Array antenna having multiple independently steered beams

Details Array antenna having multiple independently steered beams Array antenna having multiple independently steered beams

1998-01-14

2000-08-15

Hellner, Mark

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

Directive

Including a steerable array

342373, H01Q 322

Patent

active

061043435

ABSTRACT:
An array antenna system for forming multiple independently steered beams is described. The antenna system includes series or parallel feed circuits and phase shifters which are not disclosed directly in the signal path between the feed circuits and antenna elements included in the array antenna system.

REFERENCES:
patent: 4408205 (1983-10-01), Hockham
patent: 4720712 (1988-01-01), Brookner et al.
patent: 4962383 (1990-10-01), Tresselt
patent: 5812088 (1998-09-01), Pi et al.
patent: 5812089 (1998-09-01), Locke
A. I Zaghloul et al.; "X-Band Active Transmit Phased Array for Satellite Applications;" COMSAT Laboratories; 1996; pp. 272-277.

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