JPS5441364B2 - - Google Patents
Info
- Publication number
- JPS5441364B2 JPS5441364B2 JP6728975A JP6728975A JPS5441364B2 JP S5441364 B2 JPS5441364 B2 JP S5441364B2 JP 6728975 A JP6728975 A JP 6728975A JP 6728975 A JP6728975 A JP 6728975A JP S5441364 B2 JPS5441364 B2 JP S5441364B2
- Authority
- JP
- Japan
- 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
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
- G11B7/0938—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 servo format, e.g. guide tracks, pilot signals
Landscapes
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50067289A JPS51142221A (en) | 1975-06-03 | 1975-06-03 | Information reproducing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50067289A JPS51142221A (en) | 1975-06-03 | 1975-06-03 | Information reproducing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS51142221A JPS51142221A (en) | 1976-12-07 |
| JPS5441364B2 true JPS5441364B2 (fi) | 1979-12-07 |
Family
ID=13340660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50067289A Granted JPS51142221A (en) | 1975-06-03 | 1975-06-03 | Information reproducing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS51142221A (fi) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0240999Y2 (fi) * | 1983-07-12 | 1990-10-31 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4499502A (en) * | 1982-07-12 | 1985-02-12 | Discovision Associates | Compressed bandwidth frequency modulation signal format apparatus and method |
-
1975
- 1975-06-03 JP JP50067289A patent/JPS51142221A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0240999Y2 (fi) * | 1983-07-12 | 1990-10-31 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS51142221A (en) | 1976-12-07 |