METHOD FOR DISCRIMINATING OPTICAL DISC, OPTICAL DISC DEVICE AND PROGRAM
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United States of America Patent
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Issued Date -
Jul 22, 2010
app pub date -
Jan 30, 2009
filing date -
Jan 31, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Provided is a method for easily discriminating that a disc is a blank disc that conforms to the DVD Download standards. An optical disc device is provided with a first identifying means (4) which identifies disc information written in a lead-in zone of an optical disc (1); a second identifying means (4) which identifies that there is no data recorded in the data zone of the optical disc (1); and a discriminating means (5) which discriminates that the optical disc is a blank disc that conforms to the DVD Download standards, based on output from the first identifying means and output which is outputted from the second identifying means and indicating that there is no data recorded.
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