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. 2005200858 (hide)

Owner Nielsen Media Research, Inc.

Inventors Srinivasan, Venugopal

Agent Davies Collison Cave

Pub. Number AU-B-2005200858

Parent 2001251274

Filing date 25 February 2005

Wipo publication date 17 March 2005

Acceptance publication date 3 January 2008

International Classifications

H04H 1/00 (2006.01)

H04H 9/00 (2006.01)

Event Publications

10 March 2005 Complete Application Filed

17 March 2005 Application Open to Public Inspection

  Published as AU-B-2005200858

3 January 2008 Application Accepted

  Published as AU-B-2005200858

1 May 2008 Standard Patent Sealed

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