Speaker

Details Speaker Speaker

2006-05-09

2006-05-09

Le, Huyen (Department: 2646)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Electromagnetic

C381S391000, C381S189000, C381S423000

Reexamination Certificate

active

07043045

ABSTRACT:
An edge damper frame18bis disposed in between a part of an outer peripheral surface20aof a frame-cover20and a leveling surface14c-1of a frame14. A slope18eof a diaphragm15is extended from the edge damper frame18btoward the frame14and provided alongside an outer side surface14c-2of a convex portion14cof the frame14.

REFERENCES:
patent: 5949898 (1999-09-01), Proni
patent: 6751332 (2004-06-01), Kobayashi et al.

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