AUTHENTICATION SYSTEM WITH VISUAL ENCRYPTION USING POLARISATION OF LIGHT

Details for Australian Patent Application No. 2003278548 (hide)

Owner KONINKLIJKE PHILIPS ELECTRONICS N.V.

Inventors KEVENAAR, Thomas, A., M.; TUYLS, Pim, T.; SCHRIJEN, Geert, J.

Pub. Number AU-A-2003278548

PCT Number PCT/IB03/05193

PCT Pub. Number WO2004/055720

Priority 02080308.6 16.12.02 EP

Filing date 17 November 2003

Wipo publication date 9 July 2004

International Classifications

G06K 019/06 Record carriers for use with machines and with at least a part designed to carry digital markings - characterised by the kind of the digital marking, e.g. shape, nature, code

B42D 015/10 Printed matter of special format or style not otherwise provided for - Identity, credit, cheque or like information-bearing cards

G07D 007/00 Testing paper currency, securities, bonds, or similar valuable papers for genuineness

G02B 005/30 Optical elements other than lenses - Polarising elements

Event Publications

26 February 2004 Complete Application Filed

  Priority application(s): 02080308.6 16.12.02 EP

19 August 2004 Application Open to Public Inspection

  Published as AU-A-2003278548

1 September 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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