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Electronic stethoscope

  • US 4,594,731 A
  • Filed: 11/09/1984
  • Issued: 06/10/1986
  • Est. Priority Date: 11/09/1984
  • Status: Expired due to Fees
First Claim
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1. An electronic stethoscope comprisinga phonocardio transducer for converting physical vibrations into corresponding alternating current electrical signals,frequency multiplier means for multiplying the frequency of said signals by a predetermined number and,reproducer means supplied with said frequency multiplied signals for audibly reproducing said frequency multiplied signals.

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