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:
Oct. 18, 2016
Filed:
Sep. 05, 2015
Applicant:
Xiaobing Cai, London, CA;
Inventor:
Xiaobing Cai, London, CA;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G10K 11/16 (2006.01);
U.S. Cl.
CPC ...
G10K 11/16 (2013.01); G10K 2210/32272 (2013.01);
Abstract
A sound absorbing structure comprising a set of nesting components having increasing size, each of said components being enclosed by the next larger said component, each of said components and its next larger component defining an aperture and a cavity, and said apertures and said cavities forming a set of Helmholtz resonators having increasing size, dissipating sound energy over a wide frequency range.