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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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