JPH0312376B2 - - Google Patents
Info
- Publication number
- JPH0312376B2 JPH0312376B2 JP7793184A JP7793184A JPH0312376B2 JP H0312376 B2 JPH0312376 B2 JP H0312376B2 JP 7793184 A JP7793184 A JP 7793184A JP 7793184 A JP7793184 A JP 7793184A JP H0312376 B2 JPH0312376 B2 JP H0312376B2
- Authority
- JP
- Japan
- Prior art keywords
- optical
- polarity
- recording
- optical disk
- signal
- 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 78
- 238000001514 detection method Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- 230000002087 whitening effect Effects 0.000 claims description 7
- 230000007423 decrease Effects 0.000 claims description 2
- 230000001747 exhibiting effect Effects 0.000 claims 2
- 230000001678 irradiating effect Effects 0.000 claims 1
- 239000000463 material Substances 0.000 description 23
- 238000010586 diagram Methods 0.000 description 7
- 239000004065 semiconductor Substances 0.000 description 4
- 230000003321 amplification Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/02—Control of operating function, e.g. switching from recording to reproducing
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
- G11B23/30—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture with provision for auxiliary signals
- G11B23/34—Signal means additional to the main recording track, e.g. photoelectric sensing of sprocket holes for timing
-
- 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
- G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
- G11B7/00745—Sectoring or header formats within a track
-
- 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
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
Landscapes
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59077931A JPS60223035A (ja) | 1984-04-18 | 1984-04-18 | 光学的記録再生装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59077931A JPS60223035A (ja) | 1984-04-18 | 1984-04-18 | 光学的記録再生装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60223035A JPS60223035A (ja) | 1985-11-07 |
| JPH0312376B2 true JPH0312376B2 (OSRAM) | 1991-02-20 |
Family
ID=13647825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59077931A Granted JPS60223035A (ja) | 1984-04-18 | 1984-04-18 | 光学的記録再生装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60223035A (OSRAM) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100425818B1 (ko) * | 2001-08-18 | 2004-04-03 | 최재우 | 씨디 복사 삭제 방지 장치 |
| JP2010262734A (ja) * | 2010-07-23 | 2010-11-18 | Toshiba Corp | 記憶媒体、再生方法及び記録方法 |
-
1984
- 1984-04-18 JP JP59077931A patent/JPS60223035A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60223035A (ja) | 1985-11-07 |
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