发明名称 |
A powerfeed for a submarine communications system |
摘要 |
<p>The present invention provides a method of establishing a virtual earth at a location in a submarine communications system including the steps of, at a powerfeed, detecting an incoming current to the powerfeed generated by a remote powerfeed and automatically modulating an electrical output of the powerfeed in dependence on the detected current to maintain the location of the virtual earth. The modulation of the powerfeed output is executed automatically and as such, a virtual earth can be maintained and established at the desired location on the power cable of the submarine communications system. There is a substantially reduced risk of error in the location of the virtual earth over conventional methods which are more reliant on operator accuracy. <IMAGE></p> |
申请公布号 |
EP1017184(A2) |
申请公布日期 |
2000.07.05 |
申请号 |
EP19990310338 |
申请日期 |
1999.12.21 |
申请人 |
ALCATEL |
发明人 |
LANCASTER, PHILIP CHARLES;NICOL, GEORGE WRIGHT |
分类号 |
H04B3/36;H04B3/44;(IPC1-7):H04B3/44 |
主分类号 |
H04B3/36 |
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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