ES452935A1 - Perfeccionamientos introducidos en un aparato de acciona- miento para establecer acceso a superficies normalmente inaccesibles de discos de almacenamiento de informacion flexibles. - Google Patents

Perfeccionamientos introducidos en un aparato de acciona- miento para establecer acceso a superficies normalmente inaccesibles de discos de almacenamiento de informacion flexibles.

Info

Publication number
ES452935A1
ES452935A1 ES452935A ES452935A ES452935A1 ES 452935 A1 ES452935 A1 ES 452935A1 ES 452935 A ES452935 A ES 452935A ES 452935 A ES452935 A ES 452935A ES 452935 A1 ES452935 A1 ES 452935A1
Authority
ES
Spain
Prior art keywords
disks
stack
actuator
spacers
ventilated
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
ES452935A
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
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Publication of ES452935A1 publication Critical patent/ES452935A1/es
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
    • G11B17/32—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
    • 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

Landscapes

  • Moving Of Heads (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Multiple-Way Valves (AREA)

Abstract

Perfeccionamientos introducidos en un aparato de accionamiento para establecer acceso a superficies normalmente inaccesibles de discos de almacenamiento de información flexibles, separando para ello de forma sostenible dichas superficies de almacenamiento de dichos discos, los cuales están dispuestos en una pila giratoria y están confinados entre placas rígidas, estando dichas superficies sucesivas separadas nominalmente por separadores porosos dispuestos radialmente interpuestos entre dichos discos, rodeando dicha pila un espacio parcialmente vacío que se extiende a través de la pila entre dichas placas, comprendiendo dicho aparato: medios transmisores de presión que se extienden deslizantemente a través de al menos una de dichas placas y que llenan parcialmente dicho espacio parcialmente vacío.
ES452935A 1975-11-04 1976-11-03 Perfeccionamientos introducidos en un aparato de acciona- miento para establecer acceso a superficies normalmente inaccesibles de discos de almacenamiento de informacion flexibles. Expired ES452935A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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
ES452935A1 true ES452935A1 (es) 1978-02-01

Family

ID=24519658

Family Applications (1)

Application Number Title Priority Date Filing Date
ES452935A Expired ES452935A1 (es) 1975-11-04 1976-11-03 Perfeccionamientos introducidos en un aparato de acciona- miento para establecer acceso a superficies normalmente inaccesibles de discos de almacenamiento de informacion flexibles.

Country Status (5)

Country Link
US (1) US4011590A (es)
AU (1) AU504587B2 (es)
BR (1) BR7607384A (es)
CA (1) CA1066409A (es)
ES (1) ES452935A1 (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4191981A (en) * 1975-12-19 1980-03-04 International Business Machines Corporation Record storage apparatus employing enhanced transducer positioning servomechanisms
US4164767A (en) * 1977-03-04 1979-08-14 Burroughs Corporation Mass storage device
US4143408A (en) * 1977-11-28 1979-03-06 International Business Machines Corp. External selector and internal controller for flexible disc stack
US4229774A (en) * 1979-01-02 1980-10-21 International Business Machines Corporation Self-adapting flow restrictors

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6603388A (es) * 1965-03-30 1966-10-03
US3867723A (en) * 1973-11-07 1975-02-18 Ibm Multiple flexible disk file
US3940794A (en) * 1974-06-19 1976-02-24 International Business Machines Corporation Stacked flexible record disk storage apparatus having enhanced disk separation
US3936880A (en) * 1974-07-01 1976-02-03 International Business Machines Corporation Bistable deflection separation of flexible disks

Also Published As

Publication number Publication date
AU1960076A (en) 1978-05-18
AU504587B2 (en) 1979-10-18
US4011590A (en) 1977-03-08
BR7607384A (pt) 1977-09-20
CA1066409A (en) 1979-11-13

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