A recording medium, and a method and apparatus for managing the recording medium
A technology for recording media and management areas, applied in optical recording/reproducing/erasing methods, data recording, recording information storage, etc.
Inactive Publication Date: 2009-06-24
LG ELECTRONICS INC
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[0004] However, a preferred management method for dealing with defective recording media (such as Blu-ray Discs) used in the above-mentioned recording / reproducing methods has not yet been established, causing many limitations and problems in the development of BD-based optical recording / reproducing apparatuses.
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[0038] Reference will now be made in detail to embodiments of the invention, examples of which are illustrated in the accompanying drawings. Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like parts.
[0039] Before describing the present invention, it should be pointed out that most of the terms disclosed in the present invention correspond to general terms well known in the technical field, but hereinafter, it will be disclosed in the following description of the present invention by the applicant as needed Selected terms. Therefore, terms defined by the present applicant are preferably understood based on their meanings in the present invention.
[0040] The recording medium used in the present invention indicates a recording medium on which data is recorded according to various recording schemes or all recordable media such as optical discs and magnetic tapes, and the like.
[0041] In more detail, various optic...
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A recording medium, and a method and apparatus for manage the recording medium are disclosed. A method for managing a recording medium including a plurality of recording layers, according to an aspect of the present invention, comprises detecting a defect on a first area of a first recording layer of the recording medium; recording first defect management information for the first area in a management area of the recording medium; and recording, in the management area, second defect management information for a second area of a second recording layer, wherein the second area is in a location physically corresponding to that of the first area. A method for managing a recording medium, according to another aspect of the present invention, comprises recording a defect list, which includes management information for a defective area of the recording medium, in at least one defect list position contained in a management area of the recording medium; and recording status information indicating a record status of the defect list position.
Description
technical field [0001] The present invention relates to a recording medium, and a method and apparatus for recording / reproducing data in / from a recording medium, and more particularly relates to a method for efficiently recording / reproducing data in / from a recording medium. A method and apparatus for reproducing data from a medium. Background technique [0002] In general, optical discs have been widely used as recording media capable of recording large amounts of data therein. In particular, recently, a high-density optical recording medium capable of recording / storing high-quality video data and high-quality audio data over a long period of time, such as a Blu-ray Disc (BD), has been developed. [0003] The BD based on the next-generation recording medium technology has been considered as a next-generation optical recording scheme capable of storing much more data than conventional DVDs. Recently, many developers have conducted intensive research on international standar...
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IPC IPC(8): G11B7/007G11B20/12
CPCG11B7/00458G11B7/00736G11B7/24038G11B20/18G11B2020/1221G11B2220/2541
Inventor 金城埙朴容徹
Owner LG ELECTRONICS INC