OPTICAL INFORMATION RECORDING AND REPRODUCING DEVICE

PURPOSE:To warn the reduction of an emitting light quantity to an operator and to improve the reliability of a recording and reproducing device by detecting the light quantity of the emitting light from an optical head, comparing the output of a light quantity detector with a prescribed reference le...

Ausführliche Beschreibung

Bibliographische Detailangaben

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