Optical head and optical disc device

An optical head and optical disc apparatus according to the present invention can guide each of optional light rays of different wavelength from a plurality of light sources to a recording medium through a single optical system, and can play back the signal from the reflected light from the recordin...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	IWATA KATSUO,MARUYAMA,EIDA ICHIHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER PHYSICS
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