Cable with optical fibers for signal transmission

Details Cable with optical fibers for signal transmission Cable with optical fibers for signal transmission

1987-06-09

1990-03-20

Lee, John D.

G02B 644

Patent

active

049095919

ABSTRACT:
The problem which has existed heretofore, of maintaining the protection of optical fibers under all circumstances from axial traction loads in cables used for the transmission of data by means of a number of signal transmitting optical fibers by means of electromagnetic radiations of wavelengths under 1 mm, essentially in the longitudinal direction of the fibers and the related problem of being able to exclude completely, even under extreme working conditions, the danger of rupture of the optical fibers during thermal expansion and very strong bending of the cable have been solved by guidance means (7, 9, 10) for the guidance of the fibers (8) on paths (12) located on the inside of at least one cylinder-jacket-shaped shell (13) and assuming an essentially wave-shaped course with excursions (52) in relation to imaginary median lines (11) attributed to each and situated inside the cylinder-jacket-shaped shell (13) in a position which is essentially parallel to the cylinder axis (53) of said shell and which are freely movable in azimuthal direction up to the transition into straight lines.

REFERENCES:
patent: 4205899 (1980-06-01), King et al.
patent: 4289558 (1981-09-01), Eichenbaum et al.
patent: 4364788 (1982-12-01), Bloodworth, Jr. et al.
patent: 4366667 (1983-01-01), Oestreich
patent: 4458476 (1984-07-01), Mayr et al.
patent: 4645628 (1987-02-01), Gill
patent: 4781433 (1988-11-01), Arroyo et al.
patent: 4784462 (1988-11-01), Priaroggia
A. Morello, "Introduction to Optical Fibre Cables", Pirelli Cable Rev. No. 26, pp. 1-6, Jul. 1985.
A. Portinari, "Design Considerations for Optical Cables", Pirelli Cable Rev. No. 26, pp. 52-55, Jul. 1985.

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