Optical waveguides – With disengagable mechanical connector – Structure surrounding optical fiber-to-fiber connection
Reexamination Certificate
2006-12-26
2006-12-26
Font, Frank G (Department: 2883)
Optical waveguides
With disengagable mechanical connector
Structure surrounding optical fiber-to-fiber connection
C356S073100, C398S013000, C398S020000, C398S139000, C398S142000
Reexamination Certificate
active
07153034
ABSTRACT:
The present invention discloses an optical transmission line constructing method comprising the steps of connecting a plurality of optical fibers differing from each other in terms of a transmission characteristic; making inspection light incident on an entrance end of the connected plurality of optical fibers; detecting, on the entrance end side, respective return light components of the inspection light occurring at individual positions of the plurality of optical fibers in its longitudinal direction; evaluating a characteristic information distribution of return light in the longitudinal direction of the plurality of optical fibers; and constructing an optical transmission line according to a result of the evaluation.
REFERENCES:
patent: 5611016 (1997-03-01), Fangmann et al.
patent: 5936719 (1999-08-01), Johnson
patent: 6473548 (2002-10-01), Nagayama et al.
Hasegawa Takemi
Nishimura Masayuki
Onishi Masashi
Sasaoka Eisuke
El-Shammaa Mary
Font Frank G
Sumitomo Electric Industries Ltd.
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