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. 04, 2014
Filed:
Feb. 23, 2012
Applicants:
Hiroyuki Takewa, Osaka, JP;
Shinya Kagawa, Mie, JP;
Inventors:
Hiroyuki Takewa, Osaka, JP;
Shinya Kagawa, Mie, JP;
Assignee:
Panasonic Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 9/06 (2006.01); H04R 9/04 (2006.01); H04R 7/12 (2006.01);
U.S. Cl.
CPC ...
H04R 7/12 (2013.01); H04R 9/06 (2013.01); H04R 9/04 (2013.01);
Abstract
A speaker () includes a cylindrical diaphragm () which has closed ends, an edge () which supports the diaphragm () in a manner which allows the diaphragm to vibrate, a voice coil bobbin () around which a voice coil () is wound and which is connected to the diaphragm (), and a magnetic circuit for driving the voice coil ().