EP 1774452 A1 20070418 - DECODER HAVING A LENSE PORTION AND A LIGHT FILTERING PORTION AND METHOD OF MAKING SAME
Title (en)
DECODER HAVING A LENSE PORTION AND A LIGHT FILTERING PORTION AND METHOD OF MAKING SAME
Title (de)
DECODIERER MIT LINSENTEIL UND LICHTFILTERUNGSTEIL UND HERSTELLUNGSVERFAHREN DAFÜR
Title (fr)
DECODEUR COMPRENANT UNE PARTIE LENTILLE ET UNE PARTIE DE FILTRAGE DE LA LUMIERE ET PROCEDE DE FABRICATION
Publication
Application
Priority
- CA 2005001044 W 20050705
- CA 2472996 A 20040705
- US 58509504 P 20040706
Abstract (en)
[origin: WO2006002542A1] A method is disclosed for creating a decoder for revealing information hidden in a printed material and information hidden in a color image wherein the decoder comprises a substrate having a lens portion for revealing the information hidden in the printed material and a light filtering portion for revealing the information hidden in the color image.
IPC 8 full level
G06K 7/00 (2006.01)
CPC (source: EP)
G07D 7/128 (2013.01)
Citation (search report)
See references of WO 2006002542A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
DOCDB simple family (application)
CA 2005001044 W 20050705; EP 05761944 A 20050705