Dynamic information storage or retrieval – Storage medium structure – Optical track structure
Patent
1993-08-31
1995-12-19
Epps, Georgia Y.
Dynamic information storage or retrieval
Storage medium structure
Optical track structure
369 30, 369 56, 369 58, G11B 15087, G11B 27026
Patent
active
054775256
ABSTRACT:
A disc having recordable and recorded areas discretely scattered over it at the same time is formed with a guard band to prevent the recorded area from being destroyed by a track jump caused by an undue impact or vibration applied to the disc during a recording operation. Additionally, storing in memory information of an edge of a recorded area by a predetermined amount before recording, the edge providing a boundary between the recorded area and a recordable area, allows recovery of data in the recorded area destroyed by a track jump caused by an undue impact or vibration applied to a disc.
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Chu Kim-Kwok
Epps Georgia Y.
Sony Corporation
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