Optical information storage medium and method of and apparatus for recording and/or reproducing information on and/or from the optical information storage medium

• US 20040114481A1
• Filed: 09/02/2003
• Published: 06/17/2004
• Est. Priority Date: 09/02/2002
• Status: Abandoned Application

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: Shim, Jae seong, Yoon, Du-seop, Park, In-sik, Park, Hyun-soo, Lee, Kyung-geun, Chung, Chong-sam, Ma, Byung-in
• Application Number:
  US10/652,859
• Publication Number:
  US 20040114481A1
• Time in Patent Office: Days
• US Class Current: 369/47.31
• CPC Class Codes: G11B 20/1426 conversion to or from block codes or representations thereof
• CPC Class Codes: G11B 20/22 for reducing distortions
• CPC Class Codes: G11B 2220/216 Rewritable discs
• CPC Class Codes: G11B 2220/218 Write-once discs
• CPC Class Codes: G11B 2220/2545 CDs
• CPC Class Codes: G11B 2220/2562 DVDs [digital versatile discs]; Digital video discs; MMCDs; HDCDs
• CPC Class Codes: G11B 2220/2575 DVD-RAMs
• CPC Class Codes: G11B 27/24 by sensing features on the record carrier other than the transducing track ; sensing signals or marks recorded by another method than the main recording
• CPC Class Codes: G11B 27/3027 used signal is digitally coded
• 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

An optical information storage medium and a method of recording and/or reproducing information on and/or from the optical information storage medium includes a lead-in area, a user data area, and a lead-out area in which data is recorded. The data that is not modified on storage media complying with the same physical format is recorded in the entire lead-in area or a portion of the lead-in area. A data recording modulation method used in the entire lead-in area or the portion of the lead-in area is different from a data recording modulation method used in a remaining area of the optical information storage medium.

Claims

1. An optical information storage medium encoded with data readable by one of a computer and a drive to implement a method of recording data in a lead-in area, a user data area, and a lead-out area, comprising:

first data that is used for reproducing a first signal, and that is not modified depending on storage media to comply with the same physical format and is recorded in the entire lead-in area or a portion of the lead-in area using a first data recording modulation method; and

second data that is used for reproducing a first signal, and that is recorded in a remaining area of the optical information storage medium other than the entire lead-in area or the portion of the lead-in area using a second data recording modulation method different from the first data recording modulation method.

2. The optical information storage medium of claim 1, wherein the entire lead-in area or the portion of the lead-in area is an area in which optical information storage medium-related information is recorded.

3. The optical information storage medium of claim 2, wherein the first data recording modulation is a bi-phase modulation method, and the second data recording modulation method is an RLL modulation method.

4. The optical information storage medium of claim 3, wherein the RLL modulation method is an RLL (1, 7) modulation method.

5. The optical information storage medium of claim 4, further comprising:

a sync pattern which is formed in the remaining area of the optical information storage medium other than the entire lead-in area or the portion of the lead-in area using the RLL (1,

     7) modulation method and comprises at least one of a pit and a space having a length of 9T or more.

6. The optical information storage medium of claim 3, wherein the first data recorded according to the bi-phase modulation method comprises marks of lengths of nT and 2nT and spaces of lengths nT and 2nT where n is within the range of 2≦

n≦

4.

7. The optical information storage medium of claim 6, further comprising:

a sync pattern which is formed in the entire lead-in area or the portion of the lead-in area using the bi-phase modulation method and comprises at least one of a pit and a space having a length of 9T or more.

8. The optical information storage medium of claim 7, further comprising:

an identification mark recorded with a pattern in which a pit and a space having the length of 9T or more is repeated at least one time or more.

9. The optical information storage medium of claim 3, wherein the RLL modulation method is an RLL (2, 10) modulation method.

10. The optical information storage medium of claim 9, further comprising:

a sync pattern which is formed in the remaining area of the optical information storage medium other than the entire lead-in area or the portion of the lead-in area using the RLL modulation method and comprises at least one of a pit and a space having a length of 12T or more.

11. The optical information storage medium of claim 10, wherein the first data recorded according to the bi-phase modulation method comprises:

marks of lengths nT and 2nT and spaces of lengths nT and 2nT where n is within the range of 3≦

n≦

5.

12. The optical information storage medium of claim 11, further comprising:

a sync pattern which is formed in the remaining area of the optical information storage medium other than the entire lead-in area or the portion of the lead-in area using the bi-phase modulation method and comprises at least one of a pit and a space having a length of 12T or more.

13. The optical information storage medium of claim 12, further comprising:

an identification mark recorded with a pattern in which a pit and a space having a length of 12T or more are repeated at least one time or more.

14. The optical information storage medium of claim 11, further comprising:

an identification mark recorded with a pattern in which a pit and a space having a length of 12T or more are repeated at least one time or more.

15. The optical information storage medium of claim 1, wherein the first data recording modulation method is a bi-phase modulation method, and the second data recording modulation method is an RLL modulation method.

16. The optical information storage medium of claim 15, wherein the RLL modulation method is an RLL (1, 7) modulation method.

17. The optical information storage medium of claim 16, further comprising:

a sync pattern which is formed in the remaining area of the optical information storage medium other than the entire lead-in area or the portion of the lead-in area using the RLL (1,

     7) modulation method and comprises at least one of a pit and a space having a length of 9T or more.

18. The optical information storage medium of claim 15, wherein the first data recorded according to the bi-phase modulation method comprises:

marks of lengths of nT and 2nT and spaces of the lengths nT and 2nT where n is within a range of 2≦

n≦

4.

19. The optical information storage medium of claim 18, further comprising:

a sync pattern which is formed in the entire lead-in area or the portion of the lead-in area using the bi-phase modulation method and comprises at least one of a pit and a space having a length of 9T or more.

20. The optical information storage medium of claim 19, further comprising:

an identification mark recorded with a pattern in which a pit and a space having a length of 9T or more is repeated at least one time or more.

21. The optical information storage medium of claim 15, wherein the RLL modulation method is an RLL (2, 10) modulation method.

22. The optical information storage medium of claim 21, further comprising:

a sync pattern which is formed in the remaining area of the optical information storage medium other than the entire lead-in area or the portion of the lead-in area using the RLL modulation method and comprises at least one of a pit and a space having a length of 12T or more.

23. The optical information storage medium of claim 3, wherein a length of a pit or space used in the bi-phase modulation method is included within a range of a length of a pit or space used in the RLL modulation method.

24. The optical information storage medium of claim 1, further comprising:

one or more information surfaces formed with the first and second data.

25. A method of recording information on and/or reproducing information from an optical information storage medium having a lead-in area, a user data area, and a lead-out area, the method comprising:

recording first data that is not modified depending on storage media to comply with the same physical format, in the entire lead-in area or a portion of the lead-in area according to a first data recording modulation method; and

recording second data in a remaining area of the optical information storage medium other than the entire lead-in area or the portion of the lead-in area according to a second data recording modulation method that is different from the first data recording modulation method.

26. The method of claim 25, wherein the recording of the first data in the entire lead-in area or the portion of the lead-in area comprises:

recording the first data in an area in which optical information storage medium-related information is recorded.

27. The method of claim 26, wherein the first data recording modulation method is a bi-phase modulation method, and the second data recording modulation method is an RLL modulation method.

28. The method of claim 27, wherein the RLL modulation method is an RLL (1, 7) modulation method.

29. The method of claim 28, further comprising:

forming a sync pattern which is formed in the remaining area using the RLL (1,

     7) modulation method and comprises at least one of a pit and a space having a length of 9T or more.

30. The method of claim 29, wherein the first data recorded according to the bi-phase modulation method comprises:

marks of lengths of nT and 2nT and spaces of lengths nT and 2nT where n is within the range of 2≦

n≦

4.

31. The method of claim 29, further comprising:

forming a sync pattern which is formed in the entire lead-in area or the portion of the lead-in area using the bi-phase modulation method and comprises at least one of a pit and a space having a length of 9T or more.

32. The method of claim 27, further comprising:

forming an identification mark recorded with a pattern in which a pit and a space having a length of 9T or more is repeated at least one time or more.

33. The method of claim 32, wherein the RLL modulation method is an RLL (2, 10) modulation method.

34. The method of claim 33, further comprising:

forming a sync pattern in the remaining area using the RLL modulation method and having at least one of a pit and a space having a length of 12T or more.

35. The method of claim 34, wherein the first data recorded according to the bi-phase modulation method comprises:

marks of lengths nT and 2nT and spaces of lengths nT and 2nT where n is within a range of 3≦

n≦

5.

36. The method of claim 33, further comprising:

forming a sync pattern in the entire lead-in area or the portion of the lead-in area using the bi-phase modulation method and recorded with a pattern in which a sequence of a mark and a space having a length of 12T or more is repeated at least one time or more.

37. The method of claim 27, wherein further comprising:

forming an identification mark recorded with a pattern in which a pit and a space having a length of 12T or more are repeated at least one time or more, in the entire lead-in area or the portion of the lead-in area.

38. The method of claim 27, wherein a length of a pit or space used in the bi-phase modulation method is included within a range of a length of a pit or space used in the RLL modulation method.

39. The method of claim 25, wherein the first data recording modulation method is a bi-phase modulation method, and the second data recording modulation method is an RLL modulation method.

40. The method of claim 39, wherein the RLL modulation method is an RLL (1, 7) modulation method.

41. The method of claim 40, further comprising:

forming a sync pattern using the RLL (1,

     7) modulation method in the remaining area and having at least one of a pit and a space having a length of 9T or more.

42. The method of claim 41, wherein the first data recorded according to the bi-phase modulation method comprises:

marks of lengths of nT and 2nT and spaces of lengths nT and 2nT where n is within a range of 2≦

n≦

4.

43. The method of claim 41, further comprising:

forming a sync pattern in the entire lead-in area or the portion of the lead-in area using the bi-phase modulation method and having at least one of a pit and a space having a length of 9T or more.

44. A method of recording information on and/or reproducing information from an optical information storage medium having a lead-in area, a user data area, and a lead-out area, the method comprising:

recording first data in the entire lead-in area or a portion of the lead-in area according to a first data recording modulation method; and

recording second data in a remaining area of the optical information storage medium other than the entire lead-in area or the portion of the lead-in area according to a second data recording modulation method that is different from the first data recording modulation method.

45. The method of claim 44, wherein the first data is not changed depending storage media to comply with the same physical format.

46. The method of claim 44, wherein the first data recording modulation method is a bi-phase modulation method, and the second data recording modulation method is an RLL modulation method.

47. The method of claim 46, wherein recording of the first data and the recording of the second data comprise recording a pit and a space in the on the lead-in area, a user data area, and a lead-out area, and a period of the pit and the space recorded according to the bi-phase modulation method is included within a range of a period of the pit and the space used in the RLL modulation method.

48. The method of claim 46, wherein recording of the first data and the recording of the second data comprise recording a sync pattern using the bi-phase modulation method, and the sync pattern includes the pit or space of a maximum length contained in the sync pattern recorded using the RLL modulation method.

49. The method of claim 46, wherein the first data and second data are reproducible using the same phase-locked loop (PLL) circuit.

50. A method of recording and/or reproducing information on and/or from an optical information storage medium having a lead-in area, a user data area, and a lead-out area, the method comprising:

reproducing first data from the entire lead-in area or a portion of the lead-in area using a PLL circuit; and

reproducing second data from a remaining area of the optical information storage medium other than the entire lead-in area or the portion of the lead-in area using the PLL circuit.

51. A drive recording and/or reproducing information on and/or from an optical information storage medium having a lead-in area, a user data area, and a lead-out area, the drive comprising:

a recording unit recording first data in the entire lead-in area or a portion of the lead-in area according to a first data recording modulation method, and recording second data in a remaining area of the optical information storage medium other than the entire lead-in area or the portion of the lead-in area according to a second data recording modulation method that is different from the first data recording modulation method.

52. A drive recording and/or reproducing information on and/or from an optical information storage medium having a lead-in area, a user data area, and a lead-out area, the drive comprising:

a reader reproducing first data that is not modified depending on storage media to comply with the same physical format, from the entire lead-in area or a portion of the lead-in area using a PLL circuit, and reproducing second data from a remaining area of the optical information storage medium other than the entire lead-in area or the portion of the lead-in area using the PLL circuit.