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:
Jul. 18, 2006
Filed:
Sep. 12, 2001
Katsuya Shimomura, Mie, JP;
Shinsaku Sawa, Mie, JP;
Shuji Ido, Osaka, JP;
Shigeru Nishida, Osaka, JP;
Katsuya Shimomura, Mie, JP;
Shinsaku Sawa, Mie, JP;
Shuji Ido, Osaka, JP;
Shigeru Nishida, Osaka, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
A loudspeaker has a magnetic circuit, a plastic frame to be coupled with the magnetic circuit, a voice coil disposed in a magnetic gap of the magnetic circuit, and a diaphragm connected with the voice coil. The frame and the magnetic circuit are coupled together by an elastic fastener provided on the frame. The frame and yoke are coupled together by fitting a plurality of elastic fasteners provided on a circle on a bottom surface of the frame with a yoke of the magnetic circuit. The elastic fastener can also be a clip section provided on a circle on the bottom surface of the frame. The frame and magnetic circuit are coupled together by the clip section and an extension provided along an outer circumference of the magnetic circuit.