发明名称 |
Apparatus and method for detecting optical fiber fault location |
摘要 |
A method and apparatus for detecting a fault, such as a break or crack in a fiber optic cable. A test device transmits into a first end of fiber bundle under test a first pulse of optical energy. The time duration and/or intensity of the pulse propagating through the fiber after being reflected back through the fiber are determined and stored in memory. At a later point in time this step is repeated with a second pulse. If the propagation time and/or intensity of the second pulse varies by greater than a predetermined amount from that of the first pulse an alarm condition is indicated. From the propagation time of the second pulse a length is calculated and provided to the user. This length corresponds to the location of the fault.
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申请公布号 |
US5965876(A) |
申请公布日期 |
1999.10.12 |
申请号 |
US19970915491 |
申请日期 |
1997.08.20 |
申请人 |
VERIFIBER TECHNOLOGIES, INC. |
发明人 |
ANEMOGIANNIS, EMMANUEL;THOMPSON, LEO J. |
分类号 |
G01M11/00;(IPC1-7):G01N21/00 |
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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