ZA832711B - Recording disc - Google Patents
Recording discInfo
- Publication number
- ZA832711B ZA832711B ZA832711A ZA832711A ZA832711B ZA 832711 B ZA832711 B ZA 832711B ZA 832711 A ZA832711 A ZA 832711A ZA 832711 A ZA832711 A ZA 832711A ZA 832711 B ZA832711 B ZA 832711B
- Authority
- ZA
- South Africa
- Prior art keywords
- recording disc
- disc
- recording
- Prior art date
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
- G11B7/24—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
- 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
- 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
- G11B23/02—Containers; Storing means both adapted to cooperate with the recording or reproducing means
- G11B23/03—Containers for flat record carriers
- G11B23/033—Containers for flat record carriers for flexible discs
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
- G11B5/82—Disk carriers
- G11B5/825—Disk carriers flexible discs
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US36990582A | 1982-04-19 | 1982-04-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA832711B true ZA832711B (en) | 1983-11-30 |
Family
ID=23457426
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA832711A ZA832711B (en) | 1982-04-19 | 1983-04-18 | Recording disc |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0092325B1 (xx) |
JP (2) | JPS58189838A (xx) |
AU (1) | AU551645B2 (xx) |
CA (1) | CA1197922A (xx) |
DE (1) | DE3373850D1 (xx) |
ZA (1) | ZA832711B (xx) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU3321584A (en) * | 1983-10-27 | 1985-05-02 | Minnesota Mining And Manufacturing Company | Stretched surface disk |
US4631609A (en) * | 1984-02-16 | 1986-12-23 | Minnesota Mining And Manufacturing Company | Stretched surface recording disk substrate |
US4835647A (en) * | 1984-12-21 | 1989-05-30 | Minnesota Mining And Manufacturing Company | Stretched surface recording medium |
USRE33187E (en) * | 1985-03-14 | 1990-03-27 | Minnesota Mining And Manufacturing Company | Stable stretched surface recording medium |
US4623570A (en) * | 1985-03-14 | 1986-11-18 | Minnesota Mining And Manufacturing Company | Stable stretched surface recording medium |
US4729805A (en) * | 1985-03-14 | 1988-03-08 | Minnesota Mining And Manufacturing Company | Recording medium annealing process |
US4711115A (en) * | 1985-12-30 | 1987-12-08 | Aluminum Company Of America | Method for forming memory discs by forging |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS484011U (xx) * | 1971-05-22 | 1973-01-18 | ||
US3737880A (en) * | 1971-09-10 | 1973-06-05 | Arvin Ind Inc | Flexible disc with air intake in turntable |
JPS5018021A (xx) * | 1973-06-18 | 1975-02-26 | ||
JPS566665Y2 (xx) * | 1976-07-14 | 1981-02-13 | ||
EP0030623B1 (en) * | 1979-12-10 | 1984-02-22 | International Business Machines Corporation | Methods of fabricating magnetic records, magnetic records so fabricated, and magnetic recording and reproducing apparatus comprising such fabricated magnetic records |
-
1983
- 1983-03-21 CA CA000424092A patent/CA1197922A/en not_active Expired
- 1983-03-28 EP EP83301727A patent/EP0092325B1/en not_active Expired
- 1983-03-28 DE DE8383301727T patent/DE3373850D1/de not_active Expired
- 1983-04-18 AU AU13604/83A patent/AU551645B2/en not_active Ceased
- 1983-04-18 JP JP58068262A patent/JPS58189838A/ja active Pending
- 1983-04-18 ZA ZA832711A patent/ZA832711B/xx unknown
-
1992
- 1992-06-15 JP JP040836U patent/JPH0573755U/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0092325B1 (en) | 1987-09-23 |
JPH0573755U (ja) | 1993-10-08 |
DE3373850D1 (en) | 1987-10-29 |
AU1360483A (en) | 1983-10-27 |
CA1197922A (en) | 1985-12-10 |
EP0092325A1 (en) | 1983-10-26 |
AU551645B2 (en) | 1986-05-08 |
JPS58189838A (ja) | 1983-11-05 |
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