CONTROLLING OPTICAL DISK DRIVE USING MODE SET COMMAND

In an optical disk drive, upon each power on or disk receipt, a mode control is set to non-operate, i.e., no commands can be received unless a mode setting command has been received. All other commands are rejected. When a mode set command is received after a power on or after each disk receipt, the...

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Bibliographische Detailangaben
Hauptverfasser:	JOHN EDWARD KULAKOWSKI, RODNEY JEROME MEANS, GARY RAYMOND STEPHENS
Format:	Patent
Sprache:	eng
Schlagworte:	INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER PHYSICS
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	In an optical disk drive, upon each power on or disk receipt, a mode control is set to non-operate, i.e., no commands can be received unless a mode setting command has been received. All other commands are rejected. When a mode set command is received after a power on or after each disk receipt, the mode control is set to operate which allows receipt and execution of legal commands. The mode setting requirement forces selection of write verify or not and to turn laser off or not after a predetermined time delay after completing a last command.