Surrounding structure of a loudspeaker

Details Surrounding structure of a loudspeaker Surrounding structure of a loudspeaker

2006-05-30

2006-05-30

Ni, Suhan (Department: 2646)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Electromagnetic

C381S386000, C181S172000

Reexamination Certificate

active

07054459

ABSTRACT:
The surrounding structure of the loudspeaker forms an annular structure, including attaching parts and curved part. The cross section of the curved part is in a hollow and approximately elliptical form. The height along the major axis of the ellipse is made parallel to the center axis of the vibrating diaphragm of the loudspeaker while the width along the major axis of the ellipse is set in the direction orthogonal to the center axis of the vibrating diaphragm. In the elliptical surrounding structure having such a structure, the width in the cross section of the surrounding structure of the loudspeaker can be made narrow in comparison with a semi-circular surround, whereby the linearity of the amplitude and the maximum displacement are increased.

REFERENCES:
patent: 3997023 (1976-12-01), White
patent: 6889796 (2005-05-01), Pocock et al.
patent: 61-276499 (1986-12-01), None
patent: 3127669 (2000-11-01), None

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