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. 29, 2006
Filed:
Sep. 27, 2000
Applicants:
Boaz OR Shraga, Ramat-Gan, IL;
Mark Shahaf, Ashdod, IL;
Izak Avayu, Mevaseret Zion, IL;
Yishay Ben-shimol, Ashdod, IL;
Inventors:
Boaz Or Shraga, Ramat-Gan, IL;
Mark Shahaf, Ashdod, IL;
Izak Avayu, Mevaseret Zion, IL;
Yishay Ben-Shimol, Ashdod, IL;
Assignee:
Motorola, Inc., Schaumburg, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04B 3/23 (2006.01);
U.S. Cl.
CPC ...
Abstract
Echo canceling method including the steps of determining an Euclidean norm of an echo-replica signal, determining an Euclidean norm of an input signal, determining a gradient step size, correcting the coefficients of an adaptive filter, deriving an updated echo-replica signal, and determining an updated error signal by subtracting the updated echo-replica signal from the input signal.