An improved method and apparatus for providing a copy-protected video signal

Details for Australian Patent Application No. 2003246921 (hide)

Owner Dwight Cavendish Systems Limited

Inventors Abdin, Mazen; Tan, Baolin

Agent Davies Collison Cave

Pub. Number AU-B-2003246921

PCT Number PCT/GB03/02782

PCT Pub. Number WO2004/004346

Priority 0215040.7 28.06.02 GB

Filing date 30 June 2003

Wipo publication date 19 January 2004

Acceptance publication date 2 July 2009

International Classifications

H04N 7/083 (2006.01) Television systems - with signal insertion during the vertical and the horizontal blanking interval

G11B 20/02 (2006.01) Signal processing not specific to the method of recording or reproducing - Analogue recording or reproducing

H04N 5/913 (2006.01) Details of television systems - for scrambling

H04N 7/087 (2006.01) Television systems - with signal insertion during the vertical blanking interval

H04N 7/088 (2006.01) Television systems

H04N 7/167 (2006.01) Television systems - Systems rendering the television signal unintelligible and subsequently intelligible

H04N 7/169 (2006.01) Television systems - Systems operating in the time domain of the television signal

Event Publications

2 October 2003 Complete Application Filed

  Priority application(s): 0215040.7 28.06.02 GB

4 March 2004 Application Open to Public Inspection

  Published as AU-B-2003246921

2 July 2009 Application Accepted

  Published as AU-B-2003246921

1 October 2009 Assignment before Grant

  Dwight Cavendish Systems Limited The application has been assigned to DCS Copy Protection Limited

29 October 2009 Standard Patent Sealed

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