Method for monitoring optical fiber cables for lightning damage

Details Method for monitoring optical fiber cables for lightning damage Method for monitoring optical fiber cables for lightning damage

1996-10-28

1999-10-26

Lieu, Julie

Communications: electrical

Condition responsive indicating system

Specific condition

340657, 340658, 340660, 340661, 340662, 324102, 324113, 356 731, G08B 2100

Patent

active

059736046

ABSTRACT:
Lightning strikes on or proximate to an optical fiber cable may be detected via a lightning detector (18) that monitors the characteristics of voltage present on a metallic sheath (12) associated with the cable. The lightning detector (18) detects excessive voltage levels, spikes and/or frequency variations associated with a lightning strike and generates an alarm signal communicated to a central monitoring facility.

REFERENCES:
patent: 3149243 (1964-09-01), Garfield
patent: 4105966 (1978-08-01), Lennon et al.
patent: 4197435 (1980-04-01), Jackson et al.

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