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Two active element in-the-ear microphone system

  • US 5,692,059 A
  • Filed: 02/24/1995
  • Issued: 11/25/1997
  • Est. Priority Date: 02/24/1995
  • Status: Expired due to Term
First Claim
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1. An in-the-ear bone and airborne audio pickup system for use in conjunction with systems requiring speech sound input, comprising:

  • a housing adapted for positioning at the ear canal of the user, said housing having a plurality of audio transmission paths for separately receiving low speech frequency voice-range audio signals and high speech frequency voice-range audio signals generated by the user'"'"'s voice;

    a first sound transducer means coupled to one of said plurality of audio transmission paths and adapted to be responsive to nonairborne sound;

    a second sound transducer means coupled to another of said plurality of audio transmission paths and adapted to be responsive to airborne sound;

    electronic circuit means coupled to each of said first and second sound transducer means for enhancing the quality of voice audio information received by said first and second sound transducer means;

    means for combining outputs of said electronic circuit means into a single electrical signal; and

    means for coupling said electrical signal to an external device or system.

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