Earphone ambient eartip

Details Earphone ambient eartip Earphone ambient eartip

2006-02-27

2011-10-04

Goins, Davetta W (Department: 2614)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Plural or compound reproducers

C381S381000, C381S322000, C381S328000, C181S130000, C181S135000

Reexamination Certificate

active

08031900

ABSTRACT:
An eartip that includes at least one acoustic material filled port is provided. The port and the acoustic material contained therein provide the eartip with a controlled acoustic leakage path, thus allowing the user to tailor the performance of the earphones to which the eartips of the invention are attached. The provided eartip is attachable to a standard, generic earpiece, for example through the use of interlocking members (e.g., channel/lip arrangement). At least one port, in addition to the central opening by which the eartip is attached to the earphone, extends through the eartip. The port can have a circular cross-section, arcuate cross-section, or other shape. If desired, for example to increase the port area, the eartip can be designed with multiple ports surrounding the central opening. Within the port is an acoustic material with the desired acoustic impedance. The eartip can be coded to allow identification of the acoustic qualities of a particular eartip.

REFERENCES:
patent: 4375016 (1983-02-01), Harada
patent: 5729605 (1998-03-01), Bobisuthi et al.
patent: 7079662 (2006-07-01), Niederdr
patent: 7627131 (2009-12-01), Nielsen et al.
patent: 2002/0139607 (2002-10-01), Wubker
patent: 2005/0249369 (2005-11-01), Angst et al.
patent: 2006/0137934 (2006-06-01), Kurth

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