Tamper detection and correction of documents using error correcting codes

Details for Australian Patent Application No. 2004242417 (hide)

Owner Canon Kabushiki Kaisha

Inventors Farrar, Stephen; Ecob, Stephen Edward; Cheung, Eric Lap Min

Agent Spruson & Ferguson

Pub. Number AU-A-2004242417

Filing date 21 December 2004

Wipo publication date 6 July 2006

International Classifications

H04L 9/00 (2006.01) Arrangements for secret or secure communication

B41M 3/14 (2006.01) Printing processes to produce particular kinds of printed work, e.g. patterns - Security printing

G06F 7/04 (2006.01) Methods or arrangements for processing data by operating upon the order or content of the data handled

Event Publications

13 January 2005 Complete Application Filed

6 July 2006 Application Open to Public Inspection

  Published as AU-A-2004242417

23 June 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(e). Examination has been requested or an examination report has issued for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

Legal

The information provided by the Site not in the nature of legal or other professional advice. The information provided by the Site is derived from third parties and may contain errors. You must make your own enquiries and seek independent advice from the relevant industry professionals before acting or relying on any information contained herein. Check the above data against the Australian Patent Office AUSPAT database.

Next and Previous Patents/Applications

2004242418-Generating compressed output representation

2004242416-Printed Data Storage and Retrieval