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Aperture-coupled planar inverted-F antenna

  • US 6,072,434 A
  • Filed: 02/04/1997
  • Issued: 06/06/2000
  • Est. Priority Date: 02/04/1997
  • Status: Expired due to Term
First Claim
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1. An antenna comprising:

  • a ground plane having an aperture formed therein;

    a radiating patch formed on one side of the ground plane and separated therefrom by a first dielectric;

    a feedline arranged on an opposite side of the ground plane and separated therefrom by a second dielectric, such that signals are coupled between the feedline and the radiating patch via the aperture; and

    a single shorting strip located proximate to an edge of the radiating patch, away from a corner of the edge, and connecting the radiating patch to the ground plane, such that a dimension of the radiating patch required for resonance is reduced by a factor of approximately one-half, and wherein a position of the shorting strip along the edge of the radiating patch is selected to alter a characteristic of a radiation pattern of the antenna.

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