Electronically scanned antenna

Details Electronically scanned antenna Electronically scanned antenna

1989-03-20

1990-10-23

Tarcza, Thomas H.

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

Directive

Including a steerable array

342373, G01S 703

Patent

active

049655884

ABSTRACT:
The invention relates to an electronically scanned antenna comprising an array (11) of elementary sources, an energy-focusing reflector (10), and feed and control electronics; the array (11) is situated in the focal zone of the reflector, while the feed and control electronics includes a plurality of attenuator and phase shifter circuits (24) controlled by a control unit (27), with said circuits having their outputs connected to at least one combiner (28). The invention is particularly suitable for space telecommunications.

REFERENCES:
patent: 3737899 (1973-06-01), Georgopoulos
patent: 3993999 (1976-11-01), Hemmi et al.
patent: 4090199 (1978-05-01), Archer
patent: 4217587 (1980-08-01), Jacomini
patent: 4277787 (1981-07-01), King
patent: 4799065 (1989-01-01), Thompson
patent: 4825172 (1989-03-01), Thompson
patent: 4827268 (1989-05-01), Rosen
patent: 4864311 (1989-09-01), Bennett et al.
Patent Abstracts of Japan, vol. 12, No. 60 (E-584)(2907) Feb. 23, 1988.

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