Dynamic information storage or retrieval – Condition indicating – monitoring – or testing – Including radiation storage or retrieval
Patent
1995-03-30
1997-04-01
Edun, Muhammad N.
Dynamic information storage or retrieval
Condition indicating, monitoring, or testing
Including radiation storage or retrieval
369 47, 369 48, 369 59, G11B 700
Patent
active
056173946
ABSTRACT:
A data recording method adapted for recording data on an optical disk having multiple tracks addressed as sectors on its recording surface. The method includes, setting the number of sectors to be recorded on a track based the position of the track on the optical disk and recording data on the track based on the number of sectors to be recorded as set during the setting step. Also provided is an optical disk recording method adapted for recording data on an optical disk having spiral shaped multiple tracks addressed as sectors on its recording surface and the number of sectors per track of the multiple tracks depending on the radial position of the track relative to a center position of the optical disk. The method includes initializing at least one sector writing data onto the initialized sectors and verifying the written sectors. Also provided is an optical disk recording device that includes an optical disk drive device recording data in relation to an optical disk having multiple tracks addressed as sectors, a memory unit storing the data to be recorded on the optical disk, a recording control unit reading and outputting to the optical disk drive device, memory unit, and a setting circuit changing a specified amount of data depending on the radial position on the optical disk onto which the data is to be recorded. Finally, an optical disk recording device is provided which includes an optical disk drive device recording data in relation to an optical disk, a memory unit storing data to be recorded on the optical disk, a recording control circuit controlling the optical disk drive device, by initializing the specified number of sectors to be recorded on the optical disk, reading the data in an amount equivalent to the specified number of sectors among the sectors stored in the memory unit, writing that data onto the sectors that have been initialized and verifying the written sectors. Also, a setting circuit sets the specified number of sectors to be processed by a single recording operation.
REFERENCES:
patent: 5239424 (1993-08-01), Hasegawa et al.
patent: 5446718 (1995-08-01), Shimizu et al.
Edun Muhammad N.
Nikon Corporation
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