Tamper Detection of Documents using Encoded Dots

Details for Australian Patent Application No. 2006252223 (hide)

Owner Canon Kabushiki Kaisha

Inventors Burn, Peter

Agent Spruson & Ferguson

Pub. Number AU-B-2006252223

Filing date 22 December 2006

Wipo publication date 10 July 2008

Acceptance publication date 1 July 2010

International Classifications

G06K 9/18 (2006.01) Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints - using printed characters having additional code marks or containing code marks, e.g. the character being composed of individual strokes of different shape, each representing a different code value

B42D 15/10 (2006.01) Printed matter of special format or style not otherwise provided for - Identity, credit, cheque or like information-bearing cards

G06K 5/04 (2006.01) Methods or arrangements for verifying the correctness of markings on a record carrier

Event Publications

18 January 2007 Complete Application Filed

10 July 2008 Application Open to Public Inspection

  Published as AU-B-2006252223

1 July 2010 Application Accepted

  Published as AU-B-2006252223

28 October 2010 Standard Patent Sealed

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