发明名称 |
Sub-sea fiber optic cable location apparatus with a plurality of transponder means |
摘要 |
A sub-sea fiber-optic cable location indication apparatus wherein a small portion of a light signal carried by a main optical fiber cable is tapped off and is used to trigger or control a parameter of an electromagnetic, or acoustic signal radiated by a transponder carried by the main cable.
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申请公布号 |
US4956550(A) |
申请公布日期 |
1990.09.11 |
申请号 |
US19890296785 |
申请日期 |
1989.01.13 |
申请人 |
OXLEY DEVELOPMENTS COMPANY LIMITED |
发明人 |
EDWARDS, GEOFFREY S.;TEBBLE, ROBERT S. |
分类号 |
G01S1/72;G02B6/44 |
主分类号 |
G01S1/72 |
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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