Patent · US Expired

Modem with echo cancellation

US5280473A · kind A · utility

11Cited by

4References

12Claims

0Family size

Assignee

Universal Data Systems, Inc. · US

Inventors

Mickey C. Rushing · Harvest, US
Steven R. Blackwell · Huntsville, US

Key dates

Filing date	Jun 11, 1992
Grant date	Jan 18, 1994
Priority date	—
Expiry date	Jun 11, 2012

Classification

Technology area (CPC H)Electricity
CPC primaryH04L5/14
WIPO fieldTelecommunications
WIPO sectorElectrical engineering

Abstract

A modem receiver includes an echo canceller (122), the echo canceller including a near-end echo canceller (128) and a far-end echo canceller (130). The echo canceller also includes a phase jitter tracker (154) arranged to track and generate a phase jitter component associated with the far-end echo.

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