Method and apparatus for managing defective area on recording medium, and recording medium using the same

• US 7,613,085 B2
• Filed: 03/28/2008
• Issued: 11/03/2009
• Est. Priority Date: 01/14/2003
• Status: Active Grant

• Current Assignee: LG Electronics, Inc. (LG Corporation)
• Original Assignee: LG Electronics, Inc. (LG Corporation)
• Inventors: Kim, Sung Dae, Park, Yong Cheol
• Primary Examiner(s): Huber; Paul
• Application Number:
  US12/078,336
• Publication Number:
  US 20080189571A1
• Time in Patent Office: 585 Days
• Field of Search: None
• US Class Current: 369/47.14
• 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
• CPC Class Codes: G11B 7/00375 arrangements for detection of physical defects, e.g. of recording layer
• CPC Class Codes: G11B 7/007 Arrangement of the information on the record carrier, e.g. form of tracks , actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
• CPC Class Codes: G11B 7/00736 Auxiliary data, e.g. lead-in, lead-out, Power Calibration Area [PCA], Burst Cutting Area [BCA], control information sector headers or adresses in prepits G11B7/00745; address data in track wobble G11B7/24082

Abstract

A method and apparatus for managing a defective area of a recording medium, are discussed. According to an embodiment, the method includes identifying a finalization state by searching identification information indicating whether or not the recording medium is finalized; searching a location of defect list information recorded in a management area when identification information indicating the recording medium is finalized; and searching a location of latest temporary defect list information recorded in a temporary management area when identification information indicating the recording medium is not finalized.

Claims

1. A method for managing a defective area of a recording medium, comprising:

identifying a finalization state by searching identification information indicating whether or not the recording medium is finalized;

searching a location of defect list information recorded in a management area when the identification information indicating the recording medium is finalized; and

searching a location of latest temporary defect list information recorded in a temporary management area when the identification information indicating the recording medium is not finalized.

2. The method of claim 1, the method further comprising:

performing either a writing operation or reproducing operation according to the latest temporary defect list information when the identification information indicating the recording medium is not finalized.

3. The method of claim 1, the method further comprising:

performing a reproducing operation according to the defect list information when the identification information indicating the recording medium is finalized.

4. The method of claim 1, wherein the location of defect list information recorded in the management area includes a first physical sector number of the defect list information.

5. The method of claim 1, wherein the location of latest temporary defect list information recorded in the temporary management area includes a first physical sector number of the latest temporary defect list information.

6. The method of claim 1, wherein the identification information indicating whether or not the recording medium is finalized comprises at least one byte.

7. An apparatus for managing a defective area of a recording medium, comprising:

an optical pickup configured to read/write data from/on the recording medium; and

a controller, operatively coupled to the optical pickup, configured to identify a finalization state by searching identification information indicating whether or not the recording medium is finalized, to search a location of defect list information recorded in a management area when the identification information indicating the recording medium is finalized, and to search a location of latest temporary defect list information recorded in a temporary management area when the identification information indicating the recording medium is not finalized.

8. The apparatus of claim 7, wherein the controller is further configured to control the optical pickup to perform either a writing operation or reproducing operation according to the latest temporary defect list information when the identification information indicating the recording medium is not finalized.

9. The apparatus of claim 7, wherein the controller is further configured to control the optical pickup to perform reproducing operation according to the defect list information when the identification information indicating the recording medium is finalized.

10. The apparatus of claim 7, wherein the location of defect list information recorded in the management area includes a first physical sector number of the defect list information.

11. The apparatus of claim 7, wherein the location of latest temporary defect list information recorded in the temporary management area includes a first physical sector number of the latest temporary defect list information.

12. The apparatus of claim 7, wherein the identification information indicating whether or not the recording medium is finalized comprises at least one byte.

13. A recording medium having a lead-in area and a data area, the recording medium comprising:

an area used to indicate a finalization state by using identification information indicating whether or not the recording medium is finalized;

a final management area used to store defect list information when the identification information indicating the recording medium is finalized; and

a temporary management area used to store temporary defect list information when the identification information indicating the recording medium is not finalized.

14. The recording medium of claim 13, wherein the final management area is allocated within the lead-in area.

15. The recording medium of claim 13, wherein the temporary management area is allocated within the lead-in area.

16. The recording medium of claim 13, wherein the temporary management area is allocated within a spare area of the data area.