Loudspeaker

Details Loudspeaker Loudspeaker

1996-11-26

1998-10-13

Le, Huyen

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Electromagnetic

381403, H04R 2500

Patent

active

058224440

ABSTRACT:
A loudspeaker having a magnetizable pole piece, a voice coil member surrounding the pole piece with a portion of magnetic gap and connected to a vibratable diaphragm, and a damper supporting the voice coil member, is characterized in that an elastic member is provided between the pole piece and the voice coil member in the magnetic gap wherein an elastic member is made of an elastic material having an elastic constant substantially 1.5 times or more than that of the damper. In addition, the elastic material is made of a silicone rubber.

REFERENCES:
patent: 2090025 (1937-08-01), Brennan
patent: 2164374 (1939-07-01), Barker
patent: 2235187 (1941-03-01), Willson
patent: 3073916 (1963-01-01), Williams et al.
patent: 3160716 (1964-12-01), Luth
patent: 4017694 (1977-04-01), King

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