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Hearing faculty testing and apparatus therefor

  • US 4,374,526 A
  • Filed: 10/10/1979
  • Issued: 02/22/1983
  • Est. Priority Date: 02/10/1978
  • Status: Expired due to Term
First Claim
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1. Hearing faculty apparatus comprising:

  • an aural probe for insertion in the external canal of a subject'"'"'s ear,an electroacoustic transducer detector mounted in said probe to generate signals in response to sound pressure waves returned through said canal by reflection within the associated inner ear and reaction elsewhere, andsignal separation means connected with said transducer to extract, for retention from said signals, components thereof representing substantially exclusively only said inner ear reflection.

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