操纵的国家一般数据然后通过调制解调器传送到发射机,用于上行链路到选定的电信卫星。 卫星信号然后由一个或多个本地卫星CATV头端接收器接收,然后将携带国家通用数据的视频基带信号转发到相关联的本地头端计算机。 在当地的头端计算机上,国家通用数据再次受到操纵,风选,解析和处理,以适应当地市场的要求。 然后可以将本地指南数据和交互式视频指南对象代码添加到国家通用数据中,然后将组合数据和目标代码通过CATV系统传送到消费者家庭中的一个或多个解码器单元。