| 发明名称 |
FAULT POINT AIMING SYSTEM OF OPTICAL CABLE |
| 摘要 |
PURPOSE:To estimate the fault point of an optical cable by installing fixed reflection points on the way of an optical transmission line and making use of the presence or not and loss increase of the reflection waves from the fixed reflection points. |
| 申请公布号 |
JPS53119068(A) |
申请公布日期 |
1978.10.18 |
| 申请号 |
JP19770033371 |
申请日期 |
1977.03.28 |
| 申请人 |
NIPPON TELEGRAPH & TELEPHONE |
发明人 |
MIKI TETSUYA;KOBAYASHI IKUTAROU |
| 分类号 |
G01M11/00;G02B6/00 |
主分类号 |
G01M11/00 |
| 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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