IT1072418B - Memoria a dischi perfezionata - Google Patents

Memoria a dischi perfezionata

Info

Publication number
IT1072418B
IT1072418B IT27572/76A IT2757276A IT1072418B IT 1072418 B IT1072418 B IT 1072418B IT 27572/76 A IT27572/76 A IT 27572/76A IT 2757276 A IT2757276 A IT 2757276A IT 1072418 B IT1072418 B IT 1072418B
Authority
IT
Italy
Prior art keywords
disk memory
improved disk
improved
memory
disk
Prior art date
Application number
IT27572/76A
Other languages
English (en)
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
Priority claimed from US05/628,622 external-priority patent/US4011591A/en
Priority claimed from US05/628,623 external-priority patent/US4011590A/en
Application filed by Ibm filed Critical Ibm
Application granted granted Critical
Publication of IT1072418B publication Critical patent/IT1072418B/it

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
IT27572/76A 1975-11-04 1976-09-24 Memoria a dischi perfezionata IT1072418B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/628,622 US4011591A (en) 1975-11-04 1975-11-04 Internal division actuation of ventilated floppy disk stack
US05/628,623 US4011590A (en) 1975-11-04 1975-11-04 Internal division actuation of ventilated floppy disk stack

Publications (1)

Publication Number Publication Date
IT1072418B true IT1072418B (it) 1985-04-10

Family

ID=27090759

Family Applications (1)

Application Number Title Priority Date Filing Date
IT27572/76A IT1072418B (it) 1975-11-04 1976-09-24 Memoria a dischi perfezionata

Country Status (9)

Country Link
JP (1) JPS5257808A (it)
AR (1) AR216292A1 (it)
CH (1) CH596636A5 (it)
DE (1) DE2650613C3 (it)
FR (1) FR2331119A1 (it)
GB (1) GB1507241A (it)
IT (1) IT1072418B (it)
NL (1) NL7612279A (it)
SE (1) SE407300B (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5650585Y2 (it) * 1977-07-20 1981-11-26
US4143408A (en) * 1977-11-28 1979-03-06 International Business Machines Corp. External selector and internal controller for flexible disc stack
GB2017378B (en) * 1978-03-27 1982-06-23 Burroughs Corp Partitioning of flexible disc pack by end-applied air jet
JPH0356546U (it) * 1989-10-09 1991-05-30

Also Published As

Publication number Publication date
DE2650613C3 (de) 1978-10-26
SE407300B (sv) 1979-03-19
JPS5538743B2 (it) 1980-10-06
DE2650613A1 (de) 1977-05-05
DE2650613B2 (de) 1978-02-23
GB1507241A (en) 1978-04-12
JPS5257808A (en) 1977-05-12
AR216292A1 (es) 1979-12-14
FR2331119B1 (it) 1978-12-22
CH596636A5 (it) 1978-03-15
SE7612156L (sv) 1977-05-05
FR2331119A1 (fr) 1977-06-03
NL7612279A (nl) 1977-05-06

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