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Multiple Frequency Antenna

  • US 20090284441A1
  • Filed: 10/11/2007
  • Published: 11/19/2009
  • Est. Priority Date: 12/12/2006
  • Status: Active Grant
First Claim
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1. A multi-frequency antenna comprising:

  • an insulation support member formed in a rod shape and having a groove portion of a predetermined length formed on the outer periphery thereof from the one end thereof substantially parallel along the central axis thereof;

    a helical element wound around the outer periphery of the support member, to the helical element, power is supplied from the one end thereof, and the helical element is operated in a first frequency band;

    a line-shaped element disposed in the groove portion formed in the support member, to the line-shaped element, power is supplied from the end thereof and the line-shaped element is operated in a second frequency band; and

    an element fitting fitted with the one end of the support member, electrically connected to the one end of the helical element and to the end of the line-shaped element, and having an attachment portion formed in the lower portion thereof,wherein the power is supplied to the helical element and the line-shaped element through the element fitting.

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