JPS6127812B2 - - Google Patents
Info
- Publication number
- JPS6127812B2 JPS6127812B2 JP16859680A JP16859680A JPS6127812B2 JP S6127812 B2 JPS6127812 B2 JP S6127812B2 JP 16859680 A JP16859680 A JP 16859680A JP 16859680 A JP16859680 A JP 16859680A JP S6127812 B2 JPS6127812 B2 JP S6127812B2
- Authority
- JP
- Japan
- Prior art keywords
- information
- track
- signal
- eccentricity
- recording medium
- 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 60
- 230000001678 irradiating effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 239000011295 pitch Substances 0.000 description 6
- 230000004044 response Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 229920000535 Tan II Polymers 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000009467 reduction Effects 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
- G11B7/095—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble
- G11B7/0953—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble to compensate for eccentricity of the disc or disc tracks
Landscapes
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16859680A JPS5792442A (en) | 1980-11-29 | 1980-11-29 | Optical information recorder and reproducer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16859680A JPS5792442A (en) | 1980-11-29 | 1980-11-29 | Optical information recorder and reproducer |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5792442A JPS5792442A (en) | 1982-06-09 |
JPS6127812B2 true JPS6127812B2 (zh) | 1986-06-27 |
Family
ID=15870979
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16859680A Granted JPS5792442A (en) | 1980-11-29 | 1980-11-29 | Optical information recorder and reproducer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5792442A (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS589226A (ja) * | 1981-07-07 | 1983-01-19 | Toshiba Corp | 光ディスク装置 |
KR100510482B1 (ko) * | 1999-03-23 | 2005-08-26 | 삼성전자주식회사 | 광 디스크 재생 시스템의 편심 보상 장치 및 방법 |
-
1980
- 1980-11-29 JP JP16859680A patent/JPS5792442A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5792442A (en) | 1982-06-09 |
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