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ANTENNA DEVICE

  • US 20180269581A1
  • Filed: 03/07/2018
  • Published: 09/20/2018
  • Est. Priority Date: 03/15/2017
  • Status: Active Application
First Claim
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1. An antenna device comprising:

  • a ground having a side which has a length Gx smaller than or equal to λ

    /2 when a signal wavelength is defined as λ

    , anda folded antenna element connected to the side of the ground at a connection point and having a folded element portion folded in a folding direction, whereinGx1 is defined as a length of a portion of the side between the connection point and an end of the side away from the folded element portion in a direction opposite to the folding direction, and the length Gx1 satisfies inequalities;

    0≤

    Gx1<

    Gx/2.

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