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Minimized antenna apparatus with selectable elements

  • US 7,511,680 B2
  • Filed: 10/25/2007
  • Issued: 03/31/2009
  • Est. Priority Date: 08/18/2004
  • Status: Active Grant
First Claim
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1. An antenna apparatus, comprising:

  • a substrate having a first side and a second side, wherein the second side of the substrate is substantially parallel to the first side of the substrate;

    a plurality of active antenna elements on the first side of the substrate, each active antenna element configured to be selectively coupled to a radio frequency communication device; and

    a ground component on the second side of the substrate, the ground component and a corresponding selectively coupled active antenna element from the plurality of active antenna elements collectively having one or more loading structures, wherein the one or more loading structures change the resonance of and allow the dimension of the ground component and the corresponding selectively coupled active antenna element to be reduced in comparison to a ground component and a selectively coupled active antenna element without corresponding loading structures.

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