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Parallel fed collinear dipole array antenna

  • US 6,720,934 B1
  • Filed: 01/25/2002
  • Issued: 04/13/2004
  • Est. Priority Date: 01/25/2001
  • Status: Expired due to Fees
First Claim
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1. An antenna for broadcasting and receiving a signal of a selected wavelength, comprising:

  • a) a plurality of elongate dipole antennas, each comprising first and second collinear tubes of electrically conductive material having opposing ends and being oriented end-to-end in a linear array with a linear spacing between opposing ends of adjacent dipole antennas;

    b) a gap spacer of dielectric material disposed between the first and second collinear tubes;

    c) a power divider configured for dividing and transmitting an in-phase signal in parallel through a transmission line to each of the dipole antennas; and

    d) wherein the linear spacing of the dipole antennas in the array is selected such that the in-phase signals of the dipole antennas interfere with each other so as to focus that portion of the signal which propagates substantially perpendicularly to the linear array, and to diminish other portions of the signal.

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