Multi-point drive type speaker

Details Multi-point drive type speaker Multi-point drive type speaker

1996-09-03

1998-11-24

Tran, Sinh

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Electromagnetic

381407, 381422, 381424, H04K 2500

Patent

active

058418806

ABSTRACT:
A light and cost effective speaker is provided which is suitable for a vehicle mount speaker, thin, and has a broad reproduction frequency band. Like a cone diaphragm and a center cap or the like, the cone diaphragm having a valley at the junction point with the center cap is integrally mounted with the center cap, and a plurality of voice coils, preferably three or more voice coils, are radially disposed along the valley or at the area near the valley to drive the diaphragm.

REFERENCES:
patent: 2197649 (1940-04-01), Neuscholtz
patent: 2551556 (1951-09-01), Brennan
patent: 5594805 (1997-01-01), Sakamoto et al.
patent: 5682436 (1997-10-01), Sakamoto et al.

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