JPS5736440A - Kogakushikibideodeisukunooototoratsukinguhoshiki - Google Patents
KogakushikibideodeisukunooototoratsukinguhoshikiInfo
- Publication number
- JPS5736440A JPS5736440A JP10892480A JP10892480A JPS5736440A JP S5736440 A JPS5736440 A JP S5736440A JP 10892480 A JP10892480 A JP 10892480A JP 10892480 A JP10892480 A JP 10892480A JP S5736440 A JPS5736440 A JP S5736440A
- Authority
- JP
- Japan
- Prior art keywords
- tracking
- wobbling
- laser beam
- automatic tracking
- pickup
- 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.)
- Pending
Links
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
- G11B7/0904—Dithered tracking systems
Landscapes
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10892480A JPS5736440A (ja) | 1980-08-08 | 1980-08-08 | Kogakushikibideodeisukunooototoratsukinguhoshiki |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10892480A JPS5736440A (ja) | 1980-08-08 | 1980-08-08 | Kogakushikibideodeisukunooototoratsukinguhoshiki |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5736440A true JPS5736440A (ja) | 1982-02-27 |
Family
ID=14497096
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10892480A Pending JPS5736440A (ja) | 1980-08-08 | 1980-08-08 | Kogakushikibideodeisukunooototoratsukinguhoshiki |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5736440A (ja) |
-
1980
- 1980-08-08 JP JP10892480A patent/JPS5736440A/ja active Pending
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS57181431A (en) | Automatic tracking system for optical type disc | |
JPS54143109A (en) | Optical information device | |
EP0317535A3 (en) | Detector for magnetooptic recorders | |
JPS5732410A (en) | Device for detecting focal error | |
JPS54128303A (en) | Optical reproducing device of information recording medium disc | |
MY114205A (en) | Information recording and reproducing apparatus | |
DK490184D0 (da) | Apparat til gengivelse af information fra en optisk aflaeselig registreringsbaerer | |
JPS5736440A (ja) | Kogakushikibideodeisukunooototoratsukinguhoshiki | |
JPS54133305A (en) | Information recorder | |
JPS5538663A (en) | Detector for recording medium of optical information reader | |
JPS5555445A (en) | Optical recording information reproducing device | |
JPS5755568A (en) | Recording and reproducing device | |
JPS5580062A (en) | Frequency analysis | |
JPS5644821A (en) | Measuring method of optical lens focal distance and measuring system therefor | |
JPS575187A (en) | Recorder | |
FR2338613A1 (fr) | Dispositif de traitement de signal et lecteur optique de videodisque comportant un tel dispositif | |
JPS57183639A (en) | Focus detector | |
JPS56148745A (en) | Optical recorder and reproducer | |
JPS57179953A (en) | Optical reproducing system | |
JPS6415614A (en) | Simultaneous measurement of velocity and density of fluid | |
JPS6478440A (en) | Static exposure device | |
JPS57127965A (en) | Detector for inter-recording of record player | |
JPS6466832A (en) | Tracking controller in optical disk device | |
JPS6215Y2 (ja) | ||
JPS56163442A (en) | Method for detecting gas concentration |