Owner Lucent Technologies Inc.

Inventors Zarrabizadeh, Mohammad Hossein

Agent Spruson & Ferguson

Pub. Number AU-B-2004214556

Priority 10/673894 29.09.03 US

Filing date 24 September 2004

Wipo publication date 14 April 2005

Acceptance publication date 21 January 2010

H04N 11/00 (2006.01) Colour television systems

G06K 9/00 (2006.01) Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints

G06K 9/36 (2006.01) Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints - Image preprocessing, i.e. processing the image information without deciding about the identity of the image

G06T 1/00 (2006.01) General purpose image data processing

H04L 9/12 (2006.01) Arrangements for secret or secure communication - Transmitting and receiving encryption devices synchronised or initially set up in a particular manner

H04N 5/445 (2006.01) Details of television systems - for displaying additional information

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

H04N 7/025 (2006.01) Television systems - Systems for transmission of digital non-picture data, e.g. of text during the active part of a television frame

H04N 7/08 (2006.01) Television systems - Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band

H04N 7/081 (2006.01) Television systems - the additional information signals being transmitted by means of a subcarrier

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

H04N 7/24 (2006.01) Television systems - Systems for the transmission of television signals using pulse code modulation

H04N 11/24 (2006.01) Colour television systems