发明名称 |
Subscription broadcasting system |
摘要 |
A viewer applies to view a particular programme through a public telephone line by a data communication device, a charging center sends a viewing permit code to the data communication device and collects fees for the program. The scrambled programme is broadcast and the viewing permit code enables unscrambling thereof. The application for viewing a program specifies the program by an identification number or the hour of broadcasting. <IMAGE> |
申请公布号 |
GB2269302(A) |
申请公布日期 |
1994.02.02 |
申请号 |
GB19930014848 |
申请日期 |
1993.07.16 |
申请人 |
* MITSUBISHI CORPORATION |
发明人 |
TAKASHI * TANAKA;SHUNICHI * MOMIKI |
分类号 |
G07C3/00;G07F7/00;G07F17/28;H04N21/2347;H04N21/2543;H04N21/6334 |
主分类号 |
G07C3/00 |
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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