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System and method for telemetry with an implantable medical device

  • US 7,668,600 B2
  • Filed: 01/19/2006
  • Issued: 02/23/2010
  • Est. Priority Date: 01/19/2006
  • Status: Active Grant
First Claim
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1. An implantable medical device (IMD) having a telemetry module capable of operation in a synchronous communication mode alternating between a predefined transmit window and a predefined receive window, the IMD comprising:

  • means for powering a receiver portion of the telemetry module on during each of the predefined receive window and off during the predefined transmit window;

    means for processing signals received during the predefined receive window, wherein a first portion of each received signal is a preamble;

    means for decoding the processed signals;

    means for identifying from the preamble of the decoded signals a first data set indicating that additional data will follow in a same predefined receive window, and a second data set indicating that additional data will not follow in the same predefined receive window; and

    means for powering the receiver off during a remainder of the same predefined receive window if the second data set is identified.

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