Headphone

Details Headphone Headphone

2006-07-04

2006-07-04

Ni, Suhan (Department: 2646)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Plural or compound reproducers

C381S378000, C381S370000

Reexamination Certificate

active

07072483

ABSTRACT:
A headphone has a headband and two earpieces each connected to the headband so as to be pivotable relative thereto. When assuming a Cartesian coordinate system having a Z plane that is a symmetry plane of the headphone, having a Y plane that is positioned perpendicularly to the Z plane and extends through a center of the headband, and having an X plane that is positioned perpendicularly to the Z and Y planes at any desired height, a pivot axis is provided between the headband and the earpiece, respectively, wherein the pivot axis is positioned at an angle of at least 10° relative to the X, Y, and Z planes, respectively.

REFERENCES:
patent: 5117464 (1992-05-01), Jones et al.
patent: 25 40 839 (1976-04-01), None
patent: 26 42 786 (1978-04-01), None
patent: 32 25 812 (1983-02-01), None
patent: 0 994 636 (2000-04-01), None
patent: 101 74 187 (1998-06-01), None

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