Method for controlling access to disc data and method for indentifying disc
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United States of America Patent
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-
Jan 20, 2009
Grant Date -
Jul 8, 2004
app pub date -
Feb 17, 2003
filing date -
Feb 21, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for controlling access to data of a disc, comprising the steps of determining whether or not information intrinsic to a writable disc has been detected from data that had been read from the disc; when the determined result represents that information intrinsic to a writable disc has been detected, determining that the disc is a writable disc and at least restricting a regular operation of the disc; and when the determined result represents that information intrinsic to a writable disc has not been detected, determining that the disc is not a writable disc and executing a regular operation of the disc.
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