BE820982A - SOFT MAGNETIC DISC MEMORY - Google Patents

SOFT MAGNETIC DISC MEMORY

Info

Publication number
BE820982A
BE820982A BE149454A BE149454A BE820982A BE 820982 A BE820982 A BE 820982A BE 149454 A BE149454 A BE 149454A BE 149454 A BE149454 A BE 149454A BE 820982 A BE820982 A BE 820982A
Authority
BE
Belgium
Prior art keywords
soft magnetic
magnetic disc
disc memory
memory
soft
Prior art date
Application number
BE149454A
Other languages
French (fr)
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 filed Critical
Publication of BE820982A publication Critical patent/BE820982A/en

Links

Classifications

    • 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
    • G11B17/34—Guiding record carriers during transducing operation, e.g. for track following
    • 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
BE149454A 1973-10-12 1974-10-11 SOFT MAGNETIC DISC MEMORY BE820982A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US40613773A 1973-10-12 1973-10-12

Publications (1)

Publication Number Publication Date
BE820982A true BE820982A (en) 1975-02-03

Family

ID=23606684

Family Applications (1)

Application Number Title Priority Date Filing Date
BE149454A BE820982A (en) 1973-10-12 1974-10-11 SOFT MAGNETIC DISC MEMORY

Country Status (9)

Country Link
JP (1) JPS5321850B2 (en)
BE (1) BE820982A (en)
CA (1) CA1056499A (en)
DE (1) DE2441881B2 (en)
FR (1) FR2247786B1 (en)
GB (1) GB1465288A (en)
IT (1) IT1020144B (en)
NL (1) NL7412744A (en)
SE (1) SE401285B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4151573A (en) * 1977-06-13 1979-04-24 Tandon Magnetics Corp. Magnetic recording device for double sided media
DE2812574C3 (en) * 1978-03-22 1981-01-29 Siemens Ag, 1000 Berlin Und 8000 Muenchen Floppy disk drive
JPS6245329Y2 (en) * 1980-10-07 1987-12-03
AT391377B (en) * 1980-12-31 1990-09-25 Sony Corp DRIVE UNIT FOR A FLEXIBLE PLATE
JPS57162147A (en) * 1981-03-27 1982-10-05 Nec Corp Magnetic recorder

Also Published As

Publication number Publication date
DE2441881A1 (en) 1975-04-24
JPS5067620A (en) 1975-06-06
FR2247786A1 (en) 1975-05-09
CA1056499A (en) 1979-06-12
SE7412659L (en) 1975-04-14
JPS5321850B2 (en) 1978-07-05
DE2441881B2 (en) 1976-04-29
SE401285B (en) 1978-04-24
IT1020144B (en) 1977-12-20
NL7412744A (en) 1975-04-15
GB1465288A (en) 1977-02-23
FR2247786B1 (en) 1978-10-27

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: INTERNATIONAL BUSINESS MACHINES CORP.

Effective date: 19861031