High fidelity noise-excluding earphones with ergonomically...

Details High fidelity noise-excluding earphones with ergonomically... High fidelity noise-excluding earphones with ergonomically...

2011-08-02

2011-08-02

Kuntz, Curtis (Department: 2614)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Plural or compound reproducers

C381S328000, C381S325000

Reexamination Certificate

active

07991179

ABSTRACT:
An insert high fidelity earphone is provided in which a hollow housing is connected to two tubes. A first tube is connected to the hollow housing on one side, and on the other side is inserted into an ear tip that ensures substantial sealing of the ear canal. A second tube is connected to hollow housing on one side and houses a cable that connects circuitry in the hollow housing to an audio source. The first tube comprises a damping assembly. The first tube comprises grooves on the inside wall that ensure that the damping assembly only fits in one orientation, which is the correct orientation. The damping assembly may be easily replaceable, without having to replace the entire earphone. The earphone may have a curved shape providing a comfortable and nearly invisible fit into the ear canal.

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patent: 2003/0085070 (2003-05-01), Wickstrom
patent: 2007/0154052 (2007-07-01), Gantz

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