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. 12, 2005
Filed:
Dec. 05, 2000
Applicants:
Wim Vanderbauwhede, Ghent, BE;
Jean Boxho, Woluwe St. Lambert, BE;
Damien Luc François Macq, Wake Forest, NC (US);
Inventors:
Wim Vanderbauwhede, Ghent, BE;
Jean Boxho, Woluwe St. Lambert, BE;
Damien Luc François Macq, Wake Forest, NC (US);
Assignee:
Alcatel, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04M001/58 ;
U.S. Cl.
CPC ...
Abstract
Echo cancelling in a communication line system, particularly an ISDN or XDSL system, is performed with a tunable hybrid having tunable passive elements. The tunable hybrid is integrated in the analog front-end portion of the communication line system. The values of the tunable passive elements are digitally controlled by a microprocessor.