Ambient noise isolation audio headphones having a layered...

Details Ambient noise isolation audio headphones having a layered... Ambient noise isolation audio headphones having a layered...

2006-01-17

2010-12-14

Ni, Suhan (Department: 2614)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Plural or compound reproducers

C381S370000, C381S371000

Reexamination Certificate

active

07853034

ABSTRACT:
An audio headphone apparatus having ambient noise isolation properties for musicians and sound engineers which allows a user to substantially attenuate ambient noise levels and focus on the electronic audio presented to the headphones. The apparatus utilizes a unique layering of absorber materials with unique geometric shapes which in combination highly attenuate external ambient acoustic energy and control undesirable “boomy” bass response. The apparatus further utilizes a desiccant material within the ear cuff cover which helps to absorb perspiration or other moisture.

REFERENCES:
patent: 4523661 (1985-06-01), Scalzo et al.
patent: 5133016 (1992-07-01), Clark
patent: 6731771 (2004-05-01), Cottrell

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