SECURITY ELEMENT HAVING A MACHINE-READABLE CODE

SECURITY ELEMENT HAVING A MACHINE-READABLE CODE

The present invention relates to a security element (12) having a machine-readable code whose information content is not detectible with the naked eye and without auxiliary means, the code exhibiting a coarse code (22) having low information content for detection with a low-resolution sensor and, ar...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HOLL, NORBERT, PLASCHKA, REINHARD, ZERBES, JUERGEN, MAYER, KARLHEINZ, NEVELING, MARIANNE, REINER, HARALD, SCHIFFMANN, PETER, OTTO, DANIELA, PILLO, THORSTEN, STEIN, DIETER
Format: Patent
Sprache:eng ; fre
Schlagworte:
CALCULATING
COMPUTING
COUNTING
HANDLING RECORD CARRIERS
PHYSICS
PRESENTATION OF DATA
RECOGNITION OF DATA
RECORD CARRIERS
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Beschreibung
Zusammenfassung:The present invention relates to a security element (12) having a machine-readable code whose information content is not detectible with the naked eye and without auxiliary means, the code exhibiting a coarse code (22) having low information content for detection with a low-resolution sensor and, arranged within the coarse code (22), a fine code (24) having higher information content for detection with a high-resolution sensor of the same kind.