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Body activity monitor using piezoelectric transducers on arms and legs

  • US 4,757,453 A
  • Filed: 03/25/1986
  • Issued: 07/12/1988
  • Est. Priority Date: 03/25/1986
  • Status: Expired due to Fees
First Claim
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1. The method of directly transducing the body activity waves from the body limbs, comprising the steps of:

  • connecting a piezoelectric transducer to an elastic strip to form a transducer assembly,applying one said transducer assembly on each of the four (4) major body limbs, andconverting each of the transducer signals into unipolar voltage waveforms directly proportional to the activity energy they represent.

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