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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

Inactive Publication Date: 2005-08-10
HITACHI LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0020] In addition, with the increase in the density of data recording on optical discs, defects tend to occur continuously
However, with the existing method of using the spare area, the data is arranged in the reverse order for defects that occur continuously, and there is a problem that more time is required for recording and reproduction of data in the spare area.
[0021] In addition, the bitmap described in JP-A-11-86418 targets the entire overwrite area composed of the lead-in area, user area, and lead-out area on the disc. As for the specific bitmap that targets part of the overwrite area such as the spare area, Use method and effect, no record

Method used

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Examples

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Embodiment Construction

[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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PUM

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Abstract

The invention relates to an optical disk recording method and recording device which can change the size of the spare area used for alternant treatment of the recording compact disc, just like the prior art. Simultaneously, the recording method can avoid seriated defective records commonly seen in mass capacity and the severely decreased reproduction speed. The recording method is achieved by the following content: data-record order is sent to the first address of the user area from an upper device and the data is recorded by the first address; the recorded data is used for determining that the first address has drawbacks or not by reappearing and when the first address has drawbacks, the marked data recorded in the intake area or the extract area when initialization is used for determining the second address of the spare area and recording the data from the upper device in the second address.

Description

[0001] technology area [0002] The present invention relates to a recording technique for recording digital data on a recording medium. Background technique [0003] An example of a device for recording and reproducing digital data on a recording medium is a DVD-RAM recording and reproducing device specified in the international standard ECMA-272 or the like. [0004] If the disk is inserted and the power is turned on, first, the recording and reproducing apparatus checks the recorded contents such as the defect management information area (DMA) arranged in the lead-in and lead-out, and investigates whether the DVD-RAM has been physically formatted. If it is not physically formatted, it waits until there is a physical format instruction from a higher-level device or a user. [0005] When the DVD-RAM has been physically formatted, the recording and reproducing apparatus performs recording preparation processing such as correction processing and logical compatibility verificat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G11B20/12G11B7/00G11B7/004G11B7/007G11B20/10G11B20/18G11C11/00H04N5/781
CPCG11B2220/2575G11B7/00736G11B20/1883G11B2020/1823G11B2020/1893G11B2220/20G11B2020/1826
Inventor 星泽拓
Owner HITACHI LTD
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