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:
Feb. 01, 2011
Filed:
May. 12, 2009
Takanori Fukuyama, Mie, JP;
Tomoyasu Takase, Mie, JP;
Koji Sano, Mie, JP;
Hiroshi Yano, Mie, JP;
Masanori Nakano, Mie, JP;
Shigeru Tomoeda, Mie, JP;
Kazuki Honda, Mie, JP;
Kazuya Yamasaki, Osaka, JP;
Kazutaka Kubo, Mie, JP;
Takeshi Shimokawatoko, Mie, JP;
Mitsutaka Enomoto, Mie, JP;
Masahide Sumiyama, Mie, JP;
Takanori Fukuyama, Mie, JP;
Tomoyasu Takase, Mie, JP;
Koji Sano, Mie, JP;
Hiroshi Yano, Mie, JP;
Masanori Nakano, Mie, JP;
Shigeru Tomoeda, Mie, JP;
Kazuki Honda, Mie, JP;
Kazuya Yamasaki, Osaka, JP;
Kazutaka Kubo, Mie, JP;
Takeshi Shimokawatoko, Mie, JP;
Mitsutaka Enomoto, Mie, JP;
Masahide Sumiyama, Mie, JP;
Panasonic Corporation, Osaka, JP;
Abstract
An edge () for supporting a diaphragm assembly () with respect to a frame () is bonded to the frame () along the outer periphery thereof and joined to a diaphragm () in a position more peripherally inward than a voice coil () along the inner periphery thereof. The edge () partly overlaps diaphragm (). This structure allows downsizing of the speaker, without reducing the sizes of a permanent magnet () and the edge ().