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Techniques for sensing and adjusting a compliance voltage in an implantable stimulator device

  • US 8,781,598 B2
  • Filed: 08/20/2013
  • Issued: 07/15/2014
  • Est. Priority Date: 12/14/2005
  • Status: Active Grant
First Claim
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1. An implantable medical device, comprising:

  • a source circuit coupled to a compliance voltage, wherein the source circuit is configured to source a current to at least a first electrode;

    a sink circuit coupled to a reference voltage, wherein the sink circuit is configured to sink the current from at least a second electrode;

    voltage sensor circuitry configured to measure a first voltage across the source circuit and for measuring a second voltage across the sink circuit; and

    regulator circuitry configured to adjust the compliance voltage in accordance with the first and second voltages.

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