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System and method for receiving telemetry data from an implantable medical device

  • US 8,768,483 B2
  • Filed: 06/19/2013
  • Issued: 07/01/2014
  • Est. Priority Date: 01/04/2001
  • Status: Expired due to Term
First Claim
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1. A method for receiving telemetry data from an implantable medical device, comprising:

  • receiving a transmitted signal modulated with data from an implantable device;

    digitizing the received signal into input signal samples;

    filtering the input samples with a matched filter having filter coefficients corresponding to a transmit pulse;

    detecting transmit pulses within the input signal samples by comparing output values of the matched filter with a pulse threshold value;

    measuring values of noise and the transmitted signal; and

    ,adjusting the pulse threshold value in accordance with measured peak values of noise and the transmitted signal.

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