Earphone for sound reproduction

Details Earphone for sound reproduction Earphone for sound reproduction

2005-11-08

2009-11-10

Ni, Suhan (Department: 2614)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Plural or compound reproducers

C381S370000, C381S380000

Reexamination Certificate

active

07616772

ABSTRACT:
In an aspect of the invention, a sealed earphone is provided with a nozzle, the earphone configured to be positioned in a user's ear so that the nozzle extends toward the ear canal of the user. The earphone includes a driver mounted within a housing of the earphone, the driver including a sound port acoustically sealed to the nozzle. In an embodiment, the driver may include an acoustic port that directs sound into an acoustic enclosure so as to modify the frequency response of the earphone. The earphone may include a fastener that removably mounts the nozzle to the housing so that the nozzle may be readily removed and cleaned or replaced.

REFERENCES:
patent: 5712918 (1998-01-01), Yoest
patent: 6009183 (1999-12-01), Taenzer et al.
patent: 6084976 (2000-07-01), Lin
patent: 6411722 (2002-06-01), Wolf
PCT International Search Report mailed Oct. 31, 2006, 12 pages.

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