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Telemetry noise reduction

  • US 8,494,648 B2
  • Filed: 02/16/2011
  • Issued: 07/23/2013
  • Est. Priority Date: 09/21/2007
  • Status: Active Grant
First Claim
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1. An implantable medical device comprising:

  • a housing;

    electronics disposed in the housing;

    a telemetry coil antenna disposed in the housing and operably coupled to the electronics; and

    a first shielding coil disposed between the housing and the telemetry antenna and having a first end and a second end, the second end being electrically terminated in circuitry of the electronics, wherein the first shielding coil comprises a wound wire having a plurality of turns.

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