Optical waveguides – Optical transmission cable – Loose tube type
Patent
1998-05-21
2000-09-19
Ngo, Hung N.
Optical waveguides
Optical transmission cable
Loose tube type
385113, 385111, G02B 644
Patent
active
061224278
ABSTRACT:
A spacer having a high-tensile member at the center thereof has grooves extending helically. Coated optical fibers have been disposed in each groove. This assembly is covered with a wound covering and further with a sheath. The proportion of the total sectional area of the coated optical fibers to the sectional area of each groove, i.e., the degree of packing, is regulated to 10 to 50%.
REFERENCES:
patent: 5561730 (1996-10-01), Lochkovic et al.
patent: 5825957 (1998-10-01), Song
Furukawa Shin-ichi
Hogari Kazuo
Suetsugu Yoshiyuki
Yokokawa Tomoyuki
Ngo Hung N.
Nippon Telegraph and Telephone Corporation
Sumitomo Electric Industries Ltd.
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