Method and device for detecting compact disc blank area and data record area

The invention provides a device for detecting compact disc blank area and data record area. The gain controller of the device adjusts the received radio frequency signal into an amplified radio frequency signal with preset amplitude according to an amplitude feedback signal; an amplitude detector re...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	FENG WENJUN, HONG SHAOLUN, ZHENG YANQIAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER PHYSICS
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