Write-once optical disc, and method and apparatus for recording management information on write-once optical disc

• US 7,701,823 B2
• Filed: 05/09/2007
• Issued: 04/20/2010
• Est. Priority Date: 09/30/2002
• Status: Expired due to Fees

• Current Assignee: LG Electronics, Inc. (LG Corporation)
• Original Assignee: LG Electronics, Inc. (LG Corporation)
• Inventors: Kim, Sung Dae, Park, Yong Cheol
• Primary Examiner(s): Edun; Muhammad N.
• Application Number:
  US11/798,009
• Publication Number:
  US 20070211591A1
• Time in Patent Office: 1,077 Days
• Field of Search: 369/47.14, 369/53.15
• US Class Current: 369/53.17
• CPC Class Codes: G11B 20/10009 Improvement or modification of read or write signals
• CPC Class Codes: G11B 20/1883 Methods for assignment of alternate areas for defective areas
• CPC Class Codes: G11B 20/22 for reducing distortions
• CPC Class Codes: G11B 2020/1288 Formatting by padding empty spaces with dummy data, e.g. writing zeroes or random data when de-icing optical discs
• CPC Class Codes: G11B 2020/1873 Temporary defect structures for write-once discs, e.g. TDDS, TDMA or TDFL
• CPC Class Codes: G11B 2220/20 Disc-shaped record carriers
• CPC Class Codes: G11B 2220/2541 Blu-ray discs; Blue laser DVR discs

Abstract

A recording medium, and a method and apparatus for recording management information on the recording medium are discussed. According to an embodiment, the invention provides a method of recording management information on a recording medium, the recording medium including a temporary defect management area (TDMA) and a final defect management area (DMA), the DMA including a defect list area, the method comprising: recording, in the TDMA, defect list information produced while the recording medium is in use, and recording, in the defect list area of the DMA, the latest defect list information included in the TDMA when the recording medium is to be finalized, wherein the defect list area of the DMA includes a plurality of recording units, and the latest defect list information is recorded on at least one of the recording units of the defect list area.

Claims

1. A method of recording management information on a recording medium, the recording medium including a temporary defect management area (TDMA) and a final defect management area (DMA), the DMA including a defect list area, the method comprising:

recording, in the TDMA, defect list information produced while the recording medium is in use; and

recording, in the defect list area of the DMA, the latest defect list information included in the TDMA when the recording medium is to be finalized,

wherein the defect list area of the DMA is divided into a plurality of recording portions, each recording portion includes a plurality of recording units, and the latest defect list information is recorded on the at least one recording portion of the plurality of recording portions of the defect list area, and

wherein if the recording medium includes one recording layer, the number of recording portions is seven and each recording portion includes four recording units, and said recording step records the latest defect list information up to seven times on each recording portion when the recording medium is to be finalized.

2. The method of claim 1, wherein the DMA further includes a disc definition structure area, and the method further comprising;

recording in the TDMA disc definition structure information produced while the recording medium is in use; and

recording, in the disc definition structure area of the DMA, the latest disc definition structure information included in the TDMA when the recording medium is to be finalized,

wherein the disc definition structure area of the DMA includes a plurality of recording units, and the latest disc definition structure information is recorded on the at least one recording unit of the disc definition structure area.

3. An apparatus of recording management information on recording medium, the recording medium including a temporary defect management area (TDMA) and a final defect management area (DMA), the DMA including a defect list area, the apparatus comprising:

a recording device configured to record, in the TDMA, defect list information produced while the recording medium is in use;

the recording device configured to further record, in the defect list area of the DMA, the latest defect list information included in the TDMA when the recording medium is to be finalized,

wherein the defect list area of the DMA is divided into a plurality of recording portions, each recording portion includes a plurality of recording units, and said recording device record the latest defect list information on the at least one recording portion of the plurality of recording portions of the defect list area, and

wherein if the recording medium includes one recording layer, the number of recording portions is seven and each recording portion includes four recording units, and said recording device records the latest defect list information up to seven times on each recording portion when the recording medium is to be finalized.

4. The apparatus of claim 3, wherein the DMA further includes a disc definition structure area, and the apparatus further comprising;

the recording device configured to further record, in the TDMA, disc definition structure information produced while the recording medium is in use and the recording device configured to further record, in the disc definition structure area of the DMA, the latest disc definition structure information included in the TDMA when the recording medium is to be finalized,

wherein the disc definition structure area of the DMA includes a plurality of recording units, and said recording device record the latest disc definition structure information on the at least one recording unit of the disc definition structure area.

5. A recording medium for storing information, the recording medium comprising;

a single recording layer including;

a temporary defect management area (TDMA) for storing defect list information, while the recording medium is in use; and

a final defect management area (DMA) for storing the latest defect list information included in the TDMA when the recording medium is to be finalized,

wherein the DMA is divided into a plurality of recording portions, each recording portion includes a plurality of recording units, and the latest defect list information is recorded on the at least one recording portion of the plurality of recording portions of the defect list area, and

wherein the number of recording portions is seven and each recording portion includes four recording units, and said latest defect list information is recorded up to seven times on each recording portion when the recording medium is to be finalized.

6. The recording medium of claim 5, wherein the DMA further includes a disc definition structure area having a plurality of recording units, and

the temporary defect management area (TDMA) for storing disc definition structure information, while the recording medium is in use;

and

the final defect management area (DMA) for storing the latest disc definition structure information included in the TDMA when the recording medium is to be finalized,

wherein the latest disc definition structure information is recorded on the at least one recording unit of the disc definition structure area.

7. A method of reproducing data from a recording medium, the recording medium including a temporary defect management area (TDMA) and a final defect management area (DMA), the DMA including a defect list area, the method comprising:

reading defect list information from at least one recording portion of the defect list area of the DMA if the recording medium is a finalized recording medium; and

,

reproducing data recorded on the recording medium using the defect list information of the DMA,

wherein the defect list area of the DMA is divided into a plurality of recording portions, each recording portion includes a plurality of recording units, and the defect list information is recorded on the at least one recording portion of the plurality of recording portions, and

wherein if the recording medium includes one recording layer, the number of recording portions is seven and each recording portion includes four recording units, and said defect list information has been recorded up to seven times on each recording portion when the recording medium is finalized.

8. The method of claim 7, wherein the DMA further includes a disc definition structure area, and the method further comprising;

reading disc definition structure information from the disc definition structure area of the DMA if the recording medium is finalized recording medium,

wherein the disc definition structure area of the DMA includes a plurality of recording units, and the disc definition structure information is recorded on the at least one recording unit of the disc definition structure area.

9. An apparatus of reproducing data from a recording medium, the recording medium including a temporary defect management area (TDMA) and a final defect management area (DMA), the DMA including a defect list area, the apparatus comprising:

a reproducing device configured to read, defect list information from at least one recording portion of the defect list area of the DMA if the recording medium is a finalized recording medium, and the reproducing device further configured to reproduce data recorded on the recording medium using the defect list information of the DMA,

wherein the defect list area of the DMA is divided into a plurality of recording portions, each recording portion includes a plurality of recording units, and the defect list information is recorded on the at least one recording portion of the plurality of recording portions, and

wherein if the recording medium includes one recording layer, the number of recording portions is seven and each recording portion includes four recording units, and said defect list information has been recorded up to seven times on each recording portion when the recording medium is finalized.

10. The apparatus of claim 9, wherein the DMA further includes a disc definition structure area, and the apparatus further comprising;

the reproducing device further configured to read disc definition structure information from the disc definition structure area of the DMA if the recording medium is finalized recording medium,

wherein the disc definition structure area of the DMA includes a plurality of recording units, and the disc definition structure information is recorded on the at least one recording unit of the disc definition structure area.

11. A method of recording management information on a recording medium, the recording medium including a temporary defect management area (TDMA) and a final defect management area (DMA), the DMA including a defect list area, the method comprising:

recording, in the TDMA, defect list information produced while the recording medium is in use; and

recording, in the defect list area of the DMA, the latest defect list information included in the TDMA when the recording medium is to be finalized,

wherein the defect list area of the DMA is divided into a plurality of recording portions, each recording portion includes a plurality of recording units, and the latest defect list information is recorded on the at least one recording portion of the plurality of recording portions of the defect list area, and

wherein if the recording medium includes two recording layers, the number of recording portions is seven and each recording portion includes eight recording units, and said recording step records the latest defect list information up to seven times on each recording portion when the recording medium is to be finalized.

12. The method of claim 11, wherein the DMA further includes a disc definition structure area, and the method further comprising;

recording in the TDMA disc definition structure information produced while the recording medium is in use; and

recording, in the disc definition structure area of the DMA, the latest disc definition structure information included in the TDMA when the recording medium is to be finalized,

wherein the disc definition structure area of the DMA includes a plurality of recording units, and the latest disc definition structure information is recorded on the at least one recording unit of the disc definition structure area.

13. An apparatus of recording management information on recording medium, the recording medium including a temporary defect management area (TDMA) and a final defect management area (DMA), the DMA including a defect list area, the apparatus comprising:

a recording device configured to record, in the TDMA, defect list information produced while the recording medium is in use;

the recording device configured to further record, in the defect list area of the DMA, the latest defect list information included in the TDMA when the recording medium is to be finalized,

wherein the defect list area of the DMA is divided into a plurality of recording portions, each recording portion includes a plurality of recording units, and said recording device record the latest defect list information on the at least one recording portion of the plurality of recording portions of the defect list area, and

wherein if the recording medium includes two recording layers, the number of recording portions is seven and each recording portion includes eight recording units, and said recording device records the latest defect list information up to seven times on each recording portion when the recording medium is to be finalized.

14. The apparatus of claim 13, wherein the DMA further includes a disc definition structure area, and the apparatus further comprising;

the recording device configured to further record, in the TDMA, disc definition structure information produced while the recording medium is in use and the recording device configured to further record, in the disc definition structure area of the DMA, the latest disc definition structure information included in the TDMA when the recording medium is to be finalized,

wherein the disc definition structure area of the DMA includes a plurality of recording units, and said recording device record the latest disc definition structure information on the at least one recording unit of the disc definition structure area.

15. A recording medium for storing information, the recording medium comprising;

two recording layers including;

a temporary defect management area (TDMA) for storing defect list information, while the recording medium is in use; and

a final defect management area (DMA) for storing the latest defect list information included in the TDMA when the recording medium is to be finalized,

wherein the DMA is divided into a plurality of recording portions, each recording portion includes a plurality of recording units, and the latest defect list information is recorded on the at least one recording portion of the plurality of recording portions of the defect list area, and

wherein the number of recording portions is seven and each recording portion includes eight recording units, and said latest defect list information is recorded up to seven times on each recording portion when the recording medium is to be finalized.

16. The recording medium of claim 15, wherein the DMA further includes a disc definition structure area having a plurality of recording units, and

the temporary defect management area (TDMA) for storing disc definition structure information, while the recording medium is in use;

and

the final defect management area (DMA) for storing the latest disc definition structure information included in the TDMA when the recording medium is to be finalized,

wherein the latest disc definition structure information is recorded on the at least one recording unit of the disc definition structure area.

17. A method of reproducing data from a recording medium, the recording medium including a temporary defect management area (TDMA) and a final defect management area (DMA), the DMA including a defect list area, the method comprising:

reading defect list information from at least one recording portion of the defect list area of the DMA if the recording medium is a finalized recording medium; and

,

reproducing data recorded on the recording medium using the defect list information of the DMA,

wherein the defect list area of the DMA is divided into a plurality of recording portions, each recording portion includes a plurality of recording units, and the defect list information is recorded on the at least one recording portion of the plurality of recording portions, and

wherein if The recording medium includes two recording layers, the number of recording portions is seven and each recording portion includes eight recording units, and said defect list information has been recorded up to seven times on each recording portion when the recording medium is finalized.

18. The method of claim 17, wherein the DMA further includes a disc definition structure area, and the method further comprising;

reading disc definition structure information from the disc definition structure area of the DMA if the recording medium is finalized recording medium,

wherein the disc definition structure area of the DMA includes a plurality of recording units, and the disc definition structure information is recorded on the at least one recording unit of the disc definition structure area.

19. An apparatus of reproducing data from a recording medium, the recording medium including a temporary defect management area (TDMA) and a final defect management area (DMA), the DMA including a defect list area, the apparatus comprising:

a reproducing device configured to read, defect list information from at least one recording portion of the defect list area of the DMA if the recording medium is a finalized recording medium, and the reproducing device further configured to reproduce data recorded on the recording medium using the defect list information of the DMA,

wherein the defect list area of the DMA is divided into a plurality of recording portions, each recording portion includes a plurality of recording units, and the defect list information is recorded on the at least one recording portion of the plurality of recording portions, and

wherein if the recording medium includes two recording layers, the number of recording portions is seven and each recording portion includes eight recording units, and said defect list information has been recorded up to seven times on each recording portion when the recording medium is finalized.

20. The apparatus of claim 19, wherein the DMA further includes a disc definition structure area, and the apparatus further comprising;

the reproducing device further configured to read disc definition structure information from the disc definition structure area of the DMA if the recording medium is finalized recording medium,

wherein the disc definition structure area of the DMA includes a plurality of recording units, and the disc definition structure information is recorded on the at least one recording unit of the disc definition structure area.