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FR1481826A - Mémoire à disques - Google Patents

Mémoire à disques

Info

Publication number
FR1481826A
FR1481826A FR63958A FR63958A FR1481826A FR 1481826 A FR1481826 A FR 1481826A FR 63958 A FR63958 A FR 63958A FR 63958 A FR63958 A FR 63958A FR 1481826 A FR1481826 A FR 1481826A
Authority
FR
France
Prior art keywords
disk memory
disk
memory
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
Application number
FR63958A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
North American Aviation Corp
Original Assignee
North American Aviation Corp
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
Priority to US394976A priority Critical patent/US3359549A/en
Priority to GB22392/66A priority patent/GB1103398A/en
Priority to BE681838D priority patent/BE681838A/xx
Application filed by North American Aviation Corp filed Critical North American Aviation Corp
Priority to FR63958A priority patent/FR1481826A/fr
Application granted granted Critical
Publication of FR1481826A publication Critical patent/FR1481826A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/60—Fluid-dynamic spacing of heads from record-carriers
    • G11B5/6005—Specially adapted for spacing from a rotating disc using a fluid cushion
    • 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
    • G11B23/021—Containers; Storing means both adapted to cooperate with the recording or reproducing means comprising means for reducing influence of physical parameters, e.g. temperature change, moisture
    • 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
    • G11B25/00—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus
    • G11B25/04—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B25/00—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus
    • G11B25/04—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card
    • G11B25/043—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card using rotating 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
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/54—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head into or out of its operative position or across tracks
    • G11B5/55—Track change, selection or acquisition by displacement of the head
    • G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
    • 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
FR63958A 1964-09-08 1966-06-02 Mémoire à disques Expired FR1481826A (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US394976A US3359549A (en) 1964-09-08 1964-09-08 Random access magnetic disc file assembly
GB22392/66A GB1103398A (en) 1964-09-08 1966-05-19 Disc memory
BE681838D BE681838A (fr) 1964-09-08 1966-05-31
FR63958A FR1481826A (fr) 1964-09-08 1966-06-02 Mémoire à disques

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US394976A US3359549A (en) 1964-09-08 1964-09-08 Random access magnetic disc file assembly
CA960408 1966-05-14
GB22392/66A GB1103398A (en) 1964-09-08 1966-05-19 Disc memory
FR63958A FR1481826A (fr) 1964-09-08 1966-06-02 Mémoire à disques

Publications (1)

Publication Number Publication Date
FR1481826A true FR1481826A (fr) 1967-05-19

Family

ID=27426763

Family Applications (1)

Application Number Title Priority Date Filing Date
FR63958A Expired FR1481826A (fr) 1964-09-08 1966-06-02 Mémoire à disques

Country Status (4)

Country Link
US (1) US3359549A (fr)
BE (1) BE681838A (fr)
FR (1) FR1481826A (fr)
GB (1) GB1103398A (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3480964A (en) * 1967-02-09 1969-11-25 North American Rockwell Structure for assembling annular tensioned recording discs
US4285016A (en) * 1979-06-04 1981-08-18 Microcomputer Systems Corp. Disc, tape and hybrid disc-tape memory apparatus and drive assembly
US4317150A (en) * 1979-12-10 1982-02-23 International Business Machines Corporation Foil recording disk structures
US4328607A (en) * 1979-12-10 1982-05-11 International Business Machines Corporation Manufacturing process for foil magnetic recording disks
EP0030623B1 (fr) * 1979-12-10 1984-02-22 International Business Machines Corporation Procédé de fabrication de disques magnétiques, disques magnétiques fabriqués selon ce procédé et dispositif d'enregistrement et de lecture magnétique utilisant de tels disques magnétiques
US4365258A (en) * 1981-05-18 1982-12-21 Eastman Kodak Company Optical disc unit, fabrication method and cooperating write and/or read apparatus
US4449139A (en) * 1981-05-18 1984-05-15 Eastman Kodak Company Optical disc unit, fabrication method and cooperating write and/or read apparatus
US4835647A (en) * 1984-12-21 1989-05-30 Minnesota Mining And Manufacturing Company Stretched surface recording medium
US4623570A (en) * 1985-03-14 1986-11-18 Minnesota Mining And Manufacturing Company Stable stretched surface recording medium
USRE33187E (en) * 1985-03-14 1990-03-27 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
US4686592A (en) * 1985-05-02 1987-08-11 Carroll Thomas D Disk drive assembly
US11682426B2 (en) * 2021-08-13 2023-06-20 Western Digital Technologies, Inc. Archival data storage library
US11862203B2 (en) 2022-01-22 2024-01-02 Western Digital Technologies, Inc. Disk cartridge data storage library

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2800642A (en) * 1954-02-10 1957-07-23 Teleregister Corp Magnetic disk scanning device with channel selector for concentric circular track scanning
GB942127A (en) * 1958-02-07 1963-11-20 United Aircraft Corp Magnetic storage assembly
NL273365A (fr) * 1961-01-11
US3209079A (en) * 1962-04-03 1965-09-28 Robert N Skalwold Data compressing system
US3336583A (en) * 1963-05-17 1967-08-15 Potter Instrument Co Inc Deformable magnetizable disc mounted on cylinder
US3334193A (en) * 1963-10-24 1967-08-01 Lab For Electronics Inc High-frequency, high-density time compressor

Also Published As

Publication number Publication date
US3359549A (en) 1967-12-19
BE681838A (fr) 1966-10-31
GB1103398A (en) 1968-02-14

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