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ROTATING FIELD INDUCTIVE DATA TELEMETRY AND POWER TRANSFER IN AN IMPLANTABLE MEDICAL DEVICE SYSTEM

  • US 20090069869A1
  • Filed: 09/11/2007
  • Published: 03/12/2009
  • Est. Priority Date: 09/11/2007
  • Status: Abandoned Application
First Claim
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1. An external device useable to transfer power or data to an implantable medical device, comprising:

  • transmitter circuitry, wherein the transmitter circuitry produces a signal to drive two coils, wherein the two coils are wrapped around axes oriented at a non-zero angle with respect to each other,wherein the signal is phase shifted at one of the coils when compared to the other coil to produce a rotating magnetic field for transferring the power or data to the implantable medical device.

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