SYSTEM AND METHOD FOR ADDING AN INAUDIBLE CODE TO AN AUDIO SIGNAL AND METHOD AND APPARATUS FOR READING A CODE SIGNAL FROM AN AUDIO SIGNAL

Details for Australian Patent Application No. 2001251274 (hide)

International Classifications

Event Publications

25 November 2004 Application Accepted

Published as AU-B-2001251274

7 April 2005 Standard Patent Sealed

23 November 2006 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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