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US 2018/0294008 A1Published application
Information recording medium and method for reproducing the same
AssigneeSharp Kabushiki Kaisha
InventorYoshihisa ADACHI
Life of this patent
Estimating the term…
Abstract
An information recording medium (10) including a first region (11) in which medium identification information has been recorded, a data region (13), and a second region (12) which is positioned between the first region (11) and the data region (13) and in which control information has been recorded, in which an area of the first region (11) is greater than an area of the second region (12) in size.
Claims2
An information recording medium comprising:
- a first region that includes medium identification information indicating a structure of the information recording medium;
- a data region in which user data can be recorded or has been recorded;
- a second region which is positioned between the first region and the data region, and includes control information indicating whether or not an apparatus can access a region on the information recording medium;
- and
- a third region which is positioned between the first region and the second region and which is for changing a pit length from a low recording line density to a high recording line density,
- wherein an area of the first region is greater than an area of the second region in size, and
- wherein an area of the third region is smaller than an area of the first region.
4 more elements
Dependencies are inferred from the claim text.