发明名称 SYSTEM FOR VIEWING SUBSCRIPTION CHANNEL FREE OF CHARGE FOR PRESCRIBED PERIOD IN CATV SYSTEM
摘要 PURPOSE:To increase the income of the CATV operator by solving a problem of number of contracts of a subscription broadcast unable to make moving upward and advertising the subscription channel widely to the user thereby promoting the contract in the subscription broadcast used for the CATV system. CONSTITUTION:A CATV converter controller (line controller 1) of a center A sends channel selection control information, subscription channel information not contracted yet and information representing free charge viewing period to a CATV converter 8 of a subscriber C according to the content of the contract for each subscriber, and the CATV converter 8 of the subscriber stores both the information sets relating to non-contract to a memory and stores a specific contract propaganda onto a television receiver 9 when a channel is a subscription channel not contracted and the channel is viewed free of charge for the period while the subscriber selects the channel.
申请公布号 JPH0549028(A) 申请公布日期 1993.02.26
申请号 JP19910222448 申请日期 1991.08.08
申请人 MATSUSHITA ELECTRIC IND CO LTD 发明人 ISHIKAWA KOJI;OTANI GENZO;TANAKA SHIGEKAZU
分类号 H04N7/10;H04N21/442;H04N21/4623 主分类号 H04N7/10
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