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Fault detection capable of recording storage medium

A storage medium and optical storage medium technology, which is applied in recording information storage, data recording, information storage and other directions, and can solve problems such as serious recording.

Inactive Publication Date: 2003-04-09
THOMSON LICENSING SA
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

The problem of recording is exacerbated by the widespread use of recordable storage media

Method used

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  • Fault detection capable of recording storage medium
  • Fault detection capable of recording storage medium
  • Fault detection capable of recording storage medium

Examples

Experimental program
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Embodiment Construction

[0011] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT

[0012] exist figure 1 A block diagram of a system and storage media device 100 that can implement the advantages of the present invention is shown in . However, the present invention is not limited to figure 1 The specific embodiment device in the present invention can also be implemented in any other suitable storage medium device that can record digitally encoded signals on a storage medium. In addition, the device 100 is not limited to read data from or write data to a specific type of storage medium, and any other suitable storage medium capable of storing digitally encoded multimedia data can be used for the device 100 . The rewritable DVD technology will be described below to help explain the present invention.

[0013] According to the invention, apparatus 100 may comprise a controller 101 for locating defects in recordable storage media. In one approach, the controller 101 may include a back-end processor or...

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Abstract

The invention concerns a method (200) and system (100) for detecting defects in a recordable storage medium including the steps of: accessing (212) a segment of multimedia data that has been recorded onto a first portion of the recordable storage medium; selectively examining (214) the segment to determine whether the first portion contains a defect; and taking (222) corrective measures if a defect is detected, wherein the corrective measures are one or more of the corrective measures selected from the group including: generating a defect message; storing the address of the first portion of the recordable storage medium in a table; writing the segment of multimedia data onto a second portion of the recordable storage medium; or modifying the selectively examining step.

Description

field of invention [0001] The device of the invention relates to a video recording system, in particular to a video recording system for recording digitally encoded video sequences on media such as recordable digital video discs, hard disks and magneto-optical discs. Background technique [0002] Many types of recordable storage media are prone to scratches or tears in their storage areas. Also, even a well-protected storage medium becomes less effective after being used many times. For example, DVD discs can get scratched, which can cause problems with the playback of data recorded on the damaged areas. In addition, the reflectivity of DVD discs deteriorates after many recordings. [0003] Disadvantageously, the user is usually not aware of the state of the storage medium on which the data is recorded. Thus, a user may record a very long program and find that a portion of the program is recorded in a damaged or worn area of ​​the media. With the widespread use of record...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G11B20/10G11B20/18
CPCG11B20/1883G11B2020/1823G11B2020/1893G11B2220/20G11B20/1816G11B20/18
Inventor M·A·舒尔茨S·林
Owner THOMSON LICENSING SA
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