Telescoping loudspeaker has multiple voice coils

Details Telescoping loudspeaker has multiple voice coils Telescoping loudspeaker has multiple voice coils

1998-06-25

2000-02-29

Le, Huyen

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Electromagnetic

381398, 381403, 181171, H04R 2500

Patent

active

060319259

ABSTRACT:
A loudspeaker has a chassis, a cone, an actuator and a sub-frame. The actuator is coupled between the chassis and the diaphragm. The sub-frame is flexibly coupled to the chassis and the diaphragm. The diaphragm is flexibly suspended from the chassis. The actuator directly drives both the diaphragm and the sub-frame through coils attached to the cone and to the sub-frame.

REFERENCES:
patent: 5323469 (1994-06-01), Scholtz
patent: 5604815 (1997-02-01), Paddock
patent: 5847333 (1998-12-01), D'Hoogh

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