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Antenna device, wireless communication apparatus using the same, and control method of controlling wireless communication apparatus

  • US 20070001924A1
  • Filed: 06/21/2006
  • Published: 01/04/2007
  • Est. Priority Date: 06/30/2005
  • Status: Active Grant
First Claim
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1. An antenna device comprising:

  • semi-conductive antenna bodies each having a predetermined length, said antenna bodies being positioned on a dielectric substrate; and

    control electrodes that are respectively connected with the semi-conductive antenna bodies, wherein direct-current biased voltage that is applied across each of the control electrodes is controlled to switch each of the semi-conductive antenna bodies between their insulation state and their conductive state.

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