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:
May. 09, 2023
Filed:
Jul. 29, 2021
Applicant:
Yamaha Corporation, Shizuoka, JP;
Inventor:
Tomoaki Mori, Shizuoka, JP;
Assignee:
YAMAHA CORPORATION, Shizuoka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 1/28 (2006.01); G10K 11/178 (2006.01); H04R 1/10 (2006.01);
U.S. Cl.
CPC ...
H04R 1/2823 (2013.01); G10K 11/178 (2013.01); H04R 1/1083 (2013.01); H04R 2460/01 (2013.01); H04R 2460/11 (2013.01);
Abstract
Headphones include a speaker unit, a baffle plate that fixes the speaker unit and includes a bass reflex port disposed therein, an ear pad disposed facing toward the baffle plate, and a sound absorber that is positioned between the baffle plate and the ear pad, and that has a hole facing the bass reflex port.