Optical disk and optical disk recording and reproducing apparatu

Details Optical disk and optical disk recording and reproducing apparatu Optical disk and optical disk recording and reproducing apparatu

1994-02-08

1996-05-14

Nguyen, Tan T.

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

369 53, 369 54, 369 56, 371 374, 371 377, 371 491, G11B 2018

Patent

active

055174841

ABSTRACT:
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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