ES462537A1 - Perfeccionamientos introducidos en un archivo de datos. - Google Patents

Perfeccionamientos introducidos en un archivo de datos.

Info

Publication number
ES462537A1
ES462537A1 ES462537A ES462537A ES462537A1 ES 462537 A1 ES462537 A1 ES 462537A1 ES 462537 A ES462537 A ES 462537A ES 462537 A ES462537 A ES 462537A ES 462537 A1 ES462537 A1 ES 462537A1
Authority
ES
Spain
Prior art keywords
locating hole
self
shaped center
center locating
centering disk
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
ES462537A
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 ES462537A1 publication Critical patent/ES462537A1/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
    • G11B17/02—Details
    • G11B17/038—Centering or locking of a plurality of discs in a single cartridge
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/0014—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture record carriers not specifically of filamentary or web form
    • G11B23/0021—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture record carriers not specifically of filamentary or web form discs
    • G11B23/0028—Details
    • G11B23/0035—Details means incorporated in the disc, e.g. hub, to enable its guiding, loading or driving
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F10/00—Thin magnetic films, e.g. of one-domain structure
    • H01F10/08—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers
    • H01F10/10—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition
    • H01F10/18—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition being compounds
    • H01F10/20—Ferrites

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Power Engineering (AREA)
  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
  • Moving Of Heads (AREA)

Abstract

Perfeccionamientos introducidos en un archivo de datos que comprende: al menos un disco, cada uno de los cuales tiene un orificio de posicionamiento central excéntrico, de múltiples lóbulos, que incluye superficies de apoyo arquedas, angularmente espaciadas, y tendiendo cada disco información almacenada en él y un conjunto de cubo de accionamiento giratorio que tiene varios salientes, en número igual al de lóbulo de dicho disco para aplicarse a dichas superficies de apoyo arquedas de dicho orificio de posicionamiento central de cada disco para impulsar dichos discos.
ES462537A 1976-11-02 1977-09-22 Perfeccionamientos introducidos en un archivo de datos. Expired ES462537A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/737,947 US4091454A (en) 1976-11-02 1976-11-02 Self-centering disk having an eccentric elliptical-shaped center locating hole

Publications (1)

Publication Number Publication Date
ES462537A1 true ES462537A1 (es) 1978-07-16

Family

ID=24965923

Family Applications (1)

Application Number Title Priority Date Filing Date
ES462537A Expired ES462537A1 (es) 1976-11-02 1977-09-22 Perfeccionamientos introducidos en un archivo de datos.

Country Status (21)

Country Link
US (1) US4091454A (es)
JP (1) JPS5357011A (es)
AR (1) AR225269A1 (es)
AT (1) AT355820B (es)
AU (1) AU510780B2 (es)
BR (1) BR7707403A (es)
CA (1) CA1100632A (es)
CH (1) CH622641A5 (es)
CS (1) CS714677A2 (es)
DD (1) DD133379A5 (es)
DE (1) DE2739724C3 (es)
ES (1) ES462537A1 (es)
FR (1) FR2369648A1 (es)
GB (1) GB1581483A (es)
IL (1) IL52888A (es)
IT (1) IT1115682B (es)
NL (1) NL7711511A (es)
PH (1) PH19363A (es)
SE (1) SE426111B (es)
SU (1) SU971122A3 (es)
YU (1) YU254577A (es)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4149207A (en) * 1977-10-25 1979-04-10 International Business Machines Corporation Cartridge and flexible magnetic disk assembly
US4229808A (en) * 1978-12-21 1980-10-21 Ncr Corporation Method for recording multiple data segments on a storage disc with eccentricity factor
DE3135385A1 (de) 1980-03-05 1983-03-17 Papst-Motoren GmbH & Co KG, 7742 St Georgen Plattenspeicher
US4358843A (en) * 1980-09-29 1982-11-09 Rager Edgar A Spindle for centering a data disk
NL8102283A (nl) * 1981-05-11 1982-12-01 Philips Nv Optisch uitleesbare informatieschijf met een reflectielaag gevormd uit een metaallegering.
JPS57195674U (es) * 1981-06-05 1982-12-11
JPS57203272A (en) * 1981-06-10 1982-12-13 Hitachi Ltd Disc locating mechanism
JPS58118072A (ja) * 1981-12-29 1983-07-13 Seiko Epson Corp 記録媒体取り付け機構
US4503474A (en) * 1982-06-04 1985-03-05 Syquest Technology Disc drive cartridge arrangement
US4754351A (en) * 1984-08-22 1988-06-28 Maxtor Corporation Method and apparatus for controlling radial disk displacement in Winchester disk drives
US5982736A (en) 1997-05-15 1999-11-09 Pierson; Gerald A. Trading card optical compact disc and methods of using and forming same
US7174369B1 (en) 1997-05-15 2007-02-06 Dxpdd, Inc. System and methods of updating compact disc cards and graphical user interface for updating same
US6055123A (en) * 1997-09-16 2000-04-25 Seagate Technology, Inc. Radially loaded disc mounting system for a disc drive
USD418502S (en) * 1998-09-03 2000-01-04 American Tract Society Compact disc
USD426203S (en) * 1998-09-17 2000-06-06 Shape Cd, Inc. Compact disc
USD421427S (en) * 1998-09-17 2000-03-07 Shape Cd, Inc. Compact disc
US6166884A (en) * 1998-10-30 2000-12-26 Iomega Corporation Apparatus and system for stabilizing a disk media surface for engagement with a drive head
USD419152S (en) * 1999-02-11 2000-01-18 Shape Cd, Inc. Compact disk/mini disk
US7152097B1 (en) 2000-06-19 2006-12-19 Diskxpress Us, Inc. System and methods of updating compact discs and graphical user interface for updating same
US10502321B2 (en) 2014-01-14 2019-12-10 Compart Systems Pte, Ltd. Gasket retainer for surface mount fluid component
US9869409B2 (en) * 2013-01-15 2018-01-16 Vistadeltek, Llc Gasket retainer for surface mount fluid component

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR768625A (fr) * 1933-05-02 1934-08-10 Appareil d'enregistrement et d'audition de disques phonographiques
GB421680A (en) * 1933-10-26 1934-12-28 Samuel Whyte Improvements in sound records
US2155603A (en) * 1937-03-16 1939-04-25 Us Gauge Co Nonremovable chart holder
US3130393A (en) * 1959-05-13 1964-04-21 Sperry Rand Corp Information storage device
US3156918A (en) * 1960-12-30 1964-11-10 Ibm Record eccentricity detector and centering arrangement for recording machines
US3258750A (en) * 1962-07-02 1966-06-28 Multi-channel magnetic recording systems
US3198657A (en) * 1964-09-17 1965-08-03 Ibm Process for spin coating objects
JPS537801B2 (es) * 1973-06-14 1978-03-22
JPS5159205U (es) * 1974-11-01 1976-05-10

Also Published As

Publication number Publication date
IL52888A0 (en) 1977-11-30
DE2739724C3 (de) 1979-09-06
ATA637177A (de) 1979-08-15
GB1581483A (en) 1980-12-17
DE2739724A1 (de) 1978-05-03
IT1115682B (it) 1986-02-03
US4091454A (en) 1978-05-23
DD133379A5 (de) 1978-12-27
PH19363A (en) 1986-04-02
CS714677A2 (en) 1984-02-13
JPS5716424B2 (es) 1982-04-05
FR2369648A1 (fr) 1978-05-26
SE7712116L (sv) 1978-05-02
SU971122A3 (ru) 1982-10-30
SE426111B (sv) 1982-12-06
CH622641A5 (es) 1981-04-15
AR225269A1 (es) 1982-03-15
AT355820B (de) 1980-03-25
AU2982077A (en) 1979-05-24
BR7707403A (pt) 1978-08-22
YU254577A (en) 1982-02-28
JPS5357011A (en) 1978-05-24
FR2369648B1 (es) 1979-06-01
IL52888A (en) 1979-11-30
NL7711511A (nl) 1978-05-05
CA1100632A (en) 1981-05-05
AU510780B2 (en) 1980-07-10
DE2739724B2 (es) 1978-12-07

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19980401