Patent · US Expired

Echo canceller in a communication system at a terminal

US7023986B2 · kind B2 · utility

3Cited by

2References

19Claims

0Family size

Assignee

FRANCE TELECOM · FR

Inventors

Pascal Scalart · Lannion, FR
Gregoire Le Tourneur · Lannion, FR
Franck Bouteille · Munich, DE
Christophe Beaugeant · Mouans-Sartoux, FR

Key dates

Filing date	Dec 8, 2000
Grant date	Apr 4, 2006
Priority date	—
Expiry date	Aug 11, 2021

Classification

Technology area (CPC H)Electricity
CPC primaryH04M9/082
WIPO fieldTelecommunications
WIPO sectorElectrical engineering

Abstract

A terminal in a communication system includes emitting and receiving transducers and an echo processor having an adaptive echo canceler that processes a residual echo output from the adaptive echo canceler.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.