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Method and apparatus for passive heart rate detection

  • US 6,210,344 B1
  • Filed: 03/24/1999
  • Issued: 04/03/2001
  • Est. Priority Date: 03/24/1999
  • Status: Expired due to Fees
First Claim
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1. An analytical apparatus, comprising:

  • a stethoscope;

    a transducer operationally coupled to the stethoscope and adapted to convert heartbeat sound impulses received by the stethoscope into electrical output impulses;

    a microprocessor electrically connected to the transducer and adapted to receive the electrical output impulses from the transducer and further adapted to produce an microprocessor output signal; and

    a visual display electrically connected to the microprocessor and adapted to receive and display the microprocessor output signal.

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