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. 02, 2012
Filed:
Jul. 01, 2005
Applicants:
Hamid Sheikhzadeh Nadjar, Waterloo, CA;
Todd Schneider, Waterloo, CA;
Robert L. Brennan, Kitchener, CA;
Inventors:
Hamid Sheikhzadeh Nadjar, Waterloo, CA;
Todd Schneider, Waterloo, CA;
Robert L. Brennan, Kitchener, CA;
Assignee:
Semiconductor Components Industries, LLC, Phoenix, AZ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F 11/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method and system for active noise cancellation is provided. The system employs subband processing, and preferably implements over-sampled filterbank. The system is applicable to adaptive noise cancellation, adaptive echo cancellation for portable listening devices, such as headsets and other similar listening devices.