BE815617A - Dispositif de separation de disques pour memoire a disques souples rottatifs - Google Patents

Dispositif de separation de disques pour memoire a disques souples rottatifs

Info

Publication number
BE815617A
BE815617A BE144818A BE144818A BE815617A BE 815617 A BE815617 A BE 815617A BE 144818 A BE144818 A BE 144818A BE 144818 A BE144818 A BE 144818A BE 815617 A BE815617 A BE 815617A
Authority
BE
Belgium
Prior art keywords
disc
rottative
separation device
soft
memory
Prior art date
Application number
BE144818A
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.)
Filing date
Publication date
Priority claimed from US00375988A external-priority patent/US3852820A/en
Priority claimed from US00375989A external-priority patent/US3838462A/en
Priority claimed from US00375987A external-priority patent/US3838461A/en
Application filed filed Critical
Publication of BE815617A publication Critical patent/BE815617A/fr

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
    • G11B17/02—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
    • G11B5/48—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
    • 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
    • G11B5/4806—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 specially adapted for disk drive assemblies, e.g. assembly prior to operation, hard or flexible disk drives
    • 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
    • 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
    • G11B5/56—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 support for the purpose of adjusting the position of the head relative to the record carrier, e.g. manual adjustment for azimuth correction or track centering
    • 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
BE144818A 1973-07-02 1974-05-28 Dispositif de separation de disques pour memoire a disques souples rottatifs BE815617A (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US00375988A US3852820A (en) 1973-07-02 1973-07-02 Stabilization of partitionable memory with flexible rotating discs
US00375989A US3838462A (en) 1973-07-02 1973-07-02 Partitionable disc memory with flexible discs and conformally suspended head
US00375987A US3838461A (en) 1973-07-02 1973-07-02 Aerodynamic partitioning mechanism for random access memory with flexible rotating discs

Publications (1)

Publication Number Publication Date
BE815617A true BE815617A (fr) 1974-09-16

Family

ID=27409272

Family Applications (1)

Application Number Title Priority Date Filing Date
BE144818A BE815617A (fr) 1973-07-02 1974-05-28 Dispositif de separation de disques pour memoire a disques souples rottatifs

Country Status (2)

Country Link
BE (1) BE815617A (fr)
FR (1) FR2236245B1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3155977A (en) * 1959-08-31 1964-11-03 Ibm Resilient recording disk
NL269777A (fr) * 1960-10-03
FR1471964A (fr) * 1965-03-30 1967-03-03 Electrologica Nv Dispositif d'emmagasinage d'informations

Also Published As

Publication number Publication date
FR2236245A1 (fr) 1975-01-31
FR2236245B1 (fr) 1976-06-25

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: INTERNATIONAL BUSINESS MACHINES CORP.

Effective date: 19840528