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Cylindrical conformable antenna on a planar substrate

  • US 7,126,537 B2
  • Filed: 08/06/2002
  • Issued: 10/24/2006
  • Est. Priority Date: 11/22/1997
  • Status: Expired due to Term
First Claim
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1. An antenna system, comprising:

  • a substrate having first and second surfaces; and

    a complex pattern of electrically conductive material formed on said first surface, a location on said complex pattern defining a feedline feedpoint;

    wherein said complex pattern includes a surface fractal pattern and contributes an inductive loading effect to said antenna system, and said antenna system exhibits multiple frequency resonant bands that are alterable by varying said complex pattern;

    a patch adjacent said second surface and spaced-apart from said complex pattern, said patch formed from electrically conductive material and floating electrically;

    wherein said patch contributes a capacitive loading effect to said antenna system;

    wherein at least one characteristic of said antenna system is varied by at least one of orientation and size of said patch relative to said complex pattern.

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