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Miniature transponders

  • US 7,825,869 B2
  • Filed: 06/23/2008
  • Issued: 11/02/2010
  • Est. Priority Date: 07/03/2007
  • Status: Active Grant
First Claim
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1. A miniature transponder, comprising:

  • a capsule enclosure;

    a magnetic antenna core positioned within the capsule enclosure to provide an integrated circuit receiving space within the capsule enclosure, the integrated circuit receiving space being located adjacent a side of the antenna core within the capsule enclosure;

    a wire wound around the antenna core having two wire ends extending into the integrated circuit receiving space;

    an integrated circuit positioned within the integrated circuit receiving space without being mounted to the antenna core, the integrated circuit being electrically coupled to the two wire ends and not otherwise electrically coupled to the antenna core; and

    a material injected within the capsule enclosure to secure the antenna core and the integrated circuit in a fixed relationship within the capsule enclosure.

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