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Diversity antenna apparatus

  • US 7,046,201 B2
  • Filed: 04/09/2004
  • Issued: 05/16/2006
  • Est. Priority Date: 04/11/2003
  • Status: Expired due to Fees
First Claim
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1. A diversity antenna apparatus comprising:

  • a plurality of antenna elements disposed on a substrate; and

    a ground pattern formed in or on the substrate, the ground pattern functioning together with each of the antenna elements;

    wherein the ground pattern is formed at a central region of the substrate with a gap from each of the antenna elements, and wherein the antenna elements are disposed along outer edges of the substrate and/or the ground pattern so as to surround the ground patterns,wherein the ground pattern has at least one side edge along which at least two of the antenna elements are disposed with tips thereof directed in the same direction and with spaces provided adjacent to and in the directions of the respective tips of the antenna elements.

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