Acoustic filter for electroacoustic transducer

Details for Australian Patent Application No. 2007231529 (hide)

Owner Immersion Technology Property Limited

Inventors Huon, Graeme John; Velican, Zeljko

Agent Phillips Ormonde Fitzpatrick

Pub. Number AU-A-2007231529

PCT Pub. Number WO2007/109832

Priority 2006901570 28.03.06 AU; 2006904700 29.08.06 AU

Filing date 20 March 2007

Wipo publication date 4 October 2007

International Classifications

H04R 1/20 (2006.01) Details of transducers - Arrangements for obtaining desired frequency or directional characteristics

Event Publications

9 October 2008 PCT application entered the National Phase

  PCT publication WO2007/109832 Priority application(s): WO2007/109832

13 August 2009 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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