GB1507241A - Rotary flexible record disc data storage apparatus - Google Patents

Rotary flexible record disc data storage apparatus

Info

Publication number
GB1507241A
GB1507241A GB40110/76A GB4011076A GB1507241A GB 1507241 A GB1507241 A GB 1507241A GB 40110/76 A GB40110/76 A GB 40110/76A GB 4011076 A GB4011076 A GB 4011076A GB 1507241 A GB1507241 A GB 1507241A
Authority
GB
United Kingdom
Prior art keywords
increased
pressure
gap
data storage
storage apparatus
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.)
Expired
Application number
GB40110/76A
Other languages
English (en)
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
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of GB1507241A publication Critical patent/GB1507241A/en
Expired legal-status Critical Current

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

Landscapes

  • Automatic Disk Changers (AREA)
  • Moving Of Heads (AREA)
  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
GB40110/76A 1975-11-04 1976-09-28 Rotary flexible record disc data storage apparatus Expired GB1507241A (en)

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
GB1507241A true GB1507241A (en) 1978-04-12

Family

ID=27090759

Family Applications (1)

Application Number Title Priority Date Filing Date
GB40110/76A Expired GB1507241A (en) 1975-11-04 1976-09-28 Rotary flexible record disc data storage apparatus

Country Status (9)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5650585Y2 (enrdf_load_html_response) * 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 (enrdf_load_html_response) * 1989-10-09 1991-05-30

Also Published As

Publication number Publication date
CH596636A5 (enrdf_load_html_response) 1978-03-15
SE7612156L (sv) 1977-05-05
DE2650613C3 (de) 1978-10-26
SE407300B (sv) 1979-03-19
JPS5257808A (en) 1977-05-12
DE2650613A1 (de) 1977-05-05
DE2650613B2 (de) 1978-02-23
IT1072418B (it) 1985-04-10
AR216292A1 (es) 1979-12-14
NL7612279A (nl) 1977-05-06
JPS5538743B2 (enrdf_load_html_response) 1980-10-06
FR2331119A1 (fr) 1977-06-03
FR2331119B1 (enrdf_load_html_response) 1978-12-22

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee