DE2532654A1 - Magnetplattenspeicher mit biegsamen magnetplatten - Google Patents

Magnetplattenspeicher mit biegsamen magnetplatten

Info

Publication number
DE2532654A1
DE2532654A1 DE19752532654 DE2532654A DE2532654A1 DE 2532654 A1 DE2532654 A1 DE 2532654A1 DE 19752532654 DE19752532654 DE 19752532654 DE 2532654 A DE2532654 A DE 2532654A DE 2532654 A1 DE2532654 A1 DE 2532654A1
Authority
DE
Germany
Prior art keywords
plates
radius
access
plate
disks
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.)
Withdrawn
Application number
DE19752532654
Other languages
German (de)
English (en)
Inventor
Paul David Dodd
Donald Eric Griffiths
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 DE2532654A1 publication Critical patent/DE2532654A1/de
Withdrawn legal-status Critical Current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
    • G11B5/48—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
    • 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

Landscapes

  • Automatic Disk Changers (AREA)
  • Moving Of Heads (AREA)
  • Magnetic Record Carriers (AREA)
  • Moving Of Head For Track Selection And Changing (AREA)
DE19752532654 1974-08-29 1975-07-22 Magnetplattenspeicher mit biegsamen magnetplatten Withdrawn DE2532654A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/501,738 US3931645A (en) 1974-08-29 1974-08-29 Flexible disk storage apparatus having disks of various radii for enhancing axial disk location

Publications (1)

Publication Number Publication Date
DE2532654A1 true DE2532654A1 (de) 1976-03-11

Family

ID=23994826

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19752532654 Withdrawn DE2532654A1 (de) 1974-08-29 1975-07-22 Magnetplattenspeicher mit biegsamen magnetplatten

Country Status (5)

Country Link
US (1) US3931645A (OSRAM)
JP (1) JPS5139106A (OSRAM)
DE (1) DE2532654A1 (OSRAM)
FR (1) FR2283505A1 (OSRAM)
GB (1) GB1483565A (OSRAM)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2460849C2 (de) * 1974-12-21 1982-12-09 Ibm Deutschland Gmbh, 7000 Stuttgart Zugriffsarm mit einem Magnetkopf für einen aus einem Stapel von flexiblen Magnetplatten bestehenden Magnetplattenspeicher
US4071869A (en) * 1976-06-01 1978-01-31 International Business Machines Corporation Assembling flexible disk record structures
US4092681A (en) * 1976-12-20 1978-05-30 International Business Machines Corporation Flexible disk file access mechanism
US4148084A (en) * 1977-07-05 1979-04-03 Burroughs Corporation Flexible disk pack, related storage apparatus having disks with circumferential tab segments and associated partition means
US4348705A (en) * 1978-11-07 1982-09-07 Sperry Corporation Random access flexible disk memory
JPS5849941B2 (ja) * 1978-11-07 1983-11-08 スペリ− ランド コ−ポレ−シヨン フレキシブルディスク記憶装置
US4393425A (en) * 1981-03-30 1983-07-12 Disctron, Inc. Linear head actuator
US4945432A (en) * 1988-03-31 1990-07-31 Hoya Electronics Corporation Magnetic disk drive with brittle disks
JPH10177759A (ja) * 1996-12-16 1998-06-30 Sony Corp ディスク制御装置
US6900962B1 (en) * 1997-09-05 2005-05-31 Seagate Technology Llc High performance standard configuration disc drive having smaller-than-standard discs
US20070173183A1 (en) * 2006-01-25 2007-07-26 Keene Milford M Cutting tool with integrated abrasive trimming elements

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3703713A (en) * 1971-09-24 1972-11-21 Univ Iowa State Res Found Variable diameter disc pack with cooperating head
US3852820A (en) * 1973-07-02 1974-12-03 Ibm Stabilization of partitionable memory with flexible rotating discs

Also Published As

Publication number Publication date
US3931645A (en) 1976-01-06
FR2283505B1 (OSRAM) 1977-07-22
JPS5139106A (OSRAM) 1976-04-01
FR2283505A1 (fr) 1976-03-26
GB1483565A (en) 1977-08-24

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Legal Events

Date Code Title Description
8139 Disposal/non-payment of the annual fee