JPS51136402A - Tracking method for optical information recording equipment - Google Patents
Tracking method for optical information recording equipmentInfo
- Publication number
- JPS51136402A JPS51136402A JP50059571A JP5957175A JPS51136402A JP S51136402 A JPS51136402 A JP S51136402A JP 50059571 A JP50059571 A JP 50059571A JP 5957175 A JP5957175 A JP 5957175A JP S51136402 A JPS51136402 A JP S51136402A
- Authority
- JP
- Japan
- Prior art keywords
- information recording
- optical information
- tracking method
- recording equipment
- beam spot
- 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.)
- Granted
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
Landscapes
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50059571A JPS51136402A (en) | 1975-05-21 | 1975-05-21 | Tracking method for optical information recording equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50059571A JPS51136402A (en) | 1975-05-21 | 1975-05-21 | Tracking method for optical information recording equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS51136402A true JPS51136402A (en) | 1976-11-25 |
| JPS5415485B2 JPS5415485B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1979-06-15 |
Family
ID=13117046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50059571A Granted JPS51136402A (en) | 1975-05-21 | 1975-05-21 | Tracking method for optical information recording equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS51136402A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
-
1975
- 1975-05-21 JP JP50059571A patent/JPS51136402A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5415485B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1979-06-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS51144203A (en) | Political device for information reproduction | |
| JPS5342028A (en) | Laser beam recording method | |
| NZ181001A (en) | Optical record playbach:path attenuator reduces feedback effect on laser | |
| JPS51136402A (en) | Tracking method for optical information recording equipment | |
| JPS5218610A (en) | Structure of vibration-proof track | |
| JPS5320904A (en) | Optical information reader | |
| JPS536516A (en) | Optical recording and reproducing unit | |
| JPS5223310A (en) | Data signal optical regeneration system | |
| JPS5439103A (en) | Medium locator for fucus servo | |
| JPS53129604A (en) | Optical recorder-reproducer | |
| JPS5250649A (en) | Optical information record reproduction device | |
| JPS5348703A (en) | Optical signal regenerator | |
| JPS5276003A (en) | Optical information recording system | |
| JPS52143001A (en) | Optical regeneration method | |
| JPS5244124A (en) | Optical information read-out equipment | |
| JPS5270826A (en) | Information recording method | |
| JPS5443008A (en) | Write-read system | |
| JPS5280803A (en) | Automatic focusing device | |
| JPS5273702A (en) | Information reproduction apparatus | |
| JPS51136229A (en) | Information reproducing | |
| JPS5247631A (en) | Recording device of laser information | |
| JPS52147404A (en) | Signal regenerator | |
| JPS5345204A (en) | Tracking method for disk-type recording medium | |
| JPS5269307A (en) | Information reproduction device | |
| JPS5250702A (en) | Optical information recording and reproduction apparatus |