发明名称 |
Optical disk and optical disk recording and reproducing apparatus |
摘要 |
A reproduction type optical disk having same sector structure as that of a recordable optical disk, can reproduce data even if a plurality of sectors are disabled from correction. The disk has data sectors for recording data, parity sectors obtained by a new error correction coding between a plurality of data sectors, wherein the error correction coding between the data sectors is performed by arranging a plurality of data sectors into a matrix and by coding them in directions of row and column doubly to make a product code.
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申请公布号 |
US5517484(A) |
申请公布日期 |
1996.05.14 |
申请号 |
US19940193502 |
申请日期 |
1994.02.08 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
TAKAGI, YUJI;SATOH, ISAO;ITO, MOTOSHI;HISAKADO, YUJI |
分类号 |
G11B7/007;G11B20/12;G11B20/18;(IPC1-7):G11B20/18 |
主分类号 |
G11B7/007 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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