Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 4, 2007
Patent Application Number
11005047
Date Filed
December 7, 2004
Patent Citations Received
Patent Primary Examiner
Patent abstract
The erasion level appending range of a file is instructed. According to this instruction, the erasion level is set. When this setting range does not agree with the cell unit of the current cell, the current cell is divided to set a sequence of divided cells. Playback management information of each of the divided cells and current cell is re-created, and erasion level information is appended to playback management information of the divided cell that belongs to the appending range.
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