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Ear defender with concha simulator

  • US 8,638,963 B2
  • Filed: 05/28/2010
  • Issued: 01/28/2014
  • Est. Priority Date: 06/01/2009
  • Status: Active Grant
First Claim
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1. A hearing protection system with talk-through, comprising a pair of earcups, each earcup comprising:

  • a) a rigid earcup shell;

    b) a concha simulator within the earcup shell, comprising a volume between 2.32 cc and 6.17 cc simulating a volume of a concha of a human ear, coupled to an opening in the rigid earcup shell;

    c) a microphone acoustically coupled to the concha simulator;

    d) an amplifier coupled to the microphone; and

    e) an audio transducer coupled to the amplifier to generate sound in a user'"'"'s ear canal.

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