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:
Dec. 15, 2015
Filed:
Jul. 29, 2013
Applicant:
Yamaha Corporation, Hamamatsu-shi, Shizuoka-ken, JP;
Inventors:
Shinichi Kato, Hamamatsu, JP;
Yoshikazu Honji, Hamamatsu, JP;
Assignee:
Yamaha Corporation, Hamamatsu-shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E04B 1/86 (2006.01); G10K 11/00 (2006.01); G10K 11/172 (2006.01); E04B 1/84 (2006.01);
U.S. Cl.
CPC ...
G10K 11/002 (2013.01); G10K 11/172 (2013.01); E04B 1/86 (2013.01); E04B 2001/8485 (2013.01);
Abstract
An acoustic structure, including a pipe having a plurality of cavities that are partitioned by a partition, each of the plurality of cavities extending in a first direction that is a longitudinal direction of the pipe, wherein the pipe has at least one opening which permits the plurality of cavities to communicate with an exterior of the pipe, a position of each of the at least one opening in the first direction being a first position.