Volume and tone control in direct digital speakers
Details for Australian Patent Application No. 2007252848 (hide)
International Classifications
Event Publications
22 January 2009 PCT application entered the National Phase
PCT publication WO2007/135679 Priority application(s): WO2007/135679
22 October 2009 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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Next and Previous Patents/Applications
2007252849-Apparatus and methods for generating pressure waves
2007252847-Direct digital speaker apparatus having a desired directivity pattern
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