EP 1647946 A1 20060419 - Value document system
Title (en)
Value document system
Title (de)
Wertdokumentsystem
Title (fr)
Système de documents de valeur
Publication
Application
Priority
EP 04024534 A 20041014
Abstract (en)
The invention relates to a luminescent security feature system. The invention is characterized in that, among other things, the security feature system comprises a large amount of individual documents being subdivided into defined subgroups, each subgroup having an invisible but machine-readable coding common for all individual documents of said subgroup, the codings of the different subgroups being different from each other, characterized in that said coding is a spectral coding being formed by at least two luminescent materials having overlapping spectral bands.
IPC 8 full level
G07D 7/12 (2006.01)
CPC (source: EP)
G07D 7/1205 (2017.04)
Citation (search report)
- [X] WO 9845803 A1 19981015 - UNIV BROWN RES FOUND [US]
- [X] EP 1182048 A1 20020227 - BANQUE DE FRANCE [FR]
- [X] US 6380547 B1 20020430 - GONZALEZ MANUEL E [US], et al
Citation (examination)
- US 6344261 B1 20020205 - KAULE WITTICH [DE], et al
- US 4452843 A 19840605 - KAULE WITTICH [DE], et al
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
DOCDB simple family (application)
EP 04024534 A 20041014