Loudspeaker with cone-coupled damper

Details Loudspeaker with cone-coupled damper Loudspeaker with cone-coupled damper

2011-03-01

2011-03-01

Ni, Suhan (Department: 2614)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Electromagnetic

C381S404000, C381S412000, C381S420000, C381S423000

Reexamination Certificate

active

07899202

ABSTRACT:
A loudspeaker includes a circular damper, a cone, and a cylindrical bobbin. The circular damper may include a centrally disposed cone attachment protuberance and a peripherally disposed top plate attachment section. The cone may have a central inner portion that may be attached to the cone attachment protuberance of the damper. The cone may be attached to the cylindrical bobbin, which may have a voice coil coupled thereto.

REFERENCES:
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patent: 4619342 (1986-10-01), Buck
patent: 5162619 (1992-11-01), Thiele et al.
patent: 5909014 (1999-06-01), Mengel
patent: 6236733 (2001-05-01), Kato et al.
patent: 6626262 (2003-09-01), Chen
patent: 6678387 (2004-01-01), Kemmerer
patent: 6814181 (2004-11-01), Abe et al.
patent: 6865282 (2005-03-01), Weisman

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