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Reproducing and duplicating method of damaged compact disk

A copying method and optical disc technology, applied in optical recording/reproduction, instrumentation, data recording, etc., can solve problems such as inability to read and play normally

Inactive Publication Date: 2007-07-04
LEJIN GUANGDIAN ELECTRONIC CO LTD SHANGHAI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, even if normal A / V data is stored in the data area, it cannot be read and played normally.

Method used

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  • Reproducing and duplicating method of damaged compact disk
  • Reproducing and duplicating method of damaged compact disk
  • Reproducing and duplicating method of damaged compact disk

Examples

Experimental program
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Embodiment Construction

[0038] Embodiments of the method for restoring and duplicating damaged optical discs of the present invention will be described in detail below with reference to the accompanying drawings.

[0039] First of all, the restoration and duplication method of the damaged optical disc of the present invention is applicable to various types of optical disc players. For example, as shown in Figure 4, an optical disc player applicable to the present invention is composed of the following parts: optical disc tray 10, optical disc 11, optical pickup 12, VDR system 13, microprocessor 14, OSD generating means 15 and storage means 16 etc. At the same time, the present invention also includes an HDR system 20 and a hard disk 21, which can be connected through interfaces such as IEEE 1394.

[0040] Fig. 5 is a schematic flow chart of the method for recovering a lost optical disc of the present invention.

[0041] S30, as shown in the figure, if the optical disc 10 is placed in the device, th...

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PUM

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Abstract

The invention relates to recovering and copying method of damaged disc, for example, when there is physical error in file system and navigation information which is stored in data area of DVD disc, the information can be recovered to read A / V data, or said recovered file system and navigation information are stored in new storing media to realize the normal copy of A / V data. Using the invention, the fatal faults such as A / V data stored in data area can not be read or copied normally for that there is physical error in the file system and navigation information can be prevented effectively.

Description

technical field [0001] The present invention relates to restoration and duplication methods of damaged discs, in particular, when physical errors occur in the file system (File System) and navigation (Navigation) information stored in the data area of ​​DVD discs, etc., the information can be normally restored or copied A recovery and duplication method for damaged discs. Background technique [0002] Currently, optical disk players such as DVD players (DVD-Recorders) capable of playing high-quality video data and high-quality audio data have been developed and commercialized. For example, as shown in Figure 1, the above-mentioned optical disc player is made up of the following parts: optical disc tray 10, optical disc 11, optical pick-up 12, VDR (Video DiscRecord) system 13, microprocessor 14, OSD generation device 15 and storage device 16 etc. [0003] In addition, as shown in Figure 2, the above-mentioned optical discs 10 such as DVD can be divided into lead-in area, da...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G11B20/10G11B20/18G11B7/00G06F12/16
Inventor 刘明福
Owner LEJIN GUANGDIAN ELECTRONIC CO LTD SHANGHAI
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