Information recording medium, and information recording apparatus and method
OwnerEiji Muramatsu, Kazuo Kuroda +5inventors
InventorsEiji Muramatsu, Kazuo Kuroda, Toshio Suzuki, Masahiro Kato, Toshihiko Takishita, Seiro Oshima, Atsushi Kondo
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Abstract
There is provided an information recording medium having a plurality of recording layers (layer L0, layer L1) for recording information. At least one of the recording layers (layer L0, layer L1) has a management information area where recording speed management information defining the maximum possible recording speed when recording information is recorded.
Claims8
An information recording medium comprising a plurality of recording layers to record therein information, wherein
- at least one of the plurality of recording layers has a management information area to record therein (i) one kind of recording condition information for a first recording speed corresponding to the plurality of the recording layers respectively and (ii) another kind of recording condition information for a second recording speed corresponding to at least one of the plurality of recording layers respectively.
An information recording apparatus for recording information onto an information recording medium comprising a plurality of recording layers to record therein the information, wherein at least one of the plurality of recording layers has a management information area to record therein (i) one recording condition information corresponding to a first recording speed for each of the recording layers and (ii) another recording condition information corresponding to a second recording speed for at least one of the plurality of recording layers,
- said information recording apparatus comprising:
- a recording condition information obtaining device for obtaining the recording condition information from the management information area;
- a recording layer selecting device for selecting a recording layer into which the information is recorded;
- and
- a recording deice for recording the information into the recording layer selected by said recording layer selecting device, on the basis of the recording condition information obtained by said recording condition information obtaining device.
An information recording method of recording information onto an information recording medium comprising a plurality of recording layers to record therein the information, wherein at least one of the plurality of recording layers has a management information area to record therein (i) one recording condition information corresponding to a first recording speed for each of the recording layers and (ii) another recording condition information corresponding to a second recording speed for at least one of the plurality of recording layers,
- said information recording method comprising:
- a recording condition information obtaining process of obtaining the recording condition information from the management information area;
- a recording layer selecting process of selecting a recording layer into which the information is recorded;
- and
- a recording process of recording the information into the recording layer selected by said recording layer selecting device, on the basis of the recording condition information obtained by said recording condition information obtaining device.
Dependencies are inferred from the claim text.