ECHO-SUPPRESSION WITH SHORT DELAY

Details for Australian Patent Application No. 2003270247 (hide)

Owner SIEMENS AKTIENGESELLSCHAFT

Inventors BEAUGEANT, Christophe; JAGER, Bernd; SEITTER, Norbert; HEISS, Herbert; PRATI, Luca; BELUFFI, Renato

Pub. Number AU-A-2003270247

PCT Number PCT/EP03/10576

PCT Pub. Number WO2004/039049

Priority 02023552.9 22.10.02 EP

Filing date 23 September 2003

Wipo publication date 13 May 2004

International Classifications

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

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

Event Publications

15 January 2004 Complete Application Filed

  Priority application(s): 02023552.9 22.10.02 EP

17 June 2004 Application Open to Public Inspection

  Published as AU-A-2003270247

7 July 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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.

25 August 2005 Corrigenda

  Applications OPI - Name Index Under the name SIEMENS AKTIENGESELLSCHAFT, Application No. 2003270247, under INID (71) correct the name to read SIEMENS AKTIENGESELLSCHAFT; SIEMENS MOBILE COMMUNICATIONS S.P.A.

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