Bone-conduction handset

Details Bone-conduction handset Bone-conduction handset

2006-07-24

2009-12-29

Ni, Suhan (Department: 2614)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Body contact wave transfer

C381S380000

Reexamination Certificate

active

07639825

ABSTRACT:
The object is to provide a bone-conduction handset, which has its main body (1) sufficiently isolated from a bone-conduction speaker unit (3) so that: the chances that howling and sound leaking may occur are reduced; and, the handset is improved in easiness in use. In the handset, the speaker unit (3) is mounted on the main body (1) through a speaker mounting member (2) made of a vibration-proof material. The mounting member (2) is characterized by comprising a connection portion (6), which is disposed perpendicularly to both the handset body (1) and the speaker unit (3) in a manner such that the main body (1) and the speaker unit (3) have their opposed inner surfaces disposed adjacent to opposite sides of the connection portion (6), whereby the main body (1) is isolated from the speaker unit (3).

REFERENCES:
patent: 2245835 (1941-06-01), Rudolph
patent: 3980842 (1976-09-01), Weisbrich
patent: 2003/0083116 (2003-05-01), Fukuda
patent: 2006/0285679 (2006-12-01), Fukuda
patent: 2006/0286998 (2006-12-01), Fukuda
patent: 8-102780 (1996-04-01), None
patent: 2003-348209 (2003-12-01), None
patent: 2004-312171 (2004-11-01), None

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