EP 1252602 A4 20030618 - AUTHENTICATION AND CODING BY SIZE, SHAPE, AND FLUORESCENCE
Title (en)
AUTHENTICATION AND CODING BY SIZE, SHAPE, AND FLUORESCENCE
Title (de)
ECHTHEITSPRUEFUNG UND KODIERUNG NACH GROESSE, GESTALT UND FLUORESENZ
Title (fr)
AUTHENTIFICATION ET CODAGE PAR TAILLE, FORME, ET FLUORESCENCE
Publication
Application
Priority
- US 0042065 W 20001109
- US 16438799 P 19991109
- US 70827300 A 20001108
Abstract (en)
[origin: WO0137207A1] A method provides information concerning an object, and includes steps of providing the object (230) and encoding information concerning the object by providing a set of taggants (350) in association with the object. The set of taggants contains members having distinguishing physical attributes which may include at least one of color, emission wavelength, size, shape and loading factor which, in combination, are predetermined for encoding information regarding the object. Further steps detect the physical attributes (330) and decode the information from the detected physical attributes. The set of taggants can include at least one of particles, fibers and planchets.
IPC 1-7
IPC 8 full level
G06K 9/00 (2006.01)
CPC (source: EP US)
G01N 21/33 (2013.01 - US); G06F 18/00 (2023.01 - EP)
Citation (search report)
- [X] US 5643728 A 19970701 - SLATER JAMES HOWARD [GB], et al
- [X] US 3861886 A 19750121 - MELOY THOMAS P
- [A] GB 2148486 A 19850530 - BRADBURY WILKINSON PLC
- See also references of WO 0137207A1
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
DOCDB simple family (publication)
WO 0137207 A1 20010525; AU 3438801 A 20010530; EP 1252602 A1 20021030; EP 1252602 A4 20030618
DOCDB simple family (application)
US 0042065 W 20001109; AU 3438801 A 20001109; EP 00991733 A 20001109