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. 26, 2019
Filed:
Mar. 07, 2019
Jvc Kenwood Corporation, Yokohama-shi, Kanagawa, JP;
Akihide Shigihara, Yokohama, JP;
Masatake Onishi, Yokohama, JP;
JVCKENWOOD CORPORATION, Kanagawa, JP;
Abstract
Provided is a throat and a speaker system that can properly correct a path length of a sound wave. A throat according to an embodiment includes a first side wall, a second side wall, a third side wall, and a fourth side wall. A third opposing surface of the third side wall and a fourth opposing surface of the fourth side wall are each formed into a curved surface having a convex portion and a concave portion. The convex portion and the concave portion are so disposed as to oppose each other, and the convex portion and the concave portion are so disposed as to oppose each other. Amplitudes of the curved third opposing surface and the curved fourth opposing surface gradually decrease along a direction from a reference center line to a first opposing surface or a second opposing surface.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile