Optical waveguides – Optical transmission cable
Patent
1992-02-06
1993-07-06
Lee, John D.
Optical waveguides
Optical transmission cable
385115, 385116, 385102, G02B 644
Patent
active
052261034
ABSTRACT:
Optical cable provided with a device for destroying the optical fibers of this cable. This cable includes a bundle of optical fibers (4) and a device for destroying the optical fibers, this device operating when sectioning the bundle of optical fibers (4) at virtually any location of the cable (2) and destroying the fibers. This device may include a tube (6) filled with a substance able to destroy the fibers via having contact with the latter, the tube being resistant to this substance and housed in the bundle of fibers. Application for the detection of an intrusion or attempted intrusion into a security system using an optical cable.
REFERENCES:
patent: 3749487 (1973-07-01), Grier et al.
patent: 4178069 (1979-12-01), Andersen et al.
patent: 4314741 (1982-02-01), Deminet et al.
patent: 4688891 (1987-08-01), Carratt et al.
Commissariat a l''Energie Atomique
Heartney Ryan
Lee John D.
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