JPH0212770U - - Google Patents
Info
- Publication number
- JPH0212770U JPH0212770U JP1989003455U JP345589U JPH0212770U JP H0212770 U JPH0212770 U JP H0212770U JP 1989003455 U JP1989003455 U JP 1989003455U JP 345589 U JP345589 U JP 345589U JP H0212770 U JPH0212770 U JP H0212770U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- section
- disk
- signal recording
- recording section
- 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
- 239000000758 substrate Substances 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 2
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
- G11B23/0014—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 record carriers not specifically of filamentary or web form
- G11B23/0021—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 record carriers not specifically of filamentary or web form discs
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/02—Details
-
- 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
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR880011170 | 1988-07-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0212770U true JPH0212770U (US06168776-20010102-C00028.png) | 1990-01-26 |
Family
ID=31492730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989003455U Pending JPH0212770U (US06168776-20010102-C00028.png) | 1988-07-09 | 1989-01-13 |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPH0212770U (US06168776-20010102-C00028.png) |
| CN (1) | CN2054931U (US06168776-20010102-C00028.png) |
| DE (1) | DE8815125U1 (US06168776-20010102-C00028.png) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5060292U (US06168776-20010102-C00028.png) * | 1973-10-01 | 1975-06-03 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5453975A (en) * | 1991-12-16 | 1995-09-26 | Sharp Kabushiki Kaisha | Optical disc with surface coating and manufacturing method therefor |
| JP2768862B2 (ja) * | 1991-12-16 | 1998-06-25 | シャープ株式会社 | 光ディスクおよびその表面処理方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5020203U (US06168776-20010102-C00028.png) * | 1973-06-18 | 1975-03-07 | ||
| JPS6245772B2 (US06168776-20010102-C00028.png) * | 1980-07-10 | 1987-09-29 | Meidensha Electric Mfg Co Ltd |
-
1988
- 1988-12-05 DE DE8815125U patent/DE8815125U1/de not_active Expired
-
1989
- 1989-01-13 JP JP1989003455U patent/JPH0212770U/ja active Pending
- 1989-07-05 CN CN89213609U patent/CN2054931U/zh not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5020203U (US06168776-20010102-C00028.png) * | 1973-06-18 | 1975-03-07 | ||
| JPS6245772B2 (US06168776-20010102-C00028.png) * | 1980-07-10 | 1987-09-29 | Meidensha Electric Mfg Co Ltd |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5060292U (US06168776-20010102-C00028.png) * | 1973-10-01 | 1975-06-03 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN2054931U (zh) | 1990-03-21 |
| DE8815125U1 (de) | 1989-01-19 |
