Disk Contents Management Method and Disk
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United States of America Patent
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N/A
Issued Date -
Sep 4, 2008
app pub date -
Jul 28, 2005
filing date -
Aug 11, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
To provide a disk contents management method and a disk that are capable of preventing complete copying of contents data to be protected to achieve the protection of the copyright of contents data. Contents data is stored on a disk with a part of the contents data being missing, and the original data corresponding to the missing part is stored on a data memory provided on an electronic circuit mounted on the disk, or a memory on a server side that is connected through a network. When reproducing the disk, the original data corresponding to the missing part, stored on the data memory or server memory, is read out as complementary data. The missing part of the contents data read out from the disk is complemented with the complementary data.
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