Oval speaker apparatus and method of manufacturing the same

Details Oval speaker apparatus and method of manufacturing the same Oval speaker apparatus and method of manufacturing the same

2007-05-22

2007-05-22

Ni, Suhan (Department: 2615)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Electromagnetic

C381S407000

Reexamination Certificate

active

11053890

ABSTRACT:
An oval speaker apparatus includes a diaphragm whose outer peripheral shape in a plan view is oval or elliptical; an oval or elliptical voice coil for driving the diaphragm; an edge which is joined to an outer periphery of the diaphragm; and a frame to which an outer peripheral edge of the edge is fixed. Further, lead wire which is led out from the voice coil is wired so as to traverse the surface of the edge along the minor-axis direction of the diaphragm, and is provided with slack.

REFERENCES:
patent: 3935400 (1976-01-01), Koga
patent: 4376233 (1983-03-01), Kamon et al.
patent: 6404896 (2002-06-01), Yoo et al.
patent: 6594372 (2003-07-01), Nakaso
patent: 6597798 (2003-07-01), Nakazono et al.
patent: 8-223687 (1996-08-01), None

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