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Recording medium, read/write method thereof and read/write apparatus thereof

A technology of recording medium and equipment, applied in the direction of optical recording/reproducing/erasing method, digital recording/reproducing, recording/reproducing by optical method, etc.

Active Publication Date: 2011-05-11
LG ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006]However, when reproducing the recording of a high-version disc, even if reading / writing is not possible or even if an error occurs when reading / writing is performed, the extended Read / write devices designed for lower versions will always retry the execution of read / write, resulting in system errors

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  • Recording medium, read/write method thereof and read/write apparatus thereof
  • Recording medium, read/write method thereof and read/write apparatus thereof
  • Recording medium, read/write method thereof and read/write apparatus thereof

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Embodiment Construction

[0029] The "recording medium" in the present invention includes all kinds of data recordable media such as optical disks, magnetic tapes, etc., regardless of the recording medium thereof. To facilitate the description of the present invention, a Blu-ray disc (BD) is exemplarily taken as an example of an optical disc. However, it is obvious that the technical idea of ​​the present invention can be applied to other recording media in the same manner.

[0030] 'Control information' means various information for disc reading / writing of Blu-ray Disc, and corresponds to, for example, 'disc information' written in a specific area of ​​Blu-ray Disc (BD) or written in DVD-RAM / 'Physical Format Information' in -RW / +RW. First, 'disc information (hereinafter abbreviated as DI)' corresponding to the case of Blu-ray Disc (BD) is explained as follows for convenience. However, it is obvious that the idea of ​​the invention can be applied to other optical discs in different formats (eg the D...

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Abstract

A recording medium read / write method and apparatus are disclosed. The inventive method comprises version information. The version information includes a first compatibility version information for deciding a possibility of accessibility to the write and / or read data and a second compatibility version information for deciding a possibility of data write indicated by the first compatibility version information, which records the version information of a corresponding medium as read / write control information within the recording medium. The read / write apparatus efficiently performs the read / write of the recording medium with reference to the version information recorded within the recording medium.

Description

technical field [0001] The present invention relates to a recording medium and its control information recording method, and more particularly to a method of recording read / write control information associated with a version of a corresponding recording medium as control information and a recording medium read / write method using the recorded control information and equipment. Background technique [0002] In general, optical discs on which a large amount of data can be recorded are widely used as optical recording media. Recently, many efforts have been made to develop a new high-density optical recording medium (HD-DVD) such as Blu-ray Disc (hereinafter abbreviated as BD), on which high-definition video data and high-quality audio data can be recorded and stored. [0003] Blu-ray Disc (BD), which is one of next-generation HD-DVD technologies, is a next-generation optical recording scheme capable of storing data significantly exceeding the storage capacity of conventional ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G11B7/004G06F9/44G11B7/00G11B7/007G11B7/09G11B19/12
CPCG11B7/00736G11B19/122G11B20/1217G11B27/322G11B2020/1278G11B2220/215G11B2220/2541G11B7/004G11B7/007G11B20/12
Inventor 金进镛
Owner LG ELECTRONICS INC