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Electrocardiograph and blood pressure signals simulator

  • US 8,650,415 B2
  • Filed: 02/04/2011
  • Issued: 02/11/2014
  • Est. Priority Date: 08/22/2006
  • Status: Active Grant
First Claim
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1. A physiological waveform simulator comprising:

  • a microcontroller writing a physiological waveform value to a digital-to-analog converter (DAC) wherein the DAC has a reference voltage; and

    wherein a positive supply voltage to the physiological waveform simulator is drawn from a monitor excitation signal and a negative supply voltage to the physiological waveform simulator is drawn from an output of a charge pump inverter driven by the monitor excitation signal.

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