JP2007073189A5 - - Google Patents
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- JP2007073189A5 JP2007073189A5 JP2006341473A JP2006341473A JP2007073189A5 JP 2007073189 A5 JP2007073189 A5 JP 2007073189A5 JP 2006341473 A JP2006341473 A JP 2006341473A JP 2006341473 A JP2006341473 A JP 2006341473A JP 2007073189 A5 JP2007073189 A5 JP 2007073189A5
- Authority
- JP
- Japan
- Prior art keywords
- information
- management area
- optical disc
- absence
- layers
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Claims (3)
上記情報層の少なくとも１層に、異なる複数の種類の情報層に関する情報が記録された管理領域を設け、
上記管理領域に記録された上記複数の種類の各情報層に関する情報は、当該管理領域を有する情報層以外の他の種類の情報層に関する情報であって、当該他の種類の情報層の有無に関する情報を含み、
上記管理領域にその有無が記録される上記他の種類の情報層は、上記管理領域を有する情報層とは異なるトラッキング方式によって走査されるものであることを特徴とする光ディスク。 In an optical disc comprising at least one information layer having a circumferential track scanned by a laser beam,
A management area in which information on a plurality of different types of information layers is recorded is provided in at least one of the information layers,
The information related to each of the plurality of types of information layers recorded in the management area is information related to information layers of other types other than the information layer having the management area, and relates to the presence or absence of the other types of information layers. Including information,
The other type of information layer whose presence or absence is recorded in the management area is scanned by a tracking method different from that of the information layer having the management area .
上記管理領域にアクセスする手段と、
上記管理領域の情報から、上記他の種類の情報層の有無に関する情報を抽出する手段とを備えることを特徴とする光ディスク装置。 An optical disc apparatus for reproducing the optical disc according to claim 1,
Means for accessing the management area;
An optical disc apparatus comprising: means for extracting information on the presence or absence of the other type of information layer from the information in the management area .
上記管理領域にアクセスする手段と、
上記管理領域の情報から、上記他の種類の情報層の有無に関する情報を抽出する手段とを備えることを特徴とする光ディスク装置。 An optical disc apparatus for recording or reproducing the optical disc according to claim 1,
Means for accessing the management area;
An optical disc apparatus comprising: means for extracting information on the presence or absence of the other type of information layer from the information in the management area .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006341473A JP4052346B2 (en) | 2005-02-16 | 2006-12-19 | Optical disc and optical disc apparatus |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005039026 | 2005-02-16 | ||
| JP2006341473A JP4052346B2 (en) | 2005-02-16 | 2006-12-19 | Optical disc and optical disc apparatus |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006036598A Division JP3918862B2 (en) | 2005-02-16 | 2006-02-14 | Optical disc and optical disc apparatus |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007176159A Division JP4069955B2 (en) | 2005-02-16 | 2007-07-04 | Optical disc, optical disc apparatus, and optical disc reproducing method |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2007073189A JP2007073189A (en) | 2007-03-22 |
| JP2007073189A5 true JP2007073189A5 (en) | 2007-08-16 |
| JP4052346B2 JP4052346B2 (en) | 2008-02-27 |
Family
ID=37934499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006341473A Active JP4052346B2 (en) | 2005-02-16 | 2006-12-19 | Optical disc and optical disc apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4052346B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011070709A (en) * | 2009-09-24 | 2011-04-07 | Hitachi-Lg Data Storage Inc | Optical disk, optical disk apparatus, reproducing method, and recording method |
| JP2011048884A (en) * | 2009-08-28 | 2011-03-10 | Hitachi-Lg Data Storage Inc | Optical disc, optical disc reproducing apparatus, reproducing method and optical disc apparatus |
-
2006
- 2006-12-19 JP JP2006341473A patent/JP4052346B2/en active Active
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