1987-09-08
1989-05-02
Sikes, William L.
350 9625, G02B 2326
Patent
active
048262811
ABSTRACT:
An optical cable of the present invention comprises: an optical fiber sensor, the optical fiber sensor having an optical fiber having an external circumferential wall portion and a flexible coating film covering the external circumferential wall portion; and a tube member with a good flexibility, the tube member having an axis and an internal circumferential wall portion and receiving the optical fiber sensor along the axis such that the coating film faces the internal circumferential wall portion of the tube member, the tube member having a portion where the axis is bent; wherein fluid is sealed in between the coating film and the internal circumferential wall portion of the tube member with its pressure being changeable.
REFERENCES:
patent: 4530078 (1985-07-01), Lagakos et al.
patent: 4575185 (1986-03-01), Wentzell et al.
patent: 4708434 (1987-11-01), Tsuno
patent: 4735501 (1988-04-01), Ginsburgh et al.
Awazu Kunio
Ohkawa Shin-ichi
Holloway B. Randolph
Sikes William L.
Sumitomo Electric Industries Ltd.
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