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Wideband planar reconfigurable polarization antenna array

  • US 9,391,375 B1
  • Filed: 09/27/2013
  • Issued: 07/12/2016
  • Est. Priority Date: 09/27/2013
  • Status: Active Grant
First Claim
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1. A system comprising:

  • at least a two-by-two array of linearly polarized antenna elements, wherein each antenna element has an orthogonal feed orientation with respect to its adjacent antenna elements, wherein each antenna element in the array is equally and progressively rotated in orientation with respect to its adjacent antenna elements;

    a first array feed line connected to a first pair of elements in the array, wherein a first sub-feed line connected to the first array feed line is connected to a first element of the first pair of elements and a second sub-feed line connected to the first array feed line is connected to a second element of the first pair of elements, wherein the first and second elements of the first pair of elements have orthogonal feed orientations;

    a second array feed line connected to a second pair of elements in the array, wherein the second array feed line is not combined with the first array feed line, wherein a first sub-feed line connected to the second array feed line is connected to a first element of the second pair of elements and a second sub-feed line connected to the second array feed line is connected to a second element of the second pair of elements, wherein the first and second elements of the second pair of elements have orthogonal feed orientations, wherein the first and second sub-feed lines connected to the first array feed line and the first and second sub-feed lines connected to the second array feed line each generate a corresponding equal and progressive phase delay within the array.

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