GB2060979B - Magnetic disc data storage apparatus - Google Patents

Magnetic disc data storage apparatus

Info

Publication number
GB2060979B
GB2060979B GB8032553A GB8032553A GB2060979B GB 2060979 B GB2060979 B GB 2060979B GB 8032553 A GB8032553 A GB 8032553A GB 8032553 A GB8032553 A GB 8032553A GB 2060979 B GB2060979 B GB 2060979B
Authority
GB
United Kingdom
Prior art keywords
data storage
storage apparatus
magnetic disc
disc data
magnetic
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
GB8032553A
Other versions
GB2060979A (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.)
Digital Equipment Corp
Original Assignee
Digital Equipment 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
Application filed by Digital Equipment Corp filed Critical Digital Equipment Corp
Publication of GB2060979A publication Critical patent/GB2060979A/en
Application granted granted Critical
Publication of GB2060979B publication Critical patent/GB2060979B/en
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
    • G11B5/012—Recording on, or reproducing or erasing from, magnetic disks
    • G11B5/016—Recording on, or reproducing or erasing from, magnetic disks using magnetic foils
    • 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
    • G11B17/022—Positioning or locking of single discs
    • G11B17/028—Positioning or locking of single discs of discs rotating during transducing operation
    • G11B17/032—Positioning by moving the door or the cover
    • 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
    • G11B17/32—Maintaining desired spacing between record carrier and head, e.g. by fluid-dynamic spacing
    • 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
GB8032553A 1979-10-12 1980-10-09 Magnetic disc data storage apparatus Expired GB2060979B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US8450879A 1979-10-12 1979-10-12

Publications (2)

Publication Number Publication Date
GB2060979A GB2060979A (en) 1981-05-07
GB2060979B true GB2060979B (en) 1983-10-26

Family

ID=22185386

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8032553A Expired GB2060979B (en) 1979-10-12 1980-10-09 Magnetic disc data storage apparatus

Country Status (5)

Country Link
JP (1) JPS5665369A (en)
CA (1) CA1159144A (en)
DE (1) DE3038459A1 (en)
FR (1) FR2467462B1 (en)
GB (1) GB2060979B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58147861A (en) * 1982-02-26 1983-09-02 Oki Electric Ind Co Ltd Floppy disk driving device
DE3319595A1 (en) * 1982-06-03 1983-12-08 Seagate Technology, 95066 Scotts Valley, Calif. DEVICE FOR INSERTING AND REMOVING MAGNETIC DISK CARTRIDGES FOR A DISK DRIVE HOUSING
JPS5936371A (en) * 1982-08-23 1984-02-28 Mitsubishi Electric Corp Magnetic head shifting device of flexible disk storage device
JPS6067564U (en) * 1983-10-13 1985-05-14 アルプス電気株式会社 Disc recording/playback device
JPS6067562U (en) * 1983-10-13 1985-05-14 アルプス電気株式会社 Disc recording/playback device
JPS60186557U (en) * 1984-05-22 1985-12-10 アルプス電気株式会社 carriage feeder
JP2566924B2 (en) * 1986-07-14 1996-12-25 キヤノン株式会社 Magneto-optical recording device
JP3112450B2 (en) * 1998-03-03 2000-11-27 三星電子株式会社 Refrigerator ice dispenser

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4024581A (en) * 1973-12-05 1977-05-17 Ing. C. Olivetti & C., S.P.A. Apparatus for writing on, and/or reading, magnetic discs
US3882541A (en) * 1974-01-25 1975-05-06 Ibm Rotating memory accessing mechanism
US3879757A (en) * 1974-03-01 1975-04-22 Ibm Data storage mechanism having a flexible magnetic disk
US4012791A (en) * 1974-10-24 1977-03-15 Pertec Computer Corporation Disk drive apparatus
FR2309012A1 (en) * 1975-04-21 1976-11-19 Ibm FLEXIBLE MAGNETIC DISC MEMORY
DE2651733C3 (en) * 1976-11-12 1980-10-16 Siemens Ag, 1000 Berlin Und 8000 Muenchen Device for positioning a magnetic head

Also Published As

Publication number Publication date
DE3038459C2 (en) 1993-09-02
GB2060979A (en) 1981-05-07
DE3038459A1 (en) 1981-04-23
FR2467462B1 (en) 1988-05-20
JPS5665369A (en) 1981-06-03
FR2467462A1 (en) 1981-04-17
CA1159144A (en) 1983-12-20

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19941009