发明名称 |
METHOD AND APPARATUS FOR DELIVERING SECURED TELEPHONY SERVICE TO A HYBRID COAXIAL CABLE NETWORK |
摘要 |
A hybrid coaxial cable network employing interdiction to ensure privacy in telephony communications. The video and telephony signals are secured such that telephony and interactive video signals to and from a subscriber do not appear on the network at any other undesired subscriber location. Power is supplied to the subscriber's telephone through the coaxial cable network.
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申请公布号 |
CA2173003(A1) |
申请公布日期 |
1994.11.29 |
申请号 |
CA19942173003 |
申请日期 |
1994.05.26 |
申请人 |
U S WEST TECHNOLOGIES, INC. |
发明人 |
SKINNER, RUSSELL A., SR. |
分类号 |
H04M1/68;H04M19/00;(IPC1-7):H04M1/68 |
主分类号 |
H04M1/68 |
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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