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:
Apr. 25, 2017
Filed:
Dec. 24, 2013
Applicant:
Focal Jmlab, La Talaudiere, FR;
Inventors:
Bruno De La Nouvelle, Saint Genest Malifaux, FR;
Shintaro Hosoi, Lyons, FR;
Assignee:
FOCAL JMLAB, La Talaudiere, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 7/10 (2006.01); G10K 13/00 (2006.01); B29C 70/40 (2006.01); H04R 7/12 (2006.01); B29L 31/34 (2006.01);
U.S. Cl.
CPC ...
G10K 13/00 (2013.01); B29C 70/40 (2013.01); H04R 7/125 (2013.01); B29L 2031/3418 (2013.01); H04R 2307/021 (2013.01); H04R 2307/025 (2013.01); H04R 2307/029 (2013.01); Y10T 156/1044 (2015.01);
Abstract
The invention relates to a loudspeaker membrane having a sandwich structure, having a central web separating two layers of material based on high-rigidity threads impregnated with a polymer resin, characterized in that the central web is formed from a layer of material based on oriented natural fibers that are impregnated with a polymer resin.
De La Nouvelle, Bruno. (2017). Loudspeaker membrane and method for manufacturing such a membrane (U.S. Patent No. 9633648). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9633648
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile