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AssigneeSony Corporation
InventorYoshiyuki Tokumoto
Estimating the term…
In a rewritable recording medium, in which the opposite track path is adopted, having a plurality of recording layers, the confirmation of the formation of a middle area is made to be faster and easier. Within a predetermined management information area (e.g., lead-in) of a disc, intermediate-area management information (middle status) indicating whether or not a guard intermediate area (middle area) whose one end is the inter-layer transition position (inter-layer loopback address) which is determined according to the recording of user data is recorded. As a result, it is possible for a recording and reproduction apparatus to determine whether or not the middle area needs to be formed on the basis of the value of the intermediate-area management information.
A recording medium having a plurality of recording layers, on which data can be rewritten, and on and from which user data can be recorded and reproduced by an opposite track path method in which the address advancing direction is the opposite direction between odd-numbered recording layers and even-numbered recording layers, said recording medium comprising:
A recording and reproduction apparatus incorporating a recording medium having a plurality of recording layers, on which data can be rewritten, on and from which user data can be recorded and reproduced by an opposite track path method in which the address advancing direction is the opposite direction between odd-numbered recording layers and even-numbered recording layers, and which has a structure including a guard intermediate area to be formed by assuming, as one end, the inter-layer transition position at which the recording proceeds from a certain recording medium to the next recording medium when user data is to be recorded;
A recording and reproduction method incorporating a recording medium having a plurality of recording layers, on which data can be rewritten, on and from which user data can be recorded and reproduced by an opposite track path method in which the address advancing direction is the opposite direction between odd-numbered recording layers and even-numbered recording layers, and which has a structure including a guard intermediate area to be formed by assuming, as one end, the inter-layer transition position at which the recording proceeds from a certain recording medium to the next recording medium when user data is to be recorded;
Dependencies are inferred from the claim text.