Vehicle accessory microphone

  • US 8,682,005 B2
  • Filed: 10/13/2008
  • Issued: 03/25/2014
  • Est. Priority Date: 11/19/1999
  • Status: Active Grant
First Claim
Patent Images

1. A vehicle accessory comprising:

  • an accessory housing for attaching to a vehicle;

    at least one transducer carried by the accessory housing; and

    a microphone interface circuit electrically coupled between the transducers and a remote processing circuit located remote from the vehicle accessory where the microphone interface circuit includes an inverted comb filter for eliminating predetermined frequencies between harmonics of the human voice in a predetermined frequency range.

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