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:
Mar. 27, 2012
Filed:
Dec. 26, 2010
Applicant:
Tao Shen, Shenzhen, CN;
Inventor:
Tao Shen, Shenzhen, CN;
Assignees:
AAC Acoustic Technologies (Shenzhen) Co., Ltd., Shenzhen, CN;
AAC Technologies Pet.Ltd., Singapore, SG;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G10K 13/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a compound membrane and an acoustic device including such a compound membrane. The compound membrane includes a central layer, a first glue layer attached to one side of the central layer, a second glue layer attached to another side of the central layer, an upper layer provided on the first glue layer, and a lower layer provided beneath the second glue layer. The anti-fatigue performance of the compound membrane is desirable.