Method of and apparatus for recording data on write-once disc, method of and apparatus for reproducing data from write-once disc, and write-once disc therefor
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United States of America Patent
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May 26, 2009
Grant Date -
Nov 22, 2007
app pub date -
Jul 3, 2007
filing date -
Dec 24, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A method and apparatus recording and/or reproducing data on/from a write-once disc, and a write-once disc therefor, the write-once disc having at least one recording layer including: a plurality of update areas in which predetermined updated information is recorded; and at least one access information area in which access information indicating an update area in which final recorded updated information is recorded. Reducing access time for reading the updated information using a location of predetermined updated information. Also, when a plurality of update areas for writing updated information required to use the write-once disc exist, a recording apparatus or a reproducing apparatus can quickly and easily determine an update area in which final updated information is recorded among the plurality of update areas.
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