OPTICAL DISK

PROBLEM TO BE SOLVED: To provide an optical disk, wherein identification information such as ID number can be prevented from being accessed by a third person and there is not a fear that the identification information is lost, independently of a mode of distribution of a disk. SOLUTION: An optical d...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	ISHIDA YASUKI
Format:	Patent
Sprache:	eng
Schlagworte:	INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER PHYSICS
Online-Zugang:	Volltext bestellen
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