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. 09, 2021
Filed:
Aug. 24, 2020
Applicant:
Jvckenwood Corporation, Yokohama, JP;
Inventors:
Takahiro Kubota, Yokohama, JP;
Yasunari Takabatake, Yokohama, JP;
Yuji Negishi, Yokohama, JP;
Kazuyuki Inagaki, Yokohama, JP;
Assignee:
JVCKENWOOD CORPORATION, Yokohama, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04R 7/12 (2006.01); H04R 7/18 (2006.01);
U.S. Cl.
CPC ...
H04R 7/12 (2013.01); H04R 7/18 (2013.01); H04R 2307/207 (2013.01);
Abstract
One or more holes are formed in a first diaphragm. A second diaphragm is arranged on a sound emitting side of the first diaphragm. A driver includes a magnetic circuit and a voice coil, and vibrates the first and second diaphragms. The second diaphragm includes a rigidity-reinforcing portion in which a rigidity of the second diaphragm is reinforced at a position facing at least one hole of the one or more holes.