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Dual band built-in antenna device and mobile wireless terminal equipped therewith

  • US 20020093456A1
  • Filed: 12/10/2001
  • Published: 07/18/2002
  • Est. Priority Date: 12/11/2000
  • Status: Active Grant
First Claim
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1. A dual band built-in antenna device operable in a first frequency band and a second frequency band comprising:

  • a ground plane comprising a ground member;

    a first inverted-L line antenna element for said first frequency band; and

    a second inverted-L line antenna element for said second frequency band;

    wherein said first and second inverted-L line antenna elements are so constructed that the elements are extended to respective directions that are further separated from each other as the antenna elements extend further from a starting position set in proximity to a power feed point within a plane parallel to said ground plane.

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