NL122740C - - Google Patents

Info

Publication number
NL122740C
NL122740C NL122740DA NL122740C NL 122740 C NL122740 C NL 122740C NL 122740D A NL122740D A NL 122740DA NL 122740 C NL122740 C NL 122740C
Authority
NL
Netherlands
Prior art keywords
magnetic disc
movable
disc
sept
discs
Prior art date
Application number
Other languages
English (en)
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.)
Publication of NL122740C publication Critical patent/NL122740C/xx

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
    • G11B5/54—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
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/02—Details
    • G11B17/021—Selecting or spacing of record carriers for introducing the heads

Landscapes

  • Supporting Of Heads In Record-Carrier Devices (AREA)
  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
NL122740D 1960-10-03 NL122740C (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US60107A US3090626A (en) 1960-10-03 1960-10-03 Bistable storage disc

Publications (1)

Publication Number Publication Date
NL122740C true NL122740C (ja)

Family

ID=22027410

Family Applications (2)

Application Number Title Priority Date Filing Date
NL269777D NL269777A (ja) 1960-10-03
NL122740D NL122740C (ja) 1960-10-03

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL269777D NL269777A (ja) 1960-10-03

Country Status (6)

Country Link
US (1) US3090626A (ja)
CH (1) CH399539A (ja)
DE (1) DE1206962B (ja)
FR (1) FR1302697A (ja)
GB (1) GB920729A (ja)
NL (2) NL122740C (ja)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE790744A (fr) * 1971-11-06 1973-02-15 Ibm Dispositif pour eviter les deformations des disques magnetiquesutilisesnotamment pour le traitement de donnees
US3768815A (en) * 1972-06-21 1973-10-30 Ibm Apparatus for clamping and centering a flexible magnetic disk
FR2236245B1 (ja) * 1973-07-02 1976-06-25 Ibm
US4051541A (en) * 1975-12-08 1977-09-27 International Business Machines Corporation Access to floppy disk stack
US4208683A (en) * 1978-12-13 1980-06-17 International Business Machines Corporation Frusto-conical magnetic recording disc
US4495613A (en) * 1984-05-23 1985-01-22 Bertrand Gagnon Record removal and centering device for 45 r.p.m. device
GB2445572B8 (en) * 2007-01-15 2012-03-28 Eugene H C Leung Intelligent bi-stable structure system.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2617655A (en) * 1948-06-03 1952-11-11 Cgs Lab Inc Record changer
US2802670A (en) * 1953-06-16 1957-08-13 Henry P Becton Record assembly

Also Published As

Publication number Publication date
FR1302697A (fr) 1962-08-31
US3090626A (en) 1963-05-21
CH399539A (it) 1965-09-30
DE1206962B (de) 1965-12-16
NL269777A (ja)
GB920729A (en) 1963-03-13

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