JPS6349283B2 - - Google Patents
Info
- Publication number
- JPS6349283B2 JPS6349283B2 JP55179976A JP17997680A JPS6349283B2 JP S6349283 B2 JPS6349283 B2 JP S6349283B2 JP 55179976 A JP55179976 A JP 55179976A JP 17997680 A JP17997680 A JP 17997680A JP S6349283 B2 JPS6349283 B2 JP S6349283B2
- Authority
- JP
- Japan
- Prior art keywords
- recording
- disk
- light
- track
- image
- 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
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
- G11B23/0057—Intermediate mediums, i.e. mediums provided with an information structure not specific to the method of reproducing or duplication such as matrixes for mechanical pressing of an information structure ; record carriers having a relief information structure provided with or included in layers not specific for a single reproducing method; apparatus or processes specially adapted for their manufacture
Landscapes
- Manufacturing Optical Record Carriers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17997680A JPS57103111A (en) | 1980-12-19 | 1980-12-19 | Centering device for recording track of recording disk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17997680A JPS57103111A (en) | 1980-12-19 | 1980-12-19 | Centering device for recording track of recording disk |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57103111A JPS57103111A (en) | 1982-06-26 |
| JPS6349283B2 true JPS6349283B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1988-10-04 |
Family
ID=16075270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17997680A Granted JPS57103111A (en) | 1980-12-19 | 1980-12-19 | Centering device for recording track of recording disk |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57103111A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02210680A (ja) * | 1988-10-31 | 1990-08-22 | Rozefu:Kk | グルーブの照明方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3012433C1 (de) * | 1980-03-31 | 1981-10-01 | Polygram Gmbh, 2000 Hamburg | Vorrichtung zum Zentrieren fuer die Herstellung eines Mittellochs in Platten |
-
1980
- 1980-12-19 JP JP17997680A patent/JPS57103111A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57103111A (en) | 1982-06-26 |