FR2002627A1 - - Google Patents

Info

Publication number
FR2002627A1
FR2002627A1 FR6904838A FR6904838A FR2002627A1 FR 2002627 A1 FR2002627 A1 FR 2002627A1 FR 6904838 A FR6904838 A FR 6904838A FR 6904838 A FR6904838 A FR 6904838A FR 2002627 A1 FR2002627 A1 FR 2002627A1
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.)
Withdrawn
Application number
FR6904838A
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.)
Scientific Data Systems Inc
Original Assignee
Scientific Data Systems Inc
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 Scientific Data Systems Inc filed Critical Scientific Data Systems Inc
Publication of FR2002627A1 publication Critical patent/FR2002627A1/fr
Withdrawn legal-status Critical Current

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
    • G11B17/32—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
    • G11B5/58—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
    • 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
FR6904838A 1968-02-26 1969-02-25 Withdrawn FR2002627A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US70816768A 1968-02-26 1968-02-26

Publications (1)

Publication Number Publication Date
FR2002627A1 true FR2002627A1 (fr) 1969-10-31

Family

ID=24844655

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6904838A Withdrawn FR2002627A1 (fr) 1968-02-26 1969-02-25

Country Status (5)

Country Link
US (1) US3548394A (fr)
DE (1) DE1909485B2 (fr)
FR (1) FR2002627A1 (fr)
GB (1) GB1258276A (fr)
IL (1) IL31681A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3745265A (en) * 1970-12-14 1973-07-10 Sperry Rand Corp Disc file hub mounting means
DE2759462C2 (de) * 1977-07-18 1983-07-14 Nixdorf Computer Ag, 4790 Paderborn Magnetplattenspeicher
US4190870A (en) * 1978-07-05 1980-02-26 International Business Machines Corporation Disk drive assembly
DE2944212C3 (de) * 1978-11-03 1994-10-20 Papst Motoren Gmbh & Co Kg Magnetplattenantrieb
US4280155A (en) * 1979-06-04 1981-07-21 Memorex Mini Disc Drive Corp. Method of improving air flow in compact disc drive
US4329604A (en) * 1979-08-06 1982-05-11 Micropolis Corporation Low loss brushless DC motor
NL7906478A (nl) * 1979-08-29 1981-03-03 Philips Nv Inrichting ten behoeve van het magnetisch inschrijven en uitlezen van signalen van grote bandbreedte.
US9875352B2 (en) 2015-10-02 2018-01-23 International Business Machines Corporation Oral authentication management

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3068480A (en) * 1958-10-06 1962-12-11 Ncr Co Disc memory assembly
US3161729A (en) * 1959-10-09 1964-12-15 Audichron Company Temperature announcing machine
BE625057A (fr) * 1961-12-07
US3196422A (en) * 1962-10-18 1965-07-20 Ex Ceil O Corp Magnetic data storage disc system
US3159823A (en) * 1964-02-28 1964-12-01 Lab For Electronics Inc Magnetic disc storage device

Also Published As

Publication number Publication date
US3548394A (en) 1970-12-15
IL31681A0 (en) 1969-04-30
DE1909485A1 (de) 1969-09-25
GB1258276A (fr) 1971-12-30
DE1909485B2 (de) 1976-09-23
IL31681A (en) 1971-12-29

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Legal Events

Date Code Title Description
CD Change of name or company name
TP Transmission of property
ST Notification of lapse