Remote end detection
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United States of America Patent
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Sep 28, 1993
Grant Date -
N/A
app pub date -
Mar 2, 1992
filing date -
Sep 4, 1989
priority date (Note) -
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Abstract
An apparatus and method for determining passage along an installation route of an advancing end of an optical fibre. A detector at the installation end detects when light is transmitted back along the fibre from a source at a predetermined location. The source may be a primary source or comprise a means for coupling to a light carrying fibre.
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