Optical disk and optical disk reproduction apparatus and recording apparatus

An optical disk includes a feature forming area (11) and a criterion recording area (12). The feature forming area 11 is an area provided with physical features used for determining whether it is an authorized optical disk or not. The criterion recording area (12) is an area having recorded therein...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ATSUSHI WATANABE, SATOSHI NISHIUMI
Format:	Patent
Sprache:	eng
Schlagworte:	INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER PHYSICS
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