| 发明名称 |
LOOP FAULT LOCATION AND ISOLATION |
| 摘要 |
<p>IMPROVED LOOP FAULT LOCATION AND ISOLATION A simplified loop communication fault location and isolation circuit which utilizes sequences of power interruption pulses in DC power distributed on the signal lines from a master repeater to control loop signal wrap functions.</p> |
| 申请公布号 |
CA1074019(A) |
申请公布日期 |
1980.03.18 |
| 申请号 |
CA19770269173 |
申请日期 |
1977.01.05 |
| 申请人 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
WILK, JOHN M. |
| 分类号 |
H04B3/46;(IPC1-7):06F11/04;04B3/46 |
主分类号 |
H04B3/46 |
| 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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