Write-once optical disc, and method and apparatus for allocating spare area on write-once optical disc
First Claim
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1. A method for allocating a spare area on a recording medium of write-once type, the method comprising:
- allocating a data area on the recording medium; and
allocating a user data area and at least one spare area within the data area on the recording medium, the at least one spare area having a variable size, wherein a maximum recording capacity of the at least one spare area on the recording medium is less than a maximum recording capacity of at least one variable spare area on a rewritable type optical disc.
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Abstract
A write-once type optical disc and a method and apparatus for allocating a spare area on the write-once type optical disc are provided. The method includes allocating a data area on a recording medium of write-once type, and allocating a user data area and at least one spare area within the data area on the recording medium, the at least one spare area having a variable size, wherein a maximum recording capacity of the at least one spare area on the recording medium is less than a maximum recording capacity of at least one variable spare area on a rewritable type optical disc.
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Citations
44 Claims
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1. A method for allocating a spare area on a recording medium of write-once type, the method comprising:
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allocating a data area on the recording medium; and
allocating a user data area and at least one spare area within the data area on the recording medium, the at least one spare area having a variable size, wherein a maximum recording capacity of the at least one spare area on the recording medium is less than a maximum recording capacity of at least one variable spare area on a rewritable type optical disc. - View Dependent Claims (2)
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3. A method for allocating a spare area on a recording medium of write-once type, the recording medium including at least one recording layer, the method comprising:
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allocating a data area on the at least one recording layer of the recording medium; and
allocating a user data area and at least one spare area within the data area on the recording medium, the at least one spare area having at least one replacement area, the at least one replacement area having a variable size and constituting a part of the at least one spare area or the entire at least one spare area, wherein a maximum ratio of a size of the at least one replacement area to a size of the user data area is less than about 5%. - View Dependent Claims (4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. An apparatus for allocating a spare area on a recording medium of write-once type, the apparatus comprising:
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means for allocating a data area on the recording medium; and
means for allocating a user data area and at least one spare area within the data area on the recording medium, the at least one spare area having a variable size, wherein a maximum recording capacity of the at least one spare area on the recording medium is less than a maximum recording capacity of at least one variable spare area on a rewritable type optical disc.
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23. An apparatus for allocating a spare area on a recording medium of write-once type, the recording medium including at least one recording layer, the apparatus comprising:
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means for allocating a data area on the at least one recording layer of the recording medium; and
means for allocating a user data area and at least one spare area within the data area on the recording medium, the at least one spare area having at least one replacement area, the at least one replacement area having a variable size and constituting a part of the at least one spare area or the entire at least one spare area, wherein a maximum ratio of a size of the at least one replacement area to a size of the user data area is less than about 5%.
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24. A recording medium of write-once type, the recording medium comprising:
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a data area allocated on the recording medium, the data area including a user data area and at least one spare area, the at least one spare area having a variable size, wherein a maximum recording capacity of the at least one spare area on the recording medium is less than a maximum recording capacity of at least one variable spare area on a rewritable type optical disc. - View Dependent Claims (25)
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26. A recording medium of write-once type, the recording medium comprising:
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at least one recording layer; and
a data area allocated on the at least one recording layer, the data area including a user data area and at least one spare area, the at least one spare area having at least one replacement area, the at least one replacement area having a variable size and constituting a part of the at least one spare area or the entire at least one spare area, wherein a maximum ratio of a size of the at least one replacement area to a size of the user data area is less than about 5%. - View Dependent Claims (27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44)
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Specification