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Array antenna having a dual field of view

  • US 6,078,289 A
  • Filed: 05/29/1998
  • Issued: 06/20/2000
  • Est. Priority Date: 05/29/1998
  • Status: Expired due to Term
First Claim
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1. An array antenna comprising:

  • (a) a first plurality of super elements, each of said first plurality of super elements comprising N radiating elements;

    (b) a second plurality of super elements, each of said second plurality of super elements comprising M radiating elements where M is not equal to N;

    (c) a beamforming circuit;

    (d) a circuit to selectively couple the M and N radiating elements of said first and second plurality of super elements to said beamforming circuit, such that in response to said circuit coupling each of the M and N radiating elements of said first and second plurality of super elements to said beamforming circuit, the antenna is provided having a first field of view and in response to said circuit coupling each of the N radiating elements to said beamforming circuit and isolating each of the M radiating elements from said beamforming, the antenna is provided having a second field of view which is different than the first field of view.

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