Data recording method and data recording device
A data recording and data technology, applied in the field of recording technology, can solve problems such as excessive time, and achieve the effect of high-speed recording
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[0040] The present invention can (1) use a mark to switch the usage method in the spare area of the alternate area where the defect management is configured, and (2) use different usage methods in each logically divided area.
[0041] Hereinafter, specific embodiments of the present invention will be described using the drawings.
[0042] The symbols used in the drawings are as follows.
[0043] 401 optical disk, 402 optical head, 403 recording and reproduction signal processing circuit, 404 control microcomputer, 405 servo circuit, 406 interface circuit, 407 input and output terminals
[0044] First, about the basic structure of the data formatting and recording / reproducing apparatus used in the description of the present invention, use Figure 2 to Figure 4 to illustrate.
[0045] Figure 4 Shows the configuration of an optical disc recording and reproducing device.
[0046] Figure 4Among them, 401 is an optical disc, 402 is an optical head equipped with a laser diod...
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