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:
Dec. 06, 2011

Filed:

Jun. 25, 2009
Applicants:

Kai-li Jiang, Beijing, CN;

Lin Xiao, Beijing, CN;

Zhuo Chen, Beijing, CN;

Chen Feng, Beijing, CN;

Shou-shan Fan, Beijing, CN;

Yuan-chao Yang, Beijing, CN;

Inventors:

Kai-Li Jiang, Beijing, CN;

Lin Xiao, Beijing, CN;

Zhuo Chen, Beijing, CN;

Chen Feng, Beijing, CN;

Shou-Shan Fan, Beijing, CN;

Yuan-Chao Yang, Beijing, CN;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 25/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A sound wave generator includes one or more carbon nanotube film. The carbon nanotube film includes a plurality of carbon nanotubes joined end to end by van der Waals attractive force therebetween. At least part of the one or more carbon nanotube film is supported by a supporting element. The one or more carbon nanotube film produces sound by means of the thermoacoustic effect.


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