Optical disc device

A cross section of a luminous flux of returning light from a disc is split into a plurality of regions, and an operation is performed so that a weighting of a light amount of a region which has favorable symmetry in a radial direction and is formed on a circumference of an ellipse among the split re...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	Tentaku, Yutaka, Nishi, Noriaki, Inoue, Tetsuya, Ando, Nobuhiko, Nakano, Fumiaki, Suzuki, Yuuichi, Saito, Kimihiro, Nakagawa, Hiroaki
Format:	Patent
Sprache:	eng
Schlagworte:	INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER PHYSICS
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