Method and apparatus for recording management information on a recording medium and the recording medium

• US 7,570,557 B2
• Filed: 06/08/2005
• Issued: 08/04/2009
• Est. Priority Date: 06/08/2004
• Status: Active Grant

• Current Assignee: LG Electronics, Inc. (LG Corporation)
• Original Assignee: LG Electronics, Inc. (LG Corporation)
• Inventors: Kim, Yong Kook
• Primary Examiner(s): Ortiz Criado; Jorge L
• Application Number:
  US11/147,198
• Publication Number:
  US 20050270946A1
• Time in Patent Office: 1,518 Days
• Field of Search: 369/53.15
• US Class Current: 369/53.15
• CPC Class Codes: G11B 20/1883 Methods for assignment of alternate areas for defective areas
• 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

Abstract

The write-once recording medium has a data structure for managing temporary defect management areas, TDMAs, of the recording medium, where each TDMA is for at least storing temporary defect management information. In one embodiment, the recording medium includes a TDMA access indicator, TAI, area for selectively storing data indicating which one of the TDMAs is currently in use.

Claims

1. A method of recording management information on a recording medium, the recording medium including one or more temporary management areas and a plurality of final management areas, the method comprising:

recording final management information into each of the final management areas when the recording medium is to be closed, the final management information copied from latest temporary management information recorded in the one or more temporary management areas except location information indicating a location of a first valid defect list, where the latest temporary management information includes 00h as the location information and the final management information includes an address of a first valid defect list within a corresponding final management area as the location information; and

creating a first indicator to indicate whether or not the recording medium is closed,

wherein the first indicator contains final management information recorded in one of the final management areas.

2. A method of reproducing data recorded on a recording medium, the recording medium including one or more temporary management areas and a plurality of final management areas, the method comprising:

determining whether or not the recording medium is closed based on a first indicator;

reading final management information from the final management areas if the recording medium is determined to be closed, the final management information copied into each of the final management areas when closing the recording medium from latest temporary management information recorded in the one or more temporary management areas except location information indicating a location of a first valid defect list, where the latest temporary management information includes 00h as the location information and the final management information includes an address of a first valid defect list within a corresponding final management area as the location information; and

reproducing data from the recording medium based on the read final management information,

wherein the first indicator contains final management information recorded in one of the final management areas if the recording medium is closed.

3. An apparatus for recording management information on a computer readable recording medium, the computer readable recording medium including one or more temporary management area and a plurality of final management area, the apparatus comprising:

a pickup configured to record data on the computer readable recording medium;

a microcomputer configured to control the pickup to final management information into each of the final management areas when the computer readable recording medium is to be closed, the final management information copied from latest temporary management information recorded in the one or more temporary management areas except location information indicating a location of a first valid defect list, where the latest temporary management information includes 00h as the location information and the final management information includes an address of a first valid defect list within a corresponding final management area as the location information; and

control the pickup to create a first indicator to indicate whether or not the computer readable recording medium is closed,

wherein the first indicator contains final management information recorded in one of the final management areas.

4. The apparatus of claim 3, wherein the final management areas includes first and second final management areas in a lead-in area of the computer readable recording medium and third and fourth final management areas in a lead-out area of the computer readable recording medium, and the one of the final management areas is the first management area which is located in an outer portion of the lead-in area.

5. The apparatus of claim 3, wherein the first indicator includes a plurality of sectors and the microcomputer is configured to control the pickup to record the final management information recorded in the one of the final management areas into at least one of the sectors.

6. The apparatus of claim 3, wherein the first indicator includes a plurality of sectors and the microcomputer is configured to control the pickup to record the final management information recorded in the one of the final management areas into each of the sectors.

7. The apparatus of claim 5, wherein the microcomputer is configured to control the pickup to create the first indicator at a head cluster of one of the one or more temporary management areas.

8. The apparatus of claim 3, wherein the latest management information recorded in the at least one temporary management area is temporary disc definition structure (TDDS) information and the final management information contained in the first indicator is disc definition structure (DDS) information.

9. An apparatus for reproducing data recorded on a computer readable recording medium, the computer readable recording medium including one or more temporary management areas and a plurality of final management areas, the apparatus comprising:

a pickup configured to reproduce data recorded on the computer readable recording medium;

a microcomputer configured to determine whether or not the computer readable recording medium is closed based on a first indicator of the computer readable recording medium;

control the pickup to read final management information from the final management areas if the computer readable recording medium is determined to be closed, the final management information copied into each of the final management areas when closing the recording medium from latest temporary management information recorded in the one or more temporary management areas except location information indicating a location of a first valid defect list, where the latest temporary management information includes 00h as the location information and the final management information includes an address of a first valid defect list within a corresponding final management area as the location information; and

control the pickup to read data from the computer readable recording medium based on the read final management information,

wherein the first indicator contains final management information recorded in one of the final management areas if the computer readable recording medium is closed.

10. The apparatus of claim 9, wherein the final management areas includes first and second final management areas in a lead-in area of the computer readable recording medium and third and fourth final management areas in a lead-out area of the computer readable recording medium, and the one of the final management areas is the first management area which is located in an outer portion of the lead-in area.

11. The apparatus of claim 9, wherein the first indicator includes a plurality of sectors and the microcomputer is configured to control the pickup to read the final management information from at least one of the sectors contained in the first indicator.

12. The apparatus of claim 9, wherein the first indicator includes a plurality of sectors and the microcomputer is configured to control the pickup to read the final management information from each of the sectors contained in the first indicator.

13. The apparatus of claim 11, wherein the microcomputer is configured to control the pickup to access a location of the valid defect list within a final management area based on the location information in final management information recorded in the final management area.

14. The apparatus of claim 11, wherein the microcomputer is configured to check the first indicator at a head cluster of a temporary management area in a lead-in area of the computer readable recording medium.

15. The apparatus of claim 14, wherein the final management information contained in the first indicator is disc definition structure (DDS) information.

16. A computer readable medium comprising:

one or more temporary management areas for storing temporary management information;

a plurality of final management areas for storing final management information, the final management information copied from latest management information recorded in the one or temporary management areas except location information indicating a location of a first valid defect list when the computer readable medium is to be closed, where the latest temporary management information includes 00h as the location information and the final management information includes an address of a first valid defect list within a corresponding final management area as the location information; and

a first indicator to indicate whether or not the computer readable medium is closed,

wherein the first indicator contains final management information recorded in one of the final management areas if the computer readable medium is closed.

17. The computer readable medium of claim 16, wherein the final management areas include first and second final management areas in a lead-in area of the computer readable medium and third and fourth final management areas in a lead-out area of the computer readable medium, and the one of the final management areas is the first management area which is located in an outer portion of the lead-in area.

18. The computer readable medium of claim 16, wherein the first indicator includes a plurality of sectors and at least one of the sectors contains the final management information recorded in the one of the final management areas.

19. The computer readable medium of claim 16, wherein the first indicator includes a plurality of sectors and each of the sectors contains the final management information recorded in the one of the final management areas.

20. The computer readable medium of claim 18, wherein the first indicator is located at a head cluster of one of the one or more temporary management areas.

21. The computer readable medium of claim 16, wherein the temporary management information is temporary disc definition structure (TDDS) information and the final management information contained in the first indicator is disc definition structure (DDS) information.