Information recording medium, recording apparatus and method for the same, reproducing apparatus and method for the same, computer program product for record or reproduction control, and data structure including control signal

• US 20050195710A1
• Filed: 03/01/2005
• Published: 09/08/2005
• Est. Priority Date: 03/01/2004
• Status: Abandoned Application

• Current Assignee: Pioneer Corporation
• Original Assignee: Pioneer Corporation
• Inventors: Muramatsu, Eiji, Koda, Takeshi, Kuroda, Kazuo, Yoshida, Masayoshi, Taniguchi, Shoji, Katata, Keiji, Suzuki, Toshio, Horikawa, Kunihiko
• Application Number:
  US11/068,394
• Publication Number:
  US 20050195710A1
• Time in Patent Office: Days
• 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 2020/10907 using pseudo-overwriting, i.e. virtually or logically overwriting data on WORM media by remapping recorded blocks to alternate 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

A write-once-type information recording medium is provided with: a user data area to record therein record data; a spare area to alter thereto one portion of addresses of said user data area, along with defect management in said user data area or logical overwriting to said user data area; and a defect management area to record therein defect management information which includes an alternative list and identification information, the alternative list indicating a correspondence relationship between an alternative source address in said user data area which is altered to said spare area and an alternative destination address in said spare area, the identification information being intended to identify whether each alternative is based on the defect management or the logical overwriting.

Claims

1. A write-once-type information recording medium comprising:

a user data area to record therein record data;

a spare area to alter thereto one portion of addresses of said user data area, along with defect management in said user data area or logical overwriting to said user data area; and

a defect management area to record therein defect management information which includes an alternative list and identification information, the alternative list indicating a correspondence relationship between an alternative source address in said user data area which is altered to said spare area and an alternative destination address in said spare area, the identification information being intended to identify whether each alternative is based on the defect management or the logical overwriting.

2. The write-once-type information recording medium according to claim 1, wherein the identification information further indicates the number of the logical overwriting of the record data with respect to the same alternative source address.

3. The write-once-type information recording medium according to claim 2, wherein the identification indicates the number of the logical overwriting of the record data with respect to the same alternative source address by using its own value, and indicates that the record data recorded at the alternative destination address is evacuation data based on the defect management, in the case of a predetermined value.

4. The write-once-type information recording medium according to claim 1, wherein said defect management area comprises a definite defect management area in addition to or in place of a temporary defect management area.

5. The write-once-type information recording medium according to claim 4, further comprising a control information recording area to record therein information for controlling at least one of recording and reading into said user data area, said control information recording area including a definite defect management area to record therein defect management information of said user data area.

6. The write-once-type information recording medium according to claim 1, wherein at least one of the alternative source address and the alternative destination address is specified by an absolute address in said user data area or a relative address based on a predetermined position.

7. A recording apparatus for recording record data onto a write-once-type information recording medium comprising:

(i) a user data area to record therein the record data;

(ii) a spare area to alter thereto one portion of addresses of said user data area, along with defect management in said user data area or logical overwriting to said user data area; and

(iii) a defect management area to record therein defect management information which includes an alternative list, the alternative list indicating a correspondence relationship between an alternative source address in said user data area which is altered to said spare area and an alternative destination address in said spare area,

said recording apparatus comprising;

a defect management information generating device for generating or updating the defect management information, with identification information included in the defect management information, the identification information being intended to identify whether each alternative is based on the defect management or the logical overwriting; and

a recording device for recording at least one of the record data and the generated or updated defect management information.

8. The recording apparatus according to claim 7, wherein said defect management information generating device generates or updates the defect management information such that the identification information further indicates the number of the logical overwriting of the record data with respect to the same alternative source address.

9. The recording apparatus according to claim 7, wherein said defect management information generating device generates or updates the defect management information such that the identification indicates the number of the logical overwriting of the record data with respect to the same alternative source address by using its own value, and indicates that the record data recorded at the alternative destination address is evacuation data based on the defect management, in the case of a predetermined value.

10. The recording apparatus according to claim 7, further comprising a first recording control device for controlling said recording device to record the defect management information into said defect management area if said defect management information generating device generates or updates the defect management information.

11. The recording apparatus according to claim 10, further comprising a defect-management-information obtaining device for reading the defect management information from said defect management area of said write-once-type information recording medium on which the defect management information is recorded in said defect management area and for storing the read defect management information into a memory device,

said defect management information generating device updating the defect management information stored in the memory device by said defect-management-information obtaining device if said recording device records the record data into said user data area,

said first recording control device controlling said recording device to record the defect management information into said defect management area if the defect management information is updated.

12. The recording apparatus according to claim 7, wherein

said write-once-type information recording medium further comprises a control information recording area to record therein information for controlling at least one of recording and reading into said user data area, said control information recording area including a definite defect management area to record therein defect management information of said user data area, and

said recording apparatus further comprises:

a finalize-command device for giving a command for indicating to finalize said write-once-type information recording medium; and

a second recording control device for controlling said recording device to record the generated or updated defect management information into said definite defect management area if said finalize-command device gives the command for indicating to finalize.

13. A recording method of recording record data onto a write-once-type information recording medium comprising:

(i) a user data area to record therein the record data;

(ii) a spare area to alter thereto one portion of addresses of said user data area, along with defect management in said user data area or logical overwriting to said user data area; and

(iii) a defect management area to record therein defect management information which includes an alternative list, the alternative list indicating a correspondence relationship between an alternative source address in said user data area which is altered to said spare area and an alternative destination address in said spare area,

said recording method comprising;

a defect management information generating process of generating or updating the defect management information, with identification information included in the defect management information, the identification information being intended to identify whether each alternative is based on the defect management or the logical overwriting; and

a recording process of recording at least one of the record data and the generated or updated defect management information.

14. A reproducing apparatus for reproducing record data recorded on a write-once-type information recording medium comprising:

(i) a user data area to record therein the record data;

(ii) a spare area to alter thereto one portion of addresses of said user data area, along with defect management in said user data area or logical overwriting to said user data area; and

(iii) a defect management area to record therein defect management information which includes an alternative list and identification information, the alternative list indicating a correspondence relationship between an alternative source address in said user data area which is altered to said spare area and an alternative destination address in said spare area, the identification information being intended to identify whether each alternative is based on the defect management or the logical overwriting,

said reproducing apparatus comprising;

a memory device;

a first reading device for reading the defect management information recorded in said defect management area and storing the read defect management information into said memory device; and

a reproducing device for reproducing the record data recorded in said user data area or the record data recorded in said spare area, on the basis of the defect management information stored in said memory device.

15. A reproducing method of reproducing record data recorded on a write-once-type information recording medium comprising:

(i) a user data area to record therein the record data;

(ii) a spare area to alter thereto one portion of addresses of said user data area, along with defect management in said user data area or logical overwriting to said user data area; and

(iii) a defect management area to record therein defect management information which includes an alternative list and identification information, the alternative list indicating a correspondence relationship between an alternative source address in said user data area which is altered to said spare area and an alternative destination address in said spare area, the identification information being intended to identify whether each alternative is based on the defect management or the logical overwriting,

said reproducing method comprising;

a first reading process of reading the defect management information recorded in said defect management area; and

a reproducing process of reproducing the record data recorded in said user data area or the record data recorded in said spare area, on the basis of the read defect management information.

16. A computer program product in a computer-readable medium for tangibly embodying a program of instructions executable by a computer in a recording apparatus to make the computer function as at least one portion of a defect management information generating device and a recording device,

said recording apparatus being for recording record data onto a write-once-type information recording medium comprising:

(i) a user data area to record therein the record data;

(ii) a spare area to alter thereto one portion of addresses of said user data area, along with defect management in said user data area or logical overwriting to said user data area; and

(iii) a defect management area to record therein defect management information which includes an alternative list, the alternative list indicating a correspondence relationship between an alternative source address in said user data area which is altered to said spare area and an alternative destination address in said spare area,

said recording apparatus comprising;

the defect management information generating device for generating or updating the defect management information, with identification information included in the defect management information, the identification information being intended to identify whether each alternative is based on the defect management or the logical overwriting; and

the recording device for recording at least one of the record data and the generated or updated defect management information.

17. A computer program product in a computer-readable medium for tangibly embodying a program of instructions executable by a computer in a reproducing apparatus to make the computer function as at least one portion of a first reading device and a reproducing device,

said reproducing apparatus being for reproducing record data recorded on a write-once-type information recording medium comprising:

(i) a user data area to record therein the record data;

(ii) a spare area to alter thereto one portion of addresses of said user data area, along with defect management in said user data area or logical overwriting to said user data area; and

(iii) a defect management area to record therein defect management information which includes an alternative list and identification information, the alternative list indicating a correspondence relationship between an alternative source address in said user data area which is altered to said spare area and an alternative destination address in said spare area, the identification information being intended to identify whether each alternative is based on the defect management or the logical overwriting,

said reproducing apparatus comprising;

a memory device;

the first reading device for reading the defect management information recorded in said defect management area and storing the read defect management information into said memory device; and

the reproducing device for reproducing the record data recorded in said user data area or the record data recorded in said spare area, on the basis of the defect management information stored in said memory device.

18. A data structure including a control signal, comprising:

a user data area to record therein record data;

a spare area to alter thereto one portion of addresses of said user data area, along with defect management in said user data area or logical overwriting to said user data area; and

a defect management area to record therein defect management information which includes an alternative list and identification information, the alternative list indicating a correspondence relationship between an alternative source address in said user data area which is altered to said spare area and an alternative destination address in said spare area, the identification information being intended to identify whether each alternative is based on the defect management or the logical overwriting.