FR2247786B1 - - Google Patents

Info

Publication number
FR2247786B1
FR2247786B1 FR7430004A FR7430004A FR2247786B1 FR 2247786 B1 FR2247786 B1 FR 2247786B1 FR 7430004 A FR7430004 A FR 7430004A FR 7430004 A FR7430004 A FR 7430004A FR 2247786 B1 FR2247786 B1 FR 2247786B1
Authority
FR
France
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
FR7430004A
Other languages
French (fr)
Other versions
FR2247786A1 (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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of FR2247786A1 publication Critical patent/FR2247786A1/fr
Application granted granted Critical
Publication of FR2247786B1 publication Critical patent/FR2247786B1/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
    • 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
FR7430004A 1973-10-12 1974-08-30 Expired FR2247786B1 (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2247786A1 FR2247786A1 (en) 1975-05-09
FR2247786B1 true FR2247786B1 (en) 1978-10-27

Family

ID=23606684

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7430004A Expired FR2247786B1 (en) 1973-10-12 1974-08-30

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
DE2441881B2 (en) 1976-04-29
FR2247786A1 (en) 1975-05-09
IT1020144B (en) 1977-12-20
JPS5321850B2 (en) 1978-07-05
GB1465288A (en) 1977-02-23
CA1056499A (en) 1979-06-12
SE401285B (en) 1978-04-24
BE820982A (en) 1975-02-03
JPS5067620A (en) 1975-06-06
SE7412659L (en) 1975-04-14
NL7412744A (en) 1975-04-15

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Legal Events

Date Code Title Description
ST Notification of lapse