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.

Date of Patent:
Mar. 27, 2012

Filed:

Dec. 26, 2010
Applicant:

Tao Shen, Shenzhen, CN;

Inventor:

Tao Shen, Shenzhen, CN;

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.


Find Patent Forward Citations

Shen, Tao. (2012). Compound membrane and acoustic device using same (U.S. Patent No. 8141676). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8141676

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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