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Physically small spiral antenna

  • US 7,586,462 B1
  • Filed: 01/08/2008
  • Issued: 09/08/2009
  • Est. Priority Date: 01/29/2007
  • Status: Active Grant
First Claim
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1. A dipole antenna, comprising:

  • two spiral wire elements providing unbalanced radio frequency current,wherein said spiral wire elements of said antenna resonates at frequencies without the need for additional devices or components to achieve resonance,wherein said spiral wire elements of said antenna are directly connected to a transmission line, the connection between said transmission line and said spiral elements is made on any portion of said spiral wire elements, and providing impedance matching to the circuit feeding radio frequency energy to said antenna without the need for additional devices or components to achieve impedance matching, andwherein said spiral wire elements radiate a majority of the radio frequency energy.

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