DEVICE AND METHOD FOR DISCRIMINATING OPTICAL DISK

PROBLEM TO BE SOLVED: To easily discriminate an optical disk having an identification mark displayed on an information recording surface, the mark being unseen or difficult to be seen because of the color of a substrate or the semi-transmission film of a first layer, from other optical disks. SOLUTI...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	IWAMOTO ISAMU
Format:	Patent
Sprache:	eng
Schlagworte:	INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER PHYSICS
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