A METHOD AND APPARATUS FOR VERIFYING A HOLOGRAM AND A CREDIT CARD

A method for verifying a hologram (3), comprising the steps of reading at least two images of the hologram (3), the images being representative of images derived at respective different viewing angles, comparing a characteristic derived from the respective images with a reference characteristic to e...

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Bibliographische Detailangaben
Hauptverfasser:	O'DOHERTY, PHELIM, ANTHONY, SMITH, PATRICK, JOSEPH, MCCARTHY, SEAN, DAVID, LUNA, CARLOS
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CALCULATING CHECKING-DEVICES CINEMATOGRAPHY COMPUTING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY ELECTROGRAPHY HANDLING OF COINS OR OF PAPER CURRENCY OR SIMILAR VALUABLEPAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING,DISPENSING, CHANGING OR DEPOSITING HANDLING RECORD CARRIERS HOLOGRAPHIC PROCESSES OR APPARATUS HOLOGRAPHY PHOTOGRAPHY PHYSICS PRESENTATION OF DATA RECOGNITION OF DATA RECORD CARRIERS TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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