GB2011695B - Flexible disc pack for end-wise partitioning and associated methods - Google Patents

Flexible disc pack for end-wise partitioning and associated methods

Info

Publication number
GB2011695B
GB2011695B GB7846351A GB7846351A GB2011695B GB 2011695 B GB2011695 B GB 2011695B GB 7846351 A GB7846351 A GB 7846351A GB 7846351 A GB7846351 A GB 7846351A GB 2011695 B GB2011695 B GB 2011695B
Authority
GB
United Kingdom
Prior art keywords
associated methods
flexible disc
disc pack
wise partitioning
partitioning
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
GB7846351A
Other versions
GB2011695A (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.)
Unisys Corp
Original Assignee
Burroughs 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 Burroughs Corp filed Critical Burroughs Corp
Publication of GB2011695A publication Critical patent/GB2011695A/en
Application granted granted Critical
Publication of GB2011695B publication Critical patent/GB2011695B/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
    • G11B17/022—Positioning or locking of single discs
    • G11B17/028—Positioning or locking of single discs of discs rotating during transducing operation
    • G11B17/0287—Positioning or locking of single discs of discs rotating during transducing operation by permanent connections, e.g. screws, rivets
    • 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
    • G11B17/02—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
    • 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
GB7846351A 1977-12-23 1978-11-28 Flexible disc pack for end-wise partitioning and associated methods Expired GB2011695B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US86401177A 1977-12-23 1977-12-23

Publications (2)

Publication Number Publication Date
GB2011695A GB2011695A (en) 1979-07-11
GB2011695B true GB2011695B (en) 1982-03-24

Family

ID=25342320

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7846351A Expired GB2011695B (en) 1977-12-23 1978-11-28 Flexible disc pack for end-wise partitioning and associated methods

Country Status (9)

Country Link
JP (1) JPS54116909A (en)
AU (1) AU4235078A (en)
BR (1) BR7808234A (en)
DE (1) DE2853933A1 (en)
FR (1) FR2412904A1 (en)
GB (1) GB2011695B (en)
IT (1) IT1101636B (en)
NL (1) NL7812440A (en)
SE (1) SE7812679L (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2681173B1 (en) * 1991-09-05 1993-12-17 Bernardo Jean Claude PRECISION METHOD FOR APPARATUS USING OPTICAL MEDIA, ALLOWING CONTINUITY OF ACCESS TO SUCCESSIVE FACES OF A PROGRAM, AND DEVICES APPLYING SAID METHOD.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1360617A (en) * 1919-03-17 1920-11-30 Brand Harry Russell Segregating system
US3936880A (en) * 1974-07-01 1976-02-03 International Business Machines Corporation Bistable deflection separation of flexible disks
US3994017A (en) * 1974-07-01 1976-11-23 International Business Machines Corporation Random access disk file with axial translation of disks and end plate
US3969767A (en) * 1975-04-02 1976-07-13 International Business Machines Corporation Spacer supports for flexible disk structures
US4086640A (en) * 1976-08-04 1978-04-25 Burroughs Corporation Partitionable portable flexible disk pack

Also Published As

Publication number Publication date
AU4235078A (en) 1979-06-28
IT1101636B (en) 1985-10-07
NL7812440A (en) 1979-06-26
JPS54116909A (en) 1979-09-11
FR2412904A1 (en) 1979-07-20
DE2853933A1 (en) 1979-06-28
IT7830660A0 (en) 1978-12-06
SE7812679L (en) 1979-06-24
GB2011695A (en) 1979-07-11
BR7808234A (en) 1979-08-14

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee