ECHO CANCELLER WITH REDUCED REQUIREMENT FOR PROCESSING POWER

Details for Australian Patent Application No. 2003278623 (hide)

Owner TANDBERG TELECOM AS

Inventors MARTON, Trygve, Frederik; AARNES, Ingvar, Flaten

Pub. Number AU-A-2003278623

PCT Number PCT/NO03/00379

PCT Pub. Number WO2004/082249

Priority 20031103 10.03.03 NO

Filing date 11 November 2003

Wipo publication date 30 September 2004

International Classifications

H04M 001/58 Substation equipment, e.g. for use by subscribers - Anti-side-tone circuits

H04M 001/60 Substation equipment, e.g. for use by subscribers - including speech amplifiers

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

H04B 003/23 Line transmission systems - using a replica of transmitted signal in the time domain, e.g. echo cancellers

Event Publications

26 February 2004 Complete Application Filed

  Priority application(s): 20031103 10.03.03 NO

4 November 2004 Application Open to Public Inspection

  Published as AU-A-2003278623

24 November 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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