PICKUP FOR PHOTOMAGNETIC RECORDING AND REPRODUCING DEVICE OF SIMULTANEOUS ERASING AND RECORDING TYPE

PURPOSE:To use an auxiliary beam as monitor light at the recording time and use it as information light at the reproducing time by making the wavelength of a main beam irradiated on a recording area different from that of the auxiliary beam irradiated on the recording area and a non-recording area a...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	AKASAKA HIDEKI
Format:	Patent
Sprache:	eng
Schlagworte:	INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER PHYSICS
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