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Reconfigurable parasitic control for antenna arrays and subarrays

  • US 20050088358A1
  • Filed: 11/24/2003
  • Published: 04/28/2005
  • Est. Priority Date: 07/29/2002
  • Status: Active Grant
First Claim
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1. An array of RF antenna elements or sub-arrays, said array comprising:

  • a plurality of antenna elements or sub-arrays spatially distributed over an array aperture;

    at least some of said antenna elements or sub-arrays each including at least one active antenna element and at least one parasitic element associated with said active element, and at least one controllably variable reactance load connected to least one said parasitic element; and

    an array controller connected to control at least said variable reactance loads thereby to control, at least in part, a predetermined characteristic of said array.

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