Ear defender with concha simulator

Patent No. 9,473,846

Issued: October 18, 2016
Filed: December 20, 2013

Inventor: Parkins; John W. (Philadelphia, PA)
Assignee: Red Tail Hawk Corporation (Philadelphia, PA)

A hearing protection system with talk-through having a pair of rigid earcups enclosing a microphone, amplifier and speaker. A concha simulator, having a volume simulating that of the concha of a human ear, is acoustically coupled to the microphone, and also to the outside through an opening in the earcup. By coupling the microphone to the concha simulator, instead of directly to the outside, the acoustic response of the talk-through more accurately represents the hearing of a user.

Reference to Related Applications

This is a continuation patent application of copending application Ser. No. 12/789,942, filed May 28, 2010, entitled "Ear Defender With Concha Simulator", which claimed benefit under 35 USC 119(e) of the U.S. provisional application No. 61/182,921, filed Jun. 1, 2009. The aforementioned applications are hereby incorporated herein by reference.

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