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Antenna and radio communication apparatus

  • US 20050243001A1
  • Filed: 03/22/2005
  • Published: 11/03/2005
  • Est. Priority Date: 04/28/2004
  • Status: Active Grant
First Claim
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1. An antenna comprising:

  • a mount board having a non-ground region;

    a parallel resonant circuit provided in the non-ground region, the parallel resonant circuit including a surface mount antenna component including a substrate and at least a pair of electrodes arranged on a surface of the substrate so as to face each other with a predetermined distance therebetween to define a capacitor, and a parallel radiation electrode pattern having an inductor and a feed electrode, the parallel radiation electrode pattern being connected in parallel to the capacitor; and

    a first lumped-constant inductor connected to or included in the parallel resonant circuit.

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