JPH0419613B2 - - Google Patents
Info
- Publication number
- JPH0419613B2 JPH0419613B2 JP57141121A JP14112182A JPH0419613B2 JP H0419613 B2 JPH0419613 B2 JP H0419613B2 JP 57141121 A JP57141121 A JP 57141121A JP 14112182 A JP14112182 A JP 14112182A JP H0419613 B2 JPH0419613 B2 JP H0419613B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- tracking
- synchronization
- information
- sample
- 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
- 238000000034 method Methods 0.000 claims description 7
- 230000003287 optical effect Effects 0.000 description 14
- 238000010586 diagram Methods 0.000 description 12
- 239000004065 semiconductor Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 102000001999 Transcription Factor Pit-1 Human genes 0.000 description 3
- 108010040742 Transcription Factor Pit-1 Proteins 0.000 description 3
- 206010010071 Coma Diseases 0.000 description 2
- 230000004075 alteration Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 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
- 230000010287 polarization Effects 0.000 description 1
- 230000001360 synchronised effect 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
- G11B7/0901—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 track following only
Landscapes
- Optical Recording Or Reproduction (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14112182A JPS5933638A (ja) | 1982-08-16 | 1982-08-16 | 情報記録再生方法 |
US06/443,871 US4564929A (en) | 1981-11-25 | 1982-11-23 | Information recording and reproducing apparatus with tracking control by sampling |
NL8204555A NL8204555A (nl) | 1981-11-25 | 1982-11-23 | Inrichting voor het registreren en weergeven van informatie. |
FR8219714A FR2517103A1 (fr) | 1981-11-25 | 1982-11-24 | Appareil d'enregistrement et de reproduction d'informations |
DE19823243685 DE3243685A1 (de) | 1981-11-25 | 1982-11-25 | Informationsaufnahme- und wiedergabegeraet fuer eine optische platte |
FR8512960A FR2569038B1 (fr) | 1981-11-25 | 1985-08-30 | Appareil d'enregistrement et de reproduction d'informations |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14112182A JPS5933638A (ja) | 1982-08-16 | 1982-08-16 | 情報記録再生方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5933638A JPS5933638A (ja) | 1984-02-23 |
JPH0419613B2 true JPH0419613B2 (ko) | 1992-03-31 |
Family
ID=15284639
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14112182A Granted JPS5933638A (ja) | 1981-11-25 | 1982-08-16 | 情報記録再生方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5933638A (ko) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5382220A (en) * | 1976-12-28 | 1978-07-20 | Victor Co Of Japan Ltd | Information recording disc and its reproducing system |
JPS56124132A (en) * | 1980-02-29 | 1981-09-29 | Toshiba Corp | Tracking control circuit for optical disc |
JPS5774837A (en) * | 1980-10-25 | 1982-05-11 | Olympus Optical Co Ltd | Signal detection system of optical information reproducing device |
-
1982
- 1982-08-16 JP JP14112182A patent/JPS5933638A/ja active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5382220A (en) * | 1976-12-28 | 1978-07-20 | Victor Co Of Japan Ltd | Information recording disc and its reproducing system |
JPS56124132A (en) * | 1980-02-29 | 1981-09-29 | Toshiba Corp | Tracking control circuit for optical disc |
JPS5774837A (en) * | 1980-10-25 | 1982-05-11 | Olympus Optical Co Ltd | Signal detection system of optical information reproducing device |
Also Published As
Publication number | Publication date |
---|---|
JPS5933638A (ja) | 1984-02-23 |
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