Method and apparatus for protecting aircraft electronics from li

Details Method and apparatus for protecting aircraft electronics from li Method and apparatus for protecting aircraft electronics from li

1997-05-30

1999-11-23

Sherry, Michael J.

Electricity: electrical systems and devices

Safety and protection of systems and devices

High voltage dissipation

361119, 343705, 359111, 385 15, H01C 712

Patent

active

059911387

ABSTRACT:
A lightning protection element is incorporated into the portion of an aircraft signal distribution system which connects an antenna to flight critical equipment. The lightning protection element rejects surge currents associated with direct lightning strikes on the antenna, or its surrounding radome, while passing communication signals without significant interference with those signals. In a preferred embodiment, the lightning protection element comprises an optical fiber isolator element. A segment of optical fiber in the isolator prevents surge currents associated with the lightning strikes from reaching the equipment while passing communications signals transmitted on the signal distribution system.

REFERENCES:
patent: 3972045 (1976-07-01), Perret
patent: 3997894 (1976-12-01), Levine
patent: 4061577 (1977-12-01), Bell
patent: 4781427 (1988-11-01), Husbands et al.

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