ECHO CANCELLATION DEVICE WITH MOBILE CROSSTALK CONTROL

Details for Australian Patent Application No. 2002353422 (hide)

Owner TELEFONAKTIEBOLAGET LM ERICSSON (publ)

Inventors TOPALOVIC, Dragan

Pub. Number AU-A-2002353422

PCT Number PCT/IB02/05697

PCT Pub. Number WO2004/054127

Filing date 9 December 2002

Wipo publication date 30 June 2004

International Classifications

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

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

20 March 2003 Complete Application Filed

5 August 2004 Application Open to Public Inspection

  Published as AU-A-2002353422

25 August 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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