Owner OG Technologies, Inc.

Inventors Chang, Tzyy-Shuh; Gutchess, Daniel; Huang, Hsun-Hau

Agent Pizzeys

Pub. Number AU-B-2003293209

PCT Number PCT/US2003/0381

PCT Pub. Number WO2004/051178

Priority 60/430,549 03.12.02 US; 10/331,050 27.12.02 US

Filing date 26 November 2003

Wipo publication date 23 June 2004

Acceptance publication date 9 July 2009

H04N 7/18 (2006.01) Television systems - Closed-circuit television systems, i.e. systems in which the signal is not broadcast

G01B 11/30 (2006.01) Measuring arrangements characterised by the use of optical means - for measuring roughness or irregularity of surfaces

G01N 21/88 (2006.01) Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible, or ultra-violet light - Investigating the presence of flaws, defects or contamination

G01N 21/95 (2006.01) Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible, or ultra-violet light

G01N 21/952 (2006.01) Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible, or ultra-violet light

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

H04N 9/47 (2006.01) Details of colour television systems