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Dual-patch antenna and array

  • US 8,390,520 B2
  • Filed: 03/11/2010
  • Issued: 03/05/2013
  • Est. Priority Date: 03/11/2010
  • Status: Active Grant
First Claim
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1. A dual-patch antenna array, comprising:

  • a plurality of dual-patch antennas, each dual-patch antenna comprising;

    a ground plane;

    a first patch plate parallel to and separated from the ground plane by a separation distance;

    a second patch plate separated from the ground plane by the separation distance, coplanar with the first patch plate, and separated from the first patch plate by a radiating slot;

    an excitation probe isolatedly passing through the ground plane and connecting to the first patch plate;

    a first wall connecting an edge of the first patch plate to the ground plane, the first wall located approximately ¼

    wavelength of a mid-band operating frequency from the radiating slot; and

    a second wall connecting an edge of the second patch plate to the ground plane, the second wall located approximately ¼

    wavelength of the mid-band operating frequency from the radiating slot,wherein the radiating slots are colinear.

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