Low sound attenuating hearing protection device with filter...

Details Low sound attenuating hearing protection device with filter... Low sound attenuating hearing protection device with filter...

2007-02-09

2011-11-08

Faulk, Devona (Department: 2614)

Electrical audio signal processing systems and devices

Hearing protectors, electrical

C381S322000, C381S328000

Reexamination Certificate

active

08054985

ABSTRACT:
A hearing protection device including a sound attenuating portion configured to be disposed within an ear canal of a user to obstruct a passage of sound, a channel formed through the sound attenuating portion configured to allow sound to pass through the sound attenuating portion when the portion is disposed within the ear canal, a tube disposed in the channel and configured to allow the sound in the channel to pass therethrough, and a filter disposed at one end of the tube and positioned at an interior of the sound attenuating portion, where the filter attenuates some of the sound passing through the tube.

REFERENCES:
patent: 3080011 (1963-03-01), Henderson
patent: 3131241 (1964-04-01), Mendelson
patent: 4461290 (1984-07-01), Gardner et al.
patent: 5113967 (1992-05-01), Killion et al.
patent: 5936208 (1999-08-01), Hamery
patent: 6938622 (2005-09-01), Huang
patent: 7162039 (2007-01-01), Callahan
patent: 2003/0081805 (2003-05-01), Fushimi
patent: 2249070 (1997-03-01), None
patent: 0955025 (1999-11-01), None
patent: 1046382 (2000-10-01), None
patent: 92129573 (2003-10-01), None
patent: 9718779 (1997-05-01), None
patent: 0176520 (2001-10-01), None
patent: 2005041830 (2005-05-01), None
International Search Report PCT/US2008/001607; Dated Sep. 3, 2008.

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