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:
Mar. 19, 2024
Filed:
Feb. 01, 2022
Yamaha Corporation, Shizuoka, JP;
Kenta Ioku, Shizuoka, JP;
Masumi Adachi, Shizuoka, JP;
YAMAHA CORPORATION, Shizuoka, JP;
Abstract
A sound diffuser includes a first annular control member, a second annular control member, and a third annular control member. The first annular control member includes a first communication hole and an annular inclined plate that surrounds the first communication hole and is inclined relative to an axial direction of the first communication hole. The second annular control member includes a second communication hole and an annular inclined plate that surrounds the second communication hole, houses the first annular control member therein, and is inclined relative to an axial direction of the second communication hole. The third annular control member has a plurality of third communication holes and surrounds the second annular control member.