NL7408347A - Schijvengeheugen. - Google Patents

Schijvengeheugen.

Info

Publication number
NL7408347A
NL7408347A NL7408347A NL7408347A NL7408347A NL 7408347 A NL7408347 A NL 7408347A NL 7408347 A NL7408347 A NL 7408347A NL 7408347 A NL7408347 A NL 7408347A NL 7408347 A NL7408347 A NL 7408347A
Authority
NL
Netherlands
Prior art keywords
disk memory
disk
memory
Prior art date
Application number
NL7408347A
Other languages
English (en)
Dutch (nl)
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of NL7408347A publication Critical patent/NL7408347A/xx

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
    • 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
    • G11B5/54—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
    • G11B5/58—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
NL7408347A 1973-07-02 1974-06-21 Schijvengeheugen. NL7408347A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00375989A US3838462A (en) 1973-07-02 1973-07-02 Partitionable disc memory with flexible discs and conformally suspended head

Publications (1)

Publication Number Publication Date
NL7408347A true NL7408347A (nl) 1975-01-06

Family

ID=23483226

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7408347A NL7408347A (nl) 1973-07-02 1974-06-21 Schijvengeheugen.

Country Status (14)

Country Link
US (1) US3838462A (it)
JP (1) JPS5538742B2 (it)
AT (1) AT348278B (it)
BR (1) BR7405423D0 (it)
CA (1) CA1030260A (it)
ES (1) ES427425A1 (it)
GB (1) GB1440697A (it)
HU (1) HU169713B (it)
IT (1) IT1015215B (it)
NL (1) NL7408347A (it)
PL (1) PL94856B1 (it)
RO (1) RO75526A (it)
SE (1) SE393210B (it)
SU (1) SU531504A3 (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3940794A (en) * 1974-06-19 1976-02-24 International Business Machines Corporation Stacked flexible record disk storage apparatus having enhanced disk separation
US3936881A (en) * 1974-07-01 1976-02-03 International Business Machines Corporation Air damped head suspension
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
US3950783A (en) * 1975-01-06 1976-04-13 International Business Machines Corporation Disk file access mechanism
US3975769A (en) * 1975-02-07 1976-08-17 International Business Machines Corporation Storage device utilizing flexible magnetic disks
US3974524A (en) * 1975-04-14 1976-08-10 International Business Machines Corporation Magnetic storage apparatus employing flexible record disks with peripheral disk-identification means
US3964103A (en) * 1975-05-19 1976-06-15 Shugart Associates, Inc. Magnetic transducer with trim erase and housing therefor
US4019204A (en) * 1975-11-19 1977-04-19 International Business Machines Corporation Fluidic transducer access opening in a stack of flexible record disks
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
DE2840851A1 (de) * 1978-09-20 1980-04-03 Ibm Deutschland Vorrichtung zum spreizen eines rotierenden stapels flexibler magnetischer aufzeichnungstraeger
US6340024B1 (en) 1993-01-07 2002-01-22 Dme Corporation Protective hood and oral/nasal mask

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6812450A (it) * 1968-08-31 1970-03-03
US3537083A (en) * 1968-11-27 1970-10-27 Univ Illinois Flexible surface disc for magnetic recorders with central pneumatic orifice
US3731292A (en) * 1971-09-27 1973-05-01 Arvin Ind Inc Finger between flexible disc and backing plate

Also Published As

Publication number Publication date
US3838462A (en) 1974-09-24
ATA492374A (de) 1978-06-15
JPS5039431A (it) 1975-04-11
GB1440697A (en) 1976-06-23
JPS5538742B2 (it) 1980-10-06
DE2428864B2 (de) 1976-07-29
AT348278B (de) 1979-02-12
CA1030260A (en) 1978-04-25
SU531504A3 (ru) 1976-10-05
BR7405423D0 (pt) 1975-03-25
AU7066974A (en) 1976-01-08
DE2428864A1 (de) 1975-01-30
HU169713B (en) 1977-01-28
ES427425A1 (es) 1976-07-16
IT1015215B (it) 1977-05-10
RO75526A (ro) 1981-01-30
PL94856B1 (it) 1977-09-30
SE393210B (sv) 1977-05-02

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Legal Events

Date Code Title Description
BB A search report has been drawn up
BV The patent application has lapsed