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Coupled antenna structure and methods

  • US 9,647,338 B2
  • Filed: 03/03/2014
  • Issued: 05/09/2017
  • Est. Priority Date: 03/11/2013
  • Status: Active Grant
First Claim
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1. A coupled antenna apparatus, comprising:

  • a first radiator element comprising a closed structure, the closed structure comprising a conductive ring-like structure;

    one or more second radiator elements that are disposed proximate to the first radiator element, at least one of the one or more second radiator elements being coupled to a first ground point; and

    a third radiator element that is disposed proximate to the one or more second radiator elements, the third radiator element being coupled to a feed port and a second ground point;

    wherein the first radiator element, the one or more second radiator elements and the third radiator element are not in galvanic connection with one another;

    wherein the conductive ring-like structure comprises one or more protruding conductive portions that are configured to optimize one or more operating parameters of the coupled antenna apparatus;

    wherein the one or more protruding conductive portions outwardly project from an external perimeter of the conductive ring-like structure; and

    wherein the conductive ring-like structure as well as the one or more protruding conductive portions comprises a floating structure that is free from both a galvanic coupling to a feed structure and a ground structure.

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