发明名称 |
Method and apparatus for selectively delivering telephony signals on a hybrid coaxial cable network |
摘要 |
An interdiction device and method to jam or delete selected video and telephony signals. The interdiction device includes amplifiers and forward couplers to prevent the telephony signals from appearing at other undesired subscriber locations on the network.
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申请公布号 |
US5592540(A) |
申请公布日期 |
1997.01.07 |
申请号 |
US19950540365 |
申请日期 |
1995.10.06 |
申请人 |
U S WEST ADVANCED TECHNOLOGIES, INC. |
发明人 |
BEVERIDGE, GREGORY J. |
分类号 |
H04H20/79;H04H60/94;H04H60/97;H04N7/173;H04Q11/02;(IPC1-7):H04N7/10;H04N7/14;H04M13/00;H04H1/00 |
主分类号 |
H04H20/79 |
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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