METHOD FOR JUDGING OPTICAL DISC, OPTICAL DISC DEVICE AND PROGRAM
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United States of America Patent
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Issued Date -
Aug 12, 2010
app pub date -
Jan 30, 2009
filing date -
Jan 31, 2008
priority date (Note) -
Abandoned
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Abstract
Provided is a method for easily judging that a disc is an optical disc that conforms to the DVD Download standards, without generating malfunction. A Wobble signal is detected in a data zone (21) of an optical disc (YES in a step (S2)), CSS information is detected from a lead-in zone (20) of the optical disc (YES in step (S5)), and when attribute information, which is of the optical disc and recorded in the lead-in zone (20) of the optical disc, is further read and the disc is recognized as a DVD-ROM (YES in a step (S7)), the optical disc is judged as an optical disc that conforms to the DVD Download standards.
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