G - Physics – 11 – B
Patent
G - Physics
11
B
G11B 20/18 (2006.01) G11B 7/0045 (2006.01) G11B 11/105 (2006.01) G11B 19/02 (2006.01) G11B 27/036 (2006.01) G11B 27/19 (2006.01) G11B 27/22 (2006.01) G11B 27/24 (2006.01) G11B 27/32 (2006.01) G11B 27/36 (2006.01) G11B 7/007 (2006.01) G11B 7/09 (2006.01) G11B 27/034 (2006.01) G11B 27/11 (2006.01)
Patent
CA 2105110
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.
Gowling Lafleur Henderson Llp
Sony Corporation
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