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. 27, 2015
Filed:
Dec. 15, 2011
Applicants:
Yuichi Abe, Osaka, JP;
Yuki Karube, Osaka, JP;
Satoru Furuyama, Osaka, JP;
Inventors:
Assignee:
Nitto Denko Corporation, Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
G10K 11/00 (2006.01); H04R 1/08 (2006.01); B32B 27/00 (2006.01); H04M 1/18 (2006.01);
U.S. Cl.
CPC ...
G10K 11/002 (2013.01); H04R 1/086 (2013.01); B32B 27/00 (2013.01); H04M 1/18 (2013.01); H04R 2499/11 (2013.01);
Abstract
Provided is a waterproof sound-transmitting membraneincluding: a solid resin filmhaving a plurality of through holesformed therein; and a treatment layerhaving water repellency and formed on at least one of two surfaces of the resin filmthat are opposite to each other in the thickness direction. The treatment layerhas openingsat positions corresponding to the through holes. The air permeability of the waterproof sound-transmitting membraneis 100 seconds/100 mL or less in terms of Gurley number.