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:
May. 24, 2005
Filed:
Feb. 07, 2002
Applicants:
James K. Vanderveen, Blenheim, CA;
Zhouxuan Xia, Windsor, CA;
Inventors:
James K. Vanderveen, Blenheim, CA;
Zhouxuan Xia, Windsor, CA;
Assignee:
Siemens VDO Automotive Inc., Chatham, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G10K011/16 ; H04B001/00 ;
U.S. Cl.
CPC ...
Abstract
An active noise attenuation system () comprises a speaker () in communication with a flow body (). The speaker () emits an output for attenuating noise from the flow body (). A control unit () communicates with the speaker () and controls the output. A housing () has one volume () acting as a liquid storage chamber and another volume () acting as a speaker chamber.