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:
Aug. 20, 2013
Filed:
Jul. 26, 2011
Applicants:
Jian-chun Cheng, Nanjing, CN;
Bin Liang, Nanjing, CN;
Juan Tu, Nanjing, CN;
Xia-sheng Guo, Nanjing, CN;
Dong Zhang, Nanjing, CN;
Inventors:
Jian-Chun Cheng, Nanjing, CN;
Bin Liang, Nanjing, CN;
Juan Tu, Nanjing, CN;
Xia-Sheng Guo, Nanjing, CN;
Dong Zhang, Nanjing, CN;
Assignees:
AAC Acoustic Technologies (Shenzhen) Co., Ltd., Shenzhen, CN;
American Audio Components Inc., La Verne, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01K 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An acoustic diode includes a phononic crystal medium, a nonlinear acoustic medium, a aluminum tubes contain the phononic crystal medium and the nonlinear acoustic medium. The phononic crystal medium is fabricated by alternately laminating a water layers and a glass layers in a periodic manner.