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:
Jul. 19, 2022
Filed:
Mar. 25, 2020
Yamaha Corporation, Hamamatsu, JP;
Akihiko Nozaki, Hamamatsu, JP;
YAMAHA CORPORATION, Hamamatsu, JP;
Abstract
A diaphragm for a speaker includes; a diaphragm body configured to provide different stiffness along different directions extending from a center of the diaphragm body to a periphery of the diaphragm body, with a largest stiffness value provided along a first direction extending between the center and the periphery of the diaphragm body; and a protector including a first rib extending in one of the first direction or a second direction, where the stiffness is less than the largest stiffness value, intersecting the first direction.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile