Optical pickup having radially arranged lenses in a low profile construction

An optical pickup includes a first source which emits a first beam with a first wavelength; a second source which emits a second beam with a wavelength shorter than the first wavelength; a first collimate lens which collimates the first beam; a second collimate lens which collimates the second beam;...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	KONISHI YOSHIRO, KITADA YASUO, KAMISADA TOSHIMASA, KAWAMURA TOMOTO
Format:	Patent
Sprache:	eng
Schlagworte:	INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER PHYSICS
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