OPTICAL INFORMATION RECORDING OR REPRODUCING APPARATUS

PROBLEM TO BE SOLVED: To solve a problem that in a method of detecting lens shift amounts using an observer with transfer characteristics equivalent to the optical pickup and correcting the offset of tracking error signal according to detected lens shift amount in conventional tracking control, an e...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ISHIBASHI HIROSHIGE, AKAGI NORITAKA, OSAKI TAKEO
Format:	Patent
Sprache:	eng
Schlagworte:	INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER PHYSICS
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