METHOD FOR READING A HOLOGRAPHIC MEMORY ON A RECORD CARRIER

The carrier has a holographic memory (5) carried by the carrier, and a photonic crystal (1) arranged to filter light received from a large spectrum light source (11) to select a frequency band of large spectrum and guide the light corresponding to the selected frequency band so as to illuminate the...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	GASPARI, SEBASTIEN, ALLOT, FRANCIS, BAJOLLE, ANTOINE
Format:	Patent
Sprache:	eng ; fre ; ger
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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