Write-once type optical disc, and method and apparatus for managing defective areas on write-once type optical disc
First Claim
1. A method for managing a defective area on a recording medium, the recording medium including a data area and a lead in area, the data area including at least one spare area, the method comprising:
- (a) detecting an existence of a defective area within the data area of the recording medium;
(b) writing data written in the defective area onto a replacement area of the at least one spare area if the defective area is detected; and
(c) writing defect management information associated with the defective area onto one of a plurality of defect management areas on the recording medium,wherein the defect management areas on the recording medium are allocated on the lead in area and within the at least one spare area of the recording medium and the defect management information is written onto a different area from an area of previous recorded defect management information within the defect management areas.
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Accused Products
Abstract
A recording medium and a method and apparatus for managing a defective area on the recording medium are provided. The method according to one embodiment includes detecting an existence of a defective area within the data area of the recording medium; writing data written in the defective area onto a replacement area of the at least one spare area if the defective area is detected; and writing defect management information associated with the defective area onto one of a plurality of defect management areas on the recording medium, wherein the defect management areas on the recording medium are allocated on the lead in area and within the at least one spare area of the recording medium.
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Citations
17 Claims
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1. A method for managing a defective area on a recording medium, the recording medium including a data area and a lead in area, the data area including at least one 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; (b) writing data written in the defective area onto a replacement area of the at least one spare area if the defective area is detected; and (c) writing defect management information associated with the defective area onto one of a plurality of defect management areas on the recording medium, wherein the defect management areas on the recording medium are allocated on the lead in area and within the at least one spare area of the recording medium and the defect management information is written onto a different area from an area of previous recorded defect management information within the defect management areas. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A recording medium, comprising:
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a data area including a recording area and at least one spare area, each of the at least, one spare area including a replacement area and a defect management area; and a lead in area including another defect management area, wherein if a defective area within the recording area is detected, data written in the defective area are written onto the replacement area within the at least one spare area, and defect management information associated with the defective area is written onto a different area from an area of previous recorded defect management information within the one of the defect management areas within the at least one spare area and the lead in area. - View Dependent Claims (8, 9, 10, 11, 12)
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13. An apparatus for managing a defective area on a recording medium, the recording medium including a data area and a lead in area, the data area including at least one spare area, the apparatus comprising:
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a pickup configured to record the data on the recording medium and reproduce the data from the recording medium; and a controller configured to control the pickup to detect an existence of a defective area within the data area of the recording medium, and to write data written in the defective area onto a replacement area of the at least one spare area if the defective area is detected, and to write defect management information associated with the defective area onto one of a plurality of defect management areas on the recording medium, wherein the defect management areas on the recording medium are allocated on the lead in area and within the at least one spare area of the recording medium and the defect management information is written onto a different area from an area of previous recorded defect management information within the defect management areas.
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14. A method for managing a defective area on a recording medium, the recording medium including a data area and a lead in area, the data area including a recording area and at least one spare area, the method comprising steps of:
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(a) detecting an existence of a defective area within the recording area of the recording medium; (b) writing data written in the defective area onto one of the at least one spare area if the defective area is detected; (c) allocating a defect management area within the recording area; and (d) writing defect management information associated with the defective area onto the allocated defect management area, wherein the defect managament information is written onto a different area from an area of previous recorded defect management information within the allocated defect management area. - View Dependent Claims (15)
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16. An apparatus for managing a defective area on a recording medium, the recording medium including a data area and a lead in area, the data area including a recording area and at least one spare area, the apparatus comprising:
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a pickup configured to record the data on the recording medium and reproduce the data from the recording medium; and a controller configured to control the pickup to detect an existence of a defective area within the recording area of the recording medium, and to write data written in the defective area onto one of the at least one spare area if the defective area is detected, and to allocate a defect management area within the recording area, and to write defect management information associated with the defective area onto the allocated defect management area, wherein the defect management information is written onto a different area from an area of previous recorded defect management information within the allocated defect management area.
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17. A recording medium, comprising:
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a data area including a recording area and at least one spare area, wherein if a defective area within the recording area is detected, data written in the defective area are written onto the at least one spare area, and defect management information associated with the defective area is written onto a defect management area, the defect management area is allocated within the recording area and the defect management information is written onto a different area from an area of previous recorded defect management information within the allocated defect management area; and a lead in area for writing disc definition structure information containing positional information of the defect management area allocated within the recording area.
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Specification