Helicopter electronic system for detecting electric power lines

Details Helicopter electronic system for detecting electric power lines Helicopter electronic system for detecting electric power lines

1997-11-05

1999-01-12

Lee, Benjamin C.

Communications: electrical

Aircraft alarm or indicating systems

Nonairplane

340963, 340903, 701301, 3242072, 342455, 342458, 342465, G08B 2100

Patent

active

058595970

ABSTRACT:
The invention is an electronic system for warning helicopter pilots of the presence of electric power lines during landing. The system detects electromagnetic fields created by electricity flowing through the power lines. When the helicopter is closer than a predetermined distance from the power line, visual and audio alarms alert the pilot of the danger. When the helicopter is a safe distance from the power line, the alarms reset.

REFERENCES:
patent: 4405926 (1983-09-01), Potter
patent: 5252912 (1993-10-01), Merritt et al.
patent: 5448233 (1995-09-01), Saban et al.
patent: 5473244 (1995-12-01), Libove et al.

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