DE69119638D1 - Optische Platte - Google Patents
Optische PlatteInfo
- Publication number
- DE69119638D1 DE69119638D1 DE69119638T DE69119638T DE69119638D1 DE 69119638 D1 DE69119638 D1 DE 69119638D1 DE 69119638 T DE69119638 T DE 69119638T DE 69119638 T DE69119638 T DE 69119638T DE 69119638 D1 DE69119638 D1 DE 69119638D1
- Authority
- DE
- Germany
- Prior art keywords
- optical disc
- disc
- optical
- 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 - Fee Related
Links
- 230000003287 optical effect Effects 0.000 title 1
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
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
-
- 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
-
- 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
- G11B23/0028—Details
- G11B23/0035—Details means incorporated in the disc, e.g. hub, to enable its guiding, loading or driving
-
- 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
- G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Manufacturing Optical Record Carriers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7797290A JP2900489B2 (ja) | 1990-03-27 | 1990-03-27 | ディスク |
JP8430890A JP2903612B2 (ja) | 1990-03-30 | 1990-03-30 | ディスク |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69119638D1 true DE69119638D1 (de) | 1996-06-27 |
DE69119638T2 DE69119638T2 (de) | 1996-10-24 |
Family
ID=26419024
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69119638T Expired - Fee Related DE69119638T2 (de) | 1990-03-27 | 1991-03-21 | Optische Platte |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0449517B1 (de) |
KR (1) | KR100227248B1 (de) |
DE (1) | DE69119638T2 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5427520A (en) * | 1992-01-31 | 1995-06-27 | Sony Corporation | Mold device for fabricating disc substrate |
JP3160752B2 (ja) * | 1995-08-15 | 2001-04-25 | シャープ株式会社 | ディスク用ハブ、ディスクカートリッジおよびディスク駆動装置 |
US5896241A (en) * | 1996-08-07 | 1999-04-20 | Imation Corp. | Plain carbon steel hub for data storage device |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR940009470B1 (ko) * | 1985-02-16 | 1994-10-13 | 히다찌마구세루 가부시기가이샤 | 디스크 카트리지 및 디스크 구동장치 |
JPS61208684A (ja) * | 1985-03-13 | 1986-09-17 | Fujitsu Ltd | フレキシブル磁気ディスク |
-
1991
- 1991-03-21 DE DE69119638T patent/DE69119638T2/de not_active Expired - Fee Related
- 1991-03-21 EP EP91302490A patent/EP0449517B1/de not_active Expired - Lifetime
- 1991-03-27 KR KR1019910004745A patent/KR100227248B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR100227248B1 (ko) | 1999-11-01 |
KR910017380A (ko) | 1991-11-05 |
EP0449517B1 (de) | 1996-05-22 |
DE69119638T2 (de) | 1996-10-24 |
EP0449517A1 (de) | 1991-10-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69429371D1 (de) | Optische Platte | |
DE69526697D1 (de) | Optische Platte | |
DE69016054D1 (de) | Optische Platte. | |
DE69033786D1 (de) | Mehrlagige optische Platte | |
DE69622471D1 (de) | Optische Platte | |
DE69132425D1 (de) | Optische Platte | |
DE69713908D1 (de) | Optische Platte | |
DE69709690D1 (de) | Optische Platte | |
DE69322836D1 (de) | Optische Platte | |
DE69112936D1 (de) | Optische Platte. | |
DE69321286D1 (de) | Optische Scheibe | |
DE69416472D1 (de) | Beschreibbare optische Platte | |
DE69220540D1 (de) | Optische Verbindungstechniken | |
DE69319490D1 (de) | Wiedergabegerät für optische Platte | |
DE69122783D1 (de) | Fluoreszierende optische Platte | |
DE69421479D1 (de) | Wiedergabegerät für optische Platte | |
DE69020688D1 (de) | Optische Plattenaufzeichnungsvorrichtung. | |
DE69125918D1 (de) | Kassette für eine optische Platte | |
DE69126744D1 (de) | Optischer Plattenspieler | |
DE69313810D1 (de) | Optische platteneinheit | |
DE69119314D1 (de) | Optischer Plattenspieler | |
DE69112233D1 (de) | Optische Platte. | |
DE69133103D1 (de) | Optisches Plattensystem | |
DE69131341D1 (de) | Optisches Plattenaufzeichnungsgerät | |
DE69027096D1 (de) | Wiedergabegerät für optische Platte |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |