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:
Jul. 08, 2008
Filed:
Mar. 05, 2004
Applicants:
Zhi Yu Yang, Hong Kong, CN;
Weijia Wen, Hong Kong, CN;
Ping Sheng, Hong Kong, CN;
Xixiang Zhang, Hong Kong, CN;
Inventors:
Zhi Yu Yang, Hong Kong, CN;
Weijia Wen, Hong Kong, CN;
Ping Sheng, Hong Kong, CN;
Xixiang Zhang, Hong Kong, CN;
Assignee:
RSM Technologies Limited, Hong Kong, CN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E04B 1/82 (2006.01);
U.S. Cl.
CPC ...
Abstract
There is disclosed a sound attenuation panel comprising, a rigid frame divided into a plurality of individual cells, a sheet of a flexible material, and a plurality of weights. Each weight is fixed to the sheet of flexible material such that each cell is provided with a respective weight and the frequency of the sound attenuated can be controlled by suitable selecting the mass of the weight.