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System method and apparatus including hybrid spiral antenna

  • US 10,381,719 B2
  • Filed: 03/06/2017
  • Issued: 08/13/2019
  • Est. Priority Date: 12/23/2011
  • Status: Active Grant
First Claim
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1. A spiral antenna comprising:

  • a first polygonal group including first and second antenna loops mutually sharing a first generally polygonal shape, and respectively having segments that increase in length monotonically with respect to an outward direction along respective longitudinal paths of said first and second antenna loops;

    a second polygonal group including third and fourth antenna loops mutually sharing a second generally polygonal shape, and respectively having segments that increase in length monotonically with respect to an outward direction along respective longitudinal paths of said third and fourth antenna loops, said second polygonal shape being substantially different from said first polygonal shape, said second polygonal group being disposed generally coaxial to and generally coplanar with said first polygonal group; and

    an interpolated loop, said interpolated loop being disposed generally mutually coaxial to and generally coplanar with said first polygonal group and said second polygonal group and being disposed radially between said first polygonal group and said second polygonal group, and having segments that increase and decrease non-monotonically with respect to an outward direction along a longitudinal path of said interpolated loop.

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