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:
Oct. 28, 2003
Filed:
Dec. 11, 2001
Applicant:
Inventor:
Jason Darrell McIntosh, Weston, FL (US);
Assignee:
Motorola, Inc., Schaumburg, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03B 2/900 ; H04M 7/00 ;
U.S. Cl.
CPC ...
H03B 2/900 ; H04M 7/00 ;
Abstract
A communication device ( ) includes an earpiece ( ), a sensor ( ), and an active equalization circuit ( ). The earpiece ( ) transmits an acoustic output signal ( ) from the communication device ( ). The sensor ( ) is proximately located with the earpiece ( ) and measures an acoustic pressure ( ) at the earpiece ( ) and generates a response signal ( ). The active equalization circuit ( ) is coupled to the sensor ( ) and equalizes the acoustic output signal ( ) using the response signal ( ).