Ear defender with concha simulator
Patent No. 9,924,261
Issued: March 20, 2018
Inventor: Parkins; John W. (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. 14/136,967, filed Dec. 20, 2013, entitled "Ear Defender With Concha Simulator", now U.S. Patent 9,473,846, which was a continuation of application Ser. No. 12/789,942, filed May 28, 2010, now U.S. Pat. No. 8,638,963, which claimed benefit under 35 USC .sctn. 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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