Variable encoding and detection apparatus and methods

Details for Australian Patent Application No. 2009250975 (hide)

Owner Nielsen Media Research, Inc.

Inventors Headley, Weston P.; Luff, Robert A.

Agent EKM patent & trade marks

Pub. Number AU-B-2009250975

Parent 2005328684

Filing date 16 December 2009

Wipo publication date 14 January 2010

Acceptance publication date 10 March 2011

International Classifications

H04N 7/16 (2006.01) Television systems - Secrecy systems

Event Publications

7 January 2010 Complete Application Filed

14 January 2010 Application Open to Public Inspection

  Published as AU-B-2009250975

10 March 2011 Application Accepted

  Published as AU-B-2009250975

7 July 2011 Standard Patent Sealed

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