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 dimensioni

Info

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
Application number
IT50875/72A
Other languages
English (en)
Italian (it)
Original Assignee
Singer Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Singer Co filed Critical Singer Co
Application granted granted Critical
Publication of IT958358B publication Critical patent/IT958358B/it

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
    • G11B23/0014—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
IT50875/72A 1971-06-14 1972-06-13 Perfezionamento nei dispositivi di memoria utilizzati in calco latrici di piccole dimensioni IT958358B (it)

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 (enExample)
DE (1) DE2228520A1 (enExample)
FR (1) FR2142415A5 (enExample)
GB (1) GB1347606A (enExample)
IT (1) IT958358B (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5736473A (en) * 1980-08-14 1982-02-27 Sony Corp Rotating driving device
AU3856589A (en) * 1988-08-29 1990-03-23 Petra Dunker Storage case for circular data carriers
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
US12211527B2 (en) * 2022-11-16 2025-01-28 Western Digital Technologies, Inc. Hard disk drive multiple disk pack stacking structure

Family Cites Families (3)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
US3724652A (en) 1973-04-03
DE2228520A1 (de) 1972-12-28
GB1347606A (en) 1974-02-27
FR2142415A5 (enExample) 1973-01-26

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