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. 13, 2018
Filed:
Aug. 21, 2015
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventors:
Kazuki Honda, Osaka, JP;
Mitsukazu Kuze, Okayama, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 9/04 (2006.01); H04R 9/06 (2006.01); H04R 7/04 (2006.01); H04R 7/18 (2006.01); H04R 9/02 (2006.01);
U.S. Cl.
CPC ...
H04R 9/045 (2013.01); H04R 7/04 (2013.01); H04R 9/06 (2013.01); H04R 7/18 (2013.01); H04R 9/025 (2013.01); H04R 2201/028 (2013.01); H04R 2499/13 (2013.01);
Abstract
A loudspeaker includes a frame, a diaphragm, an edge, a magnetic circuit, and a voice coil body. The magnetic circuit includes a magnet and a bottom plate. The bottom plate includes an installation part and a plurality of arms. The installation part is located on the first side of the magnet and is magnetically connected to the magnet. The arms project from the installation part toward the outer periphery and are connected to the frame.