Recording, reproducing and product for management of data having a temporary defect management area containing at least one pointer

• US 7,522,501 B2
• Filed: 05/07/2004
• Issued: 04/21/2009
• Est. Priority Date: 05/09/2003
• Status: Expired due to Fees

• Current Assignee: LG Electronics, Inc. (LG Corporation)
• Original Assignee: LG Electronics, Inc. (LG Corporation)
• Inventors: Park, Yong Cheol
• Primary Examiner(s): Hindi; Nabil Z
• Application Number:
  US10/840,264
• Publication Number:
  US 20040240341A1
• Time in Patent Office: 1,810 Days
• Field of Search: 369/275.1, 369/275.4, 369/47.14, 369/53.15, 369/275.3, 369/53.17, 369/53.16, 714/6
• US Class Current: 369/53.15
• CPC Class Codes: G11B 20/1883 Methods for assignment of alternate areas for defective areas

Abstract

The data structure on the recording medium includes a temporary defect management area storing a data block. The data block includes sequential recording information and a temporary definition structure. The sequential recording information provides information on continuous recording areas in the data area of the recording medium. The temporary definition structure includes at least one pointer to information in the temporary defect management area.

Claims

1. A recording medium having a data structure for managing a data area of a recording medium, comprising:

a temporary defect management area storing a first data block, the first data block including sequential recording information and a temporary definition structure, the sequential recording information providing information on continuous recording areas in the data area of the recording medium, the temporary definition structure including at least one pointer to information in the temporary defect management area.

2. The recording medium of claim 1, wherein the first data block has a size of at least one cluster.

3. The recording medium of claim 2, wherein one sector of the first data block is devoted to the temporary definition structure and at most 31 sectors of the first data block are devoted to the sequential recording information.

4. The recording medium of claim 3, wherein a first sector of the sequential recording information is located adjacent to the temporary definition structure.

5. The recording medium of claim 1, wherein the sequential recording information includes a header, information entries for each continuous recording area and a terminator, the header identifying the sequential recording information as sequential recording information, each information entry providing information on an associated continuous recording area, and the terminator indicating an end of the sequential recording information.

6. The recording medium of claim 5, wherein the header information indicates a number of the continuous recording areas.

7. The recording medium of claim 6, wherein the header information indicates a number of the continuous recording areas open for recording.

8. The recording medium of claim 5, wherein the header information indicates a number of the continuous recording areas open for recording.

9. The recording medium of claim 5, wherein each information entry indicates whether the associated continuous recording area is a first continuous recording area in a group of continuous recording areas.

10. The recording medium of claim 5, wherein each information entry indicates whether the associated continuous recording area is open for recording.

11. The recording medium of claim 5, wherein each information entry indicates a starting physical sector number of the associated continuous recording area.

12. The recording medium of claim 5, wherein each information entry indicates a last recording address of the associated continuous recording area.

13. The recording medium of claim 5, wherein each information entry indicates a status of the associated continuous recording area, indicates a starting physical sector number of the associated continuous recording area, and indicates a last recording address of the associated continuous recording area.

14. The recording medium of claim 13, wherein the status indicates whether the associated continuous recording area is a start of a group of continuous recording areas.

15. The recording medium of claim 1, wherein the temporary definition structure includes a pointer to a temporary defect list in the temporary defect management area, the temporary defect list indicating defects in the data area.

16. The recording medium of claim 1, wherein the temporary defect management area comprises:

a second data block, the second data block including a later recorded sequential recording information as compared to the first data block, the later recorded sequential recording information including the sequential recording information of the first data block and new sequential recording information.

17. The recording medium of claim 16, wherein

the sequential recording information in the first and second data blocks each include a header, information entries for each continuous recording area and a terminator, the header identifying the sequential recording information as sequential recording information, each information entry providing information on an associated continuous recording area, and the terminator indicating an end of the sequential recording information;

and

the information entries in the sequential recording information in the first and second data blocks are sorted by entry into the sequential recording information.

18. The recording medium of claim 16, wherein

the sequential recording information in the first and second data blocks each include a header, information entries for each continuous recording area and a terminator, the header identifying the sequential recording information as sequential recording information, each information entry providing information on an associated continuous recording area, and the terminator indicating an end of the sequential recording information;

and

each information entry in the sequential recording information in the first and second data blocks includes a status indicator indicating a status of the associated continuous recording area; and

the information entries in the sequential recording information in the first and second data blocks are sorted by status.

19. A method of recording management data on a recording medium, comprising:

recording a first data block in a temporary defect management area, the first data block including sequential recording information and a temporary definition structure, the sequential recording information providing information on continuous recording areas in the data area of the recording medium, the temporary definition structure including at least one pointer to information in the temporary defect management area.

22. The method of claim 19, wherein the first data block has a plurality of sectors and one sector of the first data block is devoted to the temporary definition structure and remaining sectors of the first data block are devoted to the sequential recording information.

24. The method of claim 22, wherein the temporary definition structure is recorded in a first sector of the first data block.

25. The method of claim 19, the method further comprising:

recording a second data block, the second data block including a later recorded sequential recording information as compared to the first data block, the later recorded sequential recording information including the sequential recording information of the first data block and new sequential recording information.

20. A method of reproducing data from a recording medium, comprising:

reproducing at least a portion of data recorded on the recording medium based on a data block recorded in a temporary defect management area of the recording medium, the data block including sequential recording information and a temporary definition structure, the sequential recording information providing information on continuous recording areas in the data area of the recording medium, the temporary definition structure including at least one pointer to information in the temporary defect management area.

26. The method of claim 20, wherein the data block has a plurality of sectors and one sector of the data block is devoted to the temporary definition structure and remaining sectors of the data block are devoted to the sequential recording information.

27. The method of claim 26, wherein the temporary definition structure is reproduced from a last sector of the data block.

28. The method of claim 26, wherein the temporary definition structure is reproduced from a first sector of the data block.

21. An apparatus for recording management data on a recording medium, comprising:

an optical pickup configured to record data on the recording medium; and

a controller, operatively coupled to the optical pickup, configured to control the optical pickup to record a first data block in a temporary defect management area, the first data block including sequential recording information and a temporary definition structure, the sequential recording information providing information on continuous recording areas in the data area of the recording medium, the temporary definition structure including at least one pointer to information in the temporary defect management area.

29. The apparatus of claim 21, further comprising:

an encoder, operatively controlled by the controller, configured to receive and encode input data;

a multiplexer, operatively controlled by the controller, configured to multiplex the encoded data based on the coding information and stream attribute information to create a transport stream; and

a source packetizer, operatively controlled by the controller, configured to packetize the transport stream from the multiplexer into the source packets.

30. The apparatus of claim 21, wherein the first data block has a plurality of sectors and the controller configured to control the optical pickup to record the temporary definition structure in one sector of the first data block and the sequnetial recording information in remaining sectors of the first data block.

31. The apparatus of claim 30, the controller configured to control the optical pickup to record the temporary definition structure in a last sector of the first data block.

32. The apparatus of claim 30, the controller configured to control the optical pickup to record the temporary definition structure in a first sector of the first data block.

33. The apparatus of claim 21, the controller configured to further control the optical pickup to record a second data block, the second data block including a later recorded sequential recording information as compared to the first data block, the later recorded sequential recording information including the sequential recording information of the first data block and new sequential recording information.

23. The method of cliam 22, wherein the temporary definition structure is recorded in a last sector of the first data block.

34. An apparatus for reproducing data from a recording medium, comprising:

an optical pickup configured to reproduce data from the recording medium; and

a controller, operatively coupled to the optical pickup, configured to control the optical pickup to reproduce a data block in a temporary defect management area, the data block including sequential recording information and a temporary definition structure, the sequential recording information providing information on continuous recording areas in the data area of the recording medium, the temporary definition structure including at least one pointer to information in the temporary defect management area.

35. The apparatus of claim 34, further comprising:

a source depacketizer, operatively controlled by the controller, configured to convert source packets received from the drive into a data stream;

a demultiplexer, operatively controlled by the controller, configured to demultiples the data stream into encoded data; and

a decoder, operatively controlled by the controller, configured to decode the encoded data to produce original data.

36. The apparatus of claim 34, wherein the data block has a plurality of sectors and the controller configured to control the optical pickup to reproduce the temporary definition structure from one sector of the data block and the sequential recording information from remaining sectors of the data block.

37. The apparatus of claim 36, the controller configured to control the optical pickup to reproduce the temporary definition structure from a last sector of the data block.

38. The apparatus of claim 36, the controller configured to control the optical pickup to reproduce the temporary definition structure from a first sector of the data block.