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:
Jul. 13, 1999
Filed:
Nov. 25, 1996
Applicant:
Inventors:
Sune Micael Gustafsson, Tyreso, SE;
John-Erik Samuel Eriksson, Umea, SE;
Assignee:
Telefonaktiebolaget LM Ericsson, Stockholm, SE;
Primary Examiner:
Int. Cl.
CPC ...
H04B / ; H04M / ;
U.S. Cl.
CPC ...
379410 ; 379242 ; 379406 ; 370286 ; 370289 ;
Abstract
Acoustic echo reduction is accomplished in connection with a telephone call utilizing a handsfree telephone unit. An Acoustic Echo Controlling (AEC) device (14) is implemented in a digital exchange (12) of the telecommunication system so that the reduction of acoustic echoes can be achieved from all telephones connected to the digital exchange.
Gustafsson, Sune. (1999). Method and system for eliminating acoustic echos in a digital (U.S. Patent No. 5923749). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5923749
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile