Electricity: conductors and insulators – Feedthrough or bushing – Compression
Patent
1982-06-14
1985-03-26
Lee, John
Electricity: conductors and insulators
Feedthrough or bushing
Compression
174 37, G02B 514
Patent
active
045069484
ABSTRACT:
At least one metallic element is incorporated into a cable during the manufacture of optical fiber cables, along with one or more elongated optical fibers. Such metallic element with its insulation is similar in diameter to an optical fiber with its sheath. The electrical resistance of the metallic element varies very little with temperature, but does vary with strain. Hence, by monitoring the resistance of the metallic element, the strain to which the fibers are subjected can also be monitored.
REFERENCES:
patent: 3865466 (1975-02-01), Slaughter
patent: 4141622 (1979-02-01), Beal
patent: 4141623 (1979-02-01), Dubost et al.
Mitsunaga et al., "Strain Measurement in Coated . . . Wire", Trans. of IECE of Japan, vol. E62, No. 9, Sep. 1979, pp. 620-621.
Parfree Colin S.
Worthington Peter
International Standard Electric Corporation
Lee John
O'Halloran John T.
Ruzek Peter R.
Werner Mary C.
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