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. 04, 2009
Filed:
Apr. 23, 2004
Applicants:
Jorge L. Garcia, Plantation, FL (US);
Peter M. Pavlov, Plantation, FL (US);
Jianfeng Shi, Sunrise, FL (US);
David M. Yeager, Boca Raton, FL (US);
Inventors:
Jorge L. Garcia, Plantation, FL (US);
Peter M. Pavlov, Plantation, FL (US);
Jianfeng Shi, Sunrise, FL (US);
David M. Yeager, Boca Raton, FL (US);
Assignee:
Motorola, Inc., Schaumburg, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 29/00 (2006.01); G01M 3/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
A communication device () is provided with a technique () for self-diagnosing an air leak. The leak is determined without having to open the communication device by applying a temporary excitation signal to the speaker terminals () to produce a damped response () and then monitoring the damped response () of the speaker.