专利名称：Method of data management using
recorded flags to discriminate usedallocation blocks and unwritten allocationblocks
发明人：Tatsuya Igarashi申请号：US08/890573申请日：19970709公开号：US05848038A公开日：19981208
摘要：When data is recorded at a virgin cluster on a data track of an MD data disc,write data is written at a position corresponding to the allocation blocks for recordingthe write data after NULL data has been written to the write buffer for a one clusterportion. The data for the one cluster portion written to the write buffer is then recordedto the cluster on the data track, so that an initialization process is no longer required.
申请人：SONY CORPORATION
代理人：Jay H. Maioli
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