Optical recording medium having recording capacity information and method for indicating recording capacity
AssigneeLG Electronics Inc.
InventorsYong Cheol Park, Kyu Hwa Jeong
Life of this patent
Estimating the term…
Abstract
Optical recording medium having an indication of a recording capacity, and method for indicating a recording capacity of an optical recording medium facilitates recording or reproducing of an accurate amount of data by indicating the initial recording capacity determined by default and the varied recording capacity by additional allocation of the spare area and the like on particular area of the optical recording medium, and conducting the data writing or reading with reference to the initial recording capacity or the varied recording capacity depending on a state of variation of the recording capacity.
Claims19
An optical recording medium having a user area and a spare area, the optical recording medium comprising:
- a recording capacity indicated on the optical recording medium,
- wherein the recording capacity includes an initial recording capacity indicated on the optical recording medium, and a varied recording capacity indicated on the optical recording medium for indicating the varied recording capacity of the optical recording medium,
- wherein the initial and varied recording capacities pertain to the user area of the optical recording medium, and
- wherein the varied recording capacity and the initial recording capacity are indicated at positions different from each other.
A method for indicating a recording capacity of a rewritable optical recording medium having a user area and a spare area, the method comprising the steps of:
- indicating an initial recording capacity on the optical recording medium;
- and
- indicating a varied recording capacity on the optical recording medium if the recording capacity recording medium, and the varied recording capacity and the initial recording capacity area indicated at positions different from each other.
An optical recording medium comprising:
- a lead-in area which includes embossed data zone and rewritable data zone;
- a user data area;
- and
- a lead-out area,
- wherein the lead-in area further includes a recording capacity area indicated on the optical recording medium, the recording capacity area includes first recording capacity information indicated on the embossed data zone of the optical recording medium, and second recording capacity information indicated on the rewritable data zone of the optical recording medium for indicating a varied recording capacity of the optical recording medium when the recording capacity of the recording medium is varied, while the first recording capacity information is not varied.
A method for indicating a recording capacity of a rewritable optical recording medium, the rewritable optical recording medium including, a lead-in area which includes embossed data zone and rewritable data zone, a user data area, and a lead-out area, wherein the lead-in area further includes a recording capacity area indicated on the optical recording medium, the recording capacity area includes first recording capacity information indicated on the embossed data zone of the optical recording medium, and second recording capacity information indicated on the rewritable data zone of the optical recording medium for indicating a varied recording capacity of the optical recording medium,
- the method comprising the steps of:
- determining whether a spare area for a defect management is assigned or expanded;
- and
- indicating the second recording capacity information on the rewritable data zone of the optical recording medium if the recording capacity of recording medium is varied based upon a result of said determining step.
Dependencies are inferred from the claim text.