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Antenna device

  • US 20020154062A1
  • Filed: 04/24/2002
  • Published: 10/24/2002
  • Est. Priority Date: 08/30/2000
  • Status: Active Grant
First Claim
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1. An antenna device provided with a substrate and a radiation electrode which extends two-dimensionally and is formed on a surface of or inside said substrate, characterized in that said substrate has a hollow part or a recess.

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