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Traveling-wave antenna

  • US 8,504,135 B2
  • Filed: 10/27/2009
  • Issued: 08/06/2013
  • Est. Priority Date: 10/27/2008
  • Status: Expired due to Fees
First Claim
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1. An endfire aperture-based traveling-wave antenna comprising:

  • a plurality of conductors separated by a dielectric material and coupled to an antenna feed structure to cooperatively transmit and receive electromagnetic radiation, the plurality of conductors including at least a first flared conductor that flares outwardly from a longitudinal axis and a second flared conductor that flares outwardly from the longitudinal axis in an orientation opposite from the first flared conductor so as to at least partially define an aperture region therebetween; and

    a dielectric director arranged in the aperture region between the first flared conductor and the second flared conductor to provide a concentrated radiation pattern when transmitting the electromagnetic radiation;

    wherein the dielectric director comprises a material having a dielectric permittivity higher than the dielectric material that separates the conductors.

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