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Communication and charging circuitry for a single-coil implantable medical device

  • US 9,070,507 B2
  • Filed: 02/26/2014
  • Issued: 06/30/2015
  • Est. Priority Date: 10/24/2011
  • Status: Active Grant
First Claim
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1. Circuitry for an implantable medical device, comprising:

  • a resonant circuit comprising a coil and configured to produce an AC voltage;

    a rectifier configured to receive the AC voltage at a rectifier input and to produce a DC voltage at a rectifier output;

    a first capacitance; and

    a first switch controllable to couple or decouple the first capacitance to or from the rectifier output to control a resonant frequency of the resonant circuit.

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