Automatic direction finder sense antenna

Details Automatic direction finder sense antenna Automatic direction finder sense antenna

1994-03-03

1994-10-04

Hajec, Donald

Communications: radio wave antennas

Antennas

With aircraft

343767, 343769, H01Q 128, H01Q 1312

Patent

active

053530381

ABSTRACT:
A surface conforming sense antenna is integrated with the surface skin of an aircraft by removing a rectangular looped strip of a metallized exterior composite surface skin. The remaining interior metallized portion isolated from the exterior metallized section forms an antenna sense element. The inner metallized portion is connected to an ADF radio receiver to function as a sense antenna in conjunction with a loop antenna. The gap between the metallized inner portion of the exterior metallized section allows lightning energy to be discharged thereacross. The modification does not impose a weight penalty or a wind drag penalty and does not degrade lightning protection for the composite aircraft.

REFERENCES:
patent: 2977595 (1961-03-01), Zisler et al.
patent: 3086204 (1963-04-01), Alford
patent: 3623162 (1971-11-01), Whitty
patent: 4373162 (1983-02-01), Peterson
patent: 4983034 (1991-01-01), Spillman, Jr.
patent: 5170367 (1992-12-01), Mackay et al.

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