Digital adaptive filter and acoustic echo canceller using the same

Details for Australian Patent Application No. 2004200802 (hide)

Owner Telefonaktiebolaget L M Ericsson (publ)

Inventors Armbruster, Werner

Agent Watermark

Pub. Number AU-B-2004200802

Parent 54092

Filing date 27 February 2004

Wipo publication date 25 March 2004

Acceptance publication date 10 May 2007

International Classifications

H04M 9/08 (2006.01) 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

11 March 2004 Complete Application Filed

25 March 2004 Application Open to Public Inspection

  Published as AU-B-2004200802

10 May 2007 Application Accepted

  Published as AU-B-2004200802

6 September 2007 Standard Patent Sealed

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