发明名称 |
Power cutting device for terminal units of CATV system |
摘要 |
In a CATV system, power supplies of television sets associated with all terminal units are cut in response to an instruction contained in a down-data signal supplied by a central facility of the system. It is possible to cut the power supplies of the television sets, selectively and periodically, by incorporating address informations in the down-data signal.
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申请公布号 |
US4439784(A) |
申请公布日期 |
1984.03.27 |
申请号 |
US19800191206 |
申请日期 |
1980.09.26 |
申请人 |
PIONEER ELECTRONIC CORPORATION |
发明人 |
FURUKAWA, HAJIME;OHTA, YOSHITSUGU |
分类号 |
H04N7/16;H04N7/173;(IPC1-7):H04N7/18 |
主分类号 |
H04N7/16 |
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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