SYSTEMS AND METHODS FOR PROVIDING ECHO CONTROL

Details for Australian Patent Application No. 2002359480 (hide)

Owner WORLDCOM, INC.

Inventors PATERNO, Gregory, J.

Pub. Number AU-A-2002359480

PCT Number PCT/US02/37825

PCT Pub. Number WO2003/052959

Priority 10/016,874 14.12.01 US

Filing date 25 November 2002

Wipo publication date 30 June 2003

International Classifications

H04B 003/20 Line transmission systems - Reducing echo effects or singing

H04M 009/08 Arrangements for interconnection not involving centralised switching - Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic

Event Publications

3 April 2003 Complete Application Filed

  Priority application(s): 10/016,874 14.12.01 US

28 August 2003 Application Open to Public Inspection

  Published as AU-A-2002359480

2 September 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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