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Noise Rejecting Electronic Stethoscope

Acoustic-electronic stethoscope selectively amplifies medically important sounds & supresses background noise.


Researchers have developed a unique and effective device for improving the ability to transmit required sounds in noise-laden environments. This technology uses a combination of structural and electronic components that maximizes the signal to noise ratio. The stethoscope includes a novel diaphragm with dual piezoelectric sensor elements with opposing polarity and is enclosed in a convenient water-resistant housing.

  • Ability to hear abnormal heart and lung sounds in a noisy environment
  • Ability to provide quality care and confident diagnosis
  • Delivers clean electronic output for telemetry, archival storage and acoustically-based diagnostic analysis
  • Simple design is made to be very durable and water-tight
  • Easy to operate
  • Cost competitive with other devices

Additional Details


Department of Defense

Intellectual Property Protection

Patent Issued

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