发明名称 |
Telephone station repeater |
摘要 |
A telephone station repeater is disclosed which will provide bidirectional gain in a long telephone loop at the customer's station. The repeater is powered from the central office battery over the loop and provides gain with very small power consumption and virtually no power consumption when not in use.
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申请公布号 |
US4112262(A) |
申请公布日期 |
1978.09.05 |
申请号 |
US19770819059 |
申请日期 |
1977.07.26 |
申请人 |
BELL TELEPHONE LABORATORIES, INCORPORATED |
发明人 |
STIEFEL, KENNETH ERWIN |
分类号 |
H04B3/18;(IPC1-7):H04B3/18;H04B3/36 |
主分类号 |
H04B3/18 |
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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