METHOD AND DEVICE FOR MEASURING OPTICAL PROPERTIES OF AN OPTICALLY VARIABLE MARKING APPLIED TO AN OBJECT

A method for measuring optical properties of an optically variable marking applied on an object, the method including the steps of illuminating the optically variable marking so as to form a first light reflected by the marking at a first view angle and a second light reflected by the marking at a s...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	DECOUX, ERIC, SCHWAB, XAVIER
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CALCULATING CHECKING-DEVICES COMPUTING COUNTING HANDLING OF COINS OR OF PAPER CURRENCY OR SIMILAR VALUABLEPAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING,DISPENSING, CHANGING OR DEPOSITING HANDLING RECORD CARRIERS PHYSICS PRESENTATION OF DATA RECOGNITION OF DATA RECORD CARRIERS
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