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Three dimensional antenna configured of shaped flex circuit electromagnetically coupled to transmission line feed

  • US 6,501,437 B1
  • Filed: 10/17/2000
  • Issued: 12/31/2002
  • Est. Priority Date: 10/17/2000
  • Status: Expired due to Term
First Claim
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1. An antenna comprising:

  • a transmission line feed formed on or within an insulating substrate;

    a support core having a first portion and a second portion; and

    a three-dimensionally shaped section of flex circuit comprising a first segment of flex circuit affixed to the first portion of said support core, conforming with the geometry of said antenna and having a generally helical shape, and a second segment of flex circuit affixed to the second portion of said support core, having a generally flat shape, positioned in spaced apart relation with and electromagnetically proximity-coupled to a portion of said transmission line feed.

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