Optical waveguides – Optical transmission cable – Loose tube type
Patent
1996-06-06
1997-12-16
Palmer, Phan T. H.
Optical waveguides
Optical transmission cable
Loose tube type
385106, 385112, G02B 644
Patent
active
056994672
ABSTRACT:
An optical fiber complex overhead line including a spacer formed with a plurality of helical grooves in its outer periphery extending along the axial direction, each helical groove shaped to be able to accommodate at least two bundles of multi-core type optical fiber in the width direction of the groove, at least two bundles of multi-core type optical fiber accommodated in each of the helical grooves, a protective optical fiber covering accommodating the spacer, and a plurality of conductor strands arranged around the protective optical fiber covering.
REFERENCES:
patent: 4775213 (1988-10-01), Kitayama
patent: 5345525 (1994-09-01), Holman et al.
Aida Yukikatsu
Kojima Toru
Yoshida Koji
Palmer Phan T. H.
The Furukawa Electric Co. Ltd.
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