The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 30, 2010
Filed:
Nov. 18, 2005
Osamu Funahashi, Osaka, JP;
Seiichi Yoshida, Osaka, JP;
Kimihiro Ando, Mie, JP;
Kazuyoshi Umemura, Mie, JP;
Osamu Funahashi, Osaka, JP;
Seiichi Yoshida, Osaka, JP;
Kimihiro Ando, Mie, JP;
Kazuyoshi Umemura, Mie, JP;
Panasonic Corporation, Osaka, JP;
Abstract
Voice coil body of a loudspeaker is provided at the outer circumferential wall surface with a supporting section. Diameter of the inner circumference of suspension holder is greater than outer diameter of the voice coil body while diameter of the inner circumference of diaphragm is greater than diameter of the inner circumference of suspension holder for facilitating a gluing of the inner circumferential end of suspension holder and the inner circumferential end of diaphragm on the supporting section and to the voice coil body. By so doing, harmonic distortion of a loudspeaker can be further reduced.