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Method and apparatus for recording or reproducing information in or from only a sector of an optical disk track without any defect by shifting a light beam to an adjacent track before a defective sector
Method and apparatus for recording or reproducing information in or from only a sector of an optical disk track without any defect by shifting a light beam to an adjacent track before a defective sector
An apparatus for recording or reproducing information in or from an optical disc, has a semiconductor laser system, a split photosensor, a signal processing circuit, and a disc controller with a CPU and a memory. Defective sectors of the optical disc are detected, and information recording/reproduction is performed for only nondefective sectors.
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