JPH0583967B2 - - Google Patents
Info
- Publication number
- JPH0583967B2 JPH0583967B2 JP11500384A JP11500384A JPH0583967B2 JP H0583967 B2 JPH0583967 B2 JP H0583967B2 JP 11500384 A JP11500384 A JP 11500384A JP 11500384 A JP11500384 A JP 11500384A JP H0583967 B2 JPH0583967 B2 JP H0583967B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- recording
- information
- demark
- recorded
- 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 - Lifetime
Links
- 230000003287 optical effect Effects 0.000 claims description 20
- 239000004065 semiconductor Substances 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 5
- 230000003321 amplification Effects 0.000 claims 1
- 238000003199 nucleic acid amplification method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 230000001678 irradiating effect Effects 0.000 description 4
- 239000000428 dust Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000002834 transmittance Methods 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
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
- G11B7/005—Reproducing
-
- 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
- G11B7/0908—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 for focusing only
Landscapes
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11500384A JPS60258734A (ja) | 1984-06-05 | 1984-06-05 | 光学情報記録再生装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11500384A JPS60258734A (ja) | 1984-06-05 | 1984-06-05 | 光学情報記録再生装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60258734A JPS60258734A (ja) | 1985-12-20 |
| JPH0583967B2 true JPH0583967B2 (enrdf_load_stackoverflow) | 1993-11-30 |
Family
ID=14651884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11500384A Granted JPS60258734A (ja) | 1984-06-05 | 1984-06-05 | 光学情報記録再生装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60258734A (enrdf_load_stackoverflow) |
-
1984
- 1984-06-05 JP JP11500384A patent/JPS60258734A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60258734A (ja) | 1985-12-20 |
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