Oscillation echo canceller system

Details for Australian Patent Application No. 2005226273 (hide)

Owner Nap Enterprise Co., Ltd.

Inventors Seto, Shinji

Agent Spruson & Ferguson

Pub. Number AU-A-2005226273

PCT Pub. Number WO2005/094118

Priority 2004-088170 25.03.04 JP

Filing date 24 March 2005

Wipo publication date 6 October 2005

International Classifications

H04R 3/02 (2006.01) Circuits for transducers - for preventing acoustic reaction

H04R 1/10 (2006.01) Details of transducers - Earpieces

Event Publications

12 October 2006 PCT application entered the National Phase

  PCT publication WO2005/094118 Priority application(s): WO2005/094118

21 October 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(d). Examination has been requested or an examination report has issued for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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