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Antenna and electronic device equipped with the same

  • US 8,537,052 B2
  • Filed: 01/29/2010
  • Issued: 09/17/2013
  • Est. Priority Date: 02/24/2009
  • Status: Expired due to Fees
First Claim
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1. An antenna comprising:

  • a dielectric substrate;

    a ground electrode provided on a first surface of the dielectric substrate;

    a first antenna element and a second antenna element provided to a second surface of the dielectric substrate, the first antenna element having rectangular shape, the second antenna element having rectangular shape and placed opposite to the first antenna element, each of the first and second antenna element connected to the ground electrode via an electrode provided on an end of the dielectric substrate, each of the first and second antenna element having a short-circuited end and an open-circuited end, each of the first and second antenna element having shape so that a resonance frequency and a Q value of the first antenna element are same as those of the second antenna element;

    a transmission line connecting a side of each of the first antenna element and the second antenna element, the side of the first antenna element and the side of the second antenna element are located between the short-circuited end and the open-circuited end respectively, and are placed opposite with respect to one another; and

    a feed part provided in the transmission line.

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