IT958358B - Perfezionamento nei dispositivi di memoria utilizzati in calco latrici di piccole dimensioni - Google Patents
Perfezionamento nei dispositivi di memoria utilizzati in calco latrici di piccole dimensioniInfo
- Publication number
- IT958358B IT958358B IT50875/72A IT5087572A IT958358B IT 958358 B IT958358 B IT 958358B IT 50875/72 A IT50875/72 A IT 50875/72A IT 5087572 A IT5087572 A IT 5087572A IT 958358 B IT958358 B IT 958358B
- Authority
- IT
- Italy
- Prior art keywords
- latric
- casting
- improvement
- small
- memory devices
- Prior art date
Links
- 238000005266 casting Methods 0.000 title 1
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
- 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
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/02—Details
- G11B17/021—Selecting or spacing of record carriers for introducing the heads
-
- 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
- G11B17/038—Centering or locking of a plurality of discs in a single cartridge
-
- 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
- G11B23/032—Containers for flat record carriers for rigid discs
- G11B23/0323—Containers for flat record carriers for rigid discs for disc-packs
-
- 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 |
---|---|---|---|
US15279671A | 1971-06-14 | 1971-06-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT958358B true IT958358B (it) | 1973-10-20 |
Family
ID=22544488
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT50875/72A IT958358B (it) | 1971-06-14 | 1972-06-13 | Perfezionamento nei dispositivi di memoria utilizzati in calco latrici di piccole dimensioni |
Country Status (5)
Country | Link |
---|---|
US (1) | US3724652A (it) |
DE (1) | DE2228520A1 (it) |
FR (1) | FR2142415A5 (it) |
GB (1) | GB1347606A (it) |
IT (1) | IT958358B (it) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5736473A (en) * | 1980-08-14 | 1982-02-27 | Sony Corp | Rotating driving device |
DE58909832D1 (de) * | 1988-08-29 | 1998-03-26 | Thulin Cartonneries | Plattenaufnahmeteil für Aufbewahrungskassetten für kreisförmige Informationsplatten |
US5558220A (en) * | 1995-06-21 | 1996-09-24 | Owen J. Meegan | Case and tray for holding high density discs |
JP2006059422A (ja) * | 2004-08-18 | 2006-03-02 | Fuji Photo Film Co Ltd | 記録ディスクカートリッジ |
US20240161773A1 (en) * | 2022-11-16 | 2024-05-16 | Western Digital Technologies, Inc. | Hard disk drive multiple disk pack stacking structure |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3509992A (en) * | 1966-06-06 | 1970-05-05 | Disc Pack Corp | Disc pack enclosure |
US3566381A (en) * | 1967-09-15 | 1971-02-23 | Ibm | Data storage means having both fixed and removable record disk means |
US3570661A (en) * | 1969-01-17 | 1971-03-16 | Memorex Corp | Attachment knob assembly for a disc pack bottom cover |
-
1971
- 1971-06-14 US US00152796A patent/US3724652A/en not_active Expired - Lifetime
-
1972
- 1972-06-12 DE DE19722228520 patent/DE2228520A1/de active Pending
- 1972-06-12 GB GB2742372A patent/GB1347606A/en not_active Expired
- 1972-06-13 FR FR7221252A patent/FR2142415A5/fr not_active Expired
- 1972-06-13 IT IT50875/72A patent/IT958358B/it active
Also Published As
Publication number | Publication date |
---|---|
GB1347606A (en) | 1974-02-27 |
FR2142415A5 (it) | 1973-01-26 |
US3724652A (en) | 1973-04-03 |
DE2228520A1 (de) | 1972-12-28 |
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