Write-once type optical disc, and method and apparatus for managing defective areas on write-once type optical disc using TDMA information
First Claim
1. A method for managing a defective area on a recording medium of writable once type, the recording medium including a data area, the data area having a spare area, the method comprising:
- (a) detecting an existence of a defective area within the data area of the recording medium once data are written onto the data area in a data writing operation;
(b) writing data written in the defective area onto the spare area if the defective area is detected;
(c) writing temporary management information pertaining to the defective area, onto a temporary management area on the recording medium; and
(d) writing access information for accessing the temporary management information, onto a reserved area on the recording medium.
1 Assignment
0 Petitions
Accused Products
Abstract
A recording medium of writable once type, and a method and apparatus for managing a defective area on the recording medium are provided. The method includes detecting an existence of a defective area within a data area of the recording medium once data are written onto the data area in a data writing operation; writing data written in the defective area onto a spare area of the data area if the defective area is detected; writing temporary management information pertaining to the defective area, onto a temporary management area on the recording medium; and writing access information for accessing the temporary management information, onto a reserved area on the recording medium.
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Citations
50 Claims
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1. A method for managing a defective area on a recording medium of writable once type, the recording medium including a data area, the data area having a spare area, the method comprising:
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(a) detecting an existence of a defective area within the data area of the recording medium once data are written onto the data area in a data writing operation;
(b) writing data written in the defective area onto the spare area if the defective area is detected;
(c) writing temporary management information pertaining to the defective area, onto a temporary management area on the recording medium; and
(d) writing access information for accessing the temporary management information, onto a reserved area on the recording medium. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. A method for managing a defective area on a recording medium of writable once type, the recording medium including a data area, the data area having a spare area, the method comprising:
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writing data written in the defective area onto the spare area if the defective area is detected;
writing temporary management information pertaining to the defective area, onto a temporary management area on the recording medium;
writing access information for accessing the temporary management information, onto a reserved area on the recording medium; and
transferring, at finalization of a data writing operation on the recording medium, the temporary management information and the access information as defect management area (DMA) information into another area on the recording medium. - View Dependent Claims (23, 24)
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25. An apparatus for managing a defective area on a recording medium of writable once type, the recording medium including a data area, the data area having a spare area, the apparatus comprising:
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(a) means for detecting an existence of a defective area within the data area of the recording medium once data are written onto the data area in a data writing operation;
(b) means for writing data written in the defective area onto the spare area if the defective area is detected;
(c) means for writing temporary management information pertaining to the defective area, onto a temporary management area on the recording medium; and
(d) means for writing access information for accessing the temporary management information, onto a reserved area on the recording medium.
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26. An apparatus for managing a defective area on a recording medium of writable once type, the recording medium including a data area, the data area having a spare area, the apparatus comprising:
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(a) means for writing data written in the defective area onto the spare area if the defective area is detected;
(b) means for writing temporary management information pertaining to the defective area, onto a temporary management area on the recording medium;
(c) means for writing access information for accessing the temporary management information, onto a reserved area on the recording medium; and
(d) means for transferring, at finalization of a data writing operation on the recording medium, the temporary management information and the access information as defect management area (DMA) information into another area on the recording medium.
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27. A recording medium of writable once type, comprising:
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at least one recording layer including a data area, the data area having a spare area, wherein an existence of a defective area within the data area of the recording medium is detected once data are written onto the data area in a data writing operation, data written in the defective area is written onto the spare area if the defective area is detected, temporary management information pertaining to the defective area is written onto a temporary management area on the recording medium, and access information for accessing the temporary management information is written onto a reserved area on the recording medium. - View Dependent Claims (28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47)
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48. A recording medium of writable once type, comprising:
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at least one recording layer including a data area and an area outside of the data area, the data area having a spare area, wherein data written in a defective area of the data area is written onto the spare area if the defective area is detected, temporary management information pertaining to the defective area is written onto a temporary management area on the recording medium, access information for accessing the temporary management information is written onto a reserved area on the recording medium, and at finalization of a data writing operation on the recording medium, the temporary management information and the access information are transferred into the area outside of the data area as defect management area (DMA) information. - View Dependent Claims (49, 50)
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Specification