HOWLING CONTROL DEVICE AND HOWLING CONTROL METHOD

Details for Australian Patent Application No. 2003213325 (hide)

Owner MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.

Inventors TERADA, Yasuhiro; MURASE, Atsunobu

Pub. Number AU-A-2003213325

PCT Number PCT/JP03/02894

PCT Pub. Number WO2003/077594

Priority 2002-67083 12.03.02 JP

Filing date 12 March 2003

Wipo publication date 22 September 2003

International Classifications

H04R 003/02 Circuits for transducers - for preventing acoustic reaction

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

Event Publications

24 July 2003 Complete Application Filed

  Priority application(s): 2002-67083 12.03.02 JP

30 October 2003 Application Open to Public Inspection

  Published as AU-A-2003213325

2 December 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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