JPS6360447B2 - - Google Patents
Info
- Publication number
- JPS6360447B2 JPS6360447B2 JP60010861A JP1086185A JPS6360447B2 JP S6360447 B2 JPS6360447 B2 JP S6360447B2 JP 60010861 A JP60010861 A JP 60010861A JP 1086185 A JP1086185 A JP 1086185A JP S6360447 B2 JPS6360447 B2 JP S6360447B2
- Authority
- JP
- Japan
- Prior art keywords
- track
- record carrier
- signal
- depth
- light beam
- 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.)
- Expired
Links
- 230000003287 optical effect Effects 0.000 claims description 16
- 238000001514 detection method Methods 0.000 claims description 6
- 230000010365 information processing Effects 0.000 claims description 5
- 230000001678 irradiating effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
Landscapes
- Optical Recording Or Reproduction (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60010861A JPS60167129A (ja) | 1985-01-25 | 1985-01-25 | 記録担体及び情報処理装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60010861A JPS60167129A (ja) | 1985-01-25 | 1985-01-25 | 記録担体及び情報処理装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60167129A JPS60167129A (ja) | 1985-08-30 |
JPS6360447B2 true JPS6360447B2 (fr) | 1988-11-24 |
Family
ID=11762134
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP60010861A Granted JPS60167129A (ja) | 1985-01-25 | 1985-01-25 | 記録担体及び情報処理装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60167129A (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5377178A (en) * | 1991-10-11 | 1994-12-27 | Hitachi, Ltd. | Data recording/reproducing method and apparatus using a recording medium having clock marks recorded in a wobbled track for read/write synchronization |
US6760299B1 (en) | 1999-06-30 | 2004-07-06 | Sharp Kabushiki Kaisha | Optical disc having pits of different depth formed therein, optical disc device for reproducing the same, and method of reproduction |
JP2009266285A (ja) * | 2008-04-23 | 2009-11-12 | Sony Corp | 光情報記録装置、光情報記録方法、光情報再生装置、光情報再生方法及び光情報記録媒体 |
-
1985
- 1985-01-25 JP JP60010861A patent/JPS60167129A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS60167129A (ja) | 1985-08-30 |
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