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:
Oct. 08, 2013
Filed:
Jun. 11, 2007
Masahide Sumiyama, Mie, JP;
Satoshi Koura, Mie, JP;
Yoshimichi Kajihara, Osaka, JP;
Koji Sano, Mie, JP;
Kazuki Honda, Mie, JP;
Satoshi Itoh, Mie, JP;
Shuji Saiki, Nara, JP;
Toshiyuki Matsumura, Osaka, JP;
Shinya Mizone, Mie, JP;
Masahide Sumiyama, Mie, JP;
Satoshi Koura, Mie, JP;
Yoshimichi Kajihara, Osaka, JP;
Koji Sano, Mie, JP;
Kazuki Honda, Mie, JP;
Satoshi Itoh, Mie, JP;
Shuji Saiki, Nara, JP;
Toshiyuki Matsumura, Osaka, JP;
Shinya Mizone, Mie, JP;
Panasonic Corporation, Osaka, JP;
Abstract
According to the present invention, there is provided a speaker for use in audio/video apparatuses and a small-sized speaker device capable of realizing preferable reproduction a bass sounds. In order to attain this, in the present invention, a pressure adjusting body is coupled to a portion of a magnetic circuit or a frame, which is a component of a speaker unit, to constitute the speaker unit. The speaker unit is mounted to a small-sized cabinet to constitute a speaker device, which enables realization of preferable reproduction of bass sounds.