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US 4,118,594 AGranted
Long distance coaxial cable with optical fibres
AssigneeSociete Lignes Telegraphiques et Telephoniques
InventorMaurice Arnaud
Life of this patent
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Abstract
A cable comprising a disc insulated coaxial structure in which said discs are designed with notches in which are located optical fibres extending parallel with the inner conductor of the coaxial structure. An insulating keeper wire is forced into the notch to prevent the free fibres escaping therefrom. One or several fibres are contained within each notch.
Claims6
A disc insulated coaxial cable for wideband long distance communication comprising:
- an inner conductor;
- disc shaped spacers on said conductor;
- an outer transversally corrugated dielectric ribbon wrapped around said discs;
- an outer conductor surrounding said dielectric ribbon;
- means defining notches in the periphery of said discs;
- optical fibers disposed in said notches paralleling said inner conductor;
- and
- keeper means retaining said fibers in said notches.
5 more elements
Dependencies are inferred from the claim text.