Bone conduction speaker

Details Bone conduction speaker Bone conduction speaker

2005-01-04

2005-01-04

Kuntz, Curtis (Department: 2643)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Body contact wave transfer

C381S326000, C381S380000

Reexamination Certificate

active

06839443

ABSTRACT:
A bone conduction speaker, in which a sound is sufficiently improved in tone quality by suppressing an unnecessary vibration of a vibration system and preventing generation of an abnormal sound due to an abnormal resonance, comprise: a bone conduction speaker unit constructed of a yoke, a voice coil, a magnet, a vibrating plate and a vibration block integrated with the vibrating plate; and, a housing which contains the bone conduction speaker unit to function as a vibrating portion; wherein; the vibration block of the bone conduction speaker unit is fixedly mounted on an upper surface of the interior of the housing; and, the yoke is supported by the damping member which is disposed inside the housing.

REFERENCES:
patent: 2459325 (1949-01-01), Hugh
patent: 4843628 (1989-06-01), Hofer
patent: 20030048913 (2003-03-01), Lee et al.
patent: 29-14924 (1954-11-01), None
patent: 60-84096 (1985-05-01), None

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