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:
Aug. 30, 2016
Filed:
Dec. 10, 2014
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 1/20 (2006.01); H04R 9/06 (2006.01); H04R 9/02 (2006.01); H04R 1/10 (2006.01); H04R 9/04 (2006.01); H04R 9/10 (2006.01); H04R 25/00 (2006.01);
U.S. Cl.
CPC ...
H04R 9/06 (2013.01); H04R 9/027 (2013.01); H04R 1/10 (2013.01); H04R 9/046 (2013.01); H04R 9/10 (2013.01); H04R 25/00 (2013.01); H04R 2499/11 (2013.01); H04R 2499/13 (2013.01);
Abstract
A speaker includes a diaphragm and a magnetic circuit, a plurality of acoustic paths that provide connection between a space formed on a side including the magnetic circuit with respect to the diaphragm and a space exterior to the speaker are formed in the magnetic circuit, and the plurality of acoustic paths include a first acoustic path and a second acoustic path that differs in acoustic impedance from the first acoustic path.