Aircraft deployable rotating phased array antenna

Details Aircraft deployable rotating phased array antenna Aircraft deployable rotating phased array antenna

1993-08-13

1994-10-18

Blum, Theodore M.

Communications: directive radio wave systems and devices (e.g.,

Directive

Beacon or receiver

342372, 343705, G01S 144

Patent

active

053572599

ABSTRACT:
A stacked Yagi phased array is located within a foil-shaped enclosure that is connected to a rotary joint which allows rotation of the antenna over 360.degree. in azimuth. The radar is normally stored within the equipment bay of an aircraft and is deployed therefrom when radar surveillance by the aircraft is desired. When the antenna is stored, aircraft drag is reduced and radar signature is low. The combination of mechanical and electronic scan permits increased search in critical sectors of interest and allows skipping of other sectors. The rotary joint of the invention requires no RF power or analog signals to pass through it.

REFERENCES:
patent: 3953857 (1976-04-01), Jenks
patent: 4529986 (1985-07-01), d'Auria et al.
patent: 4912477 (1990-03-01), Lory et al.
patent: 5049891 (1991-09-01), Ettinger et al.
patent: 5238208 (1993-08-01), Davis

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