GB2011695A – Partitionable record pack
– Google Patents
GB2011695A – Partitionable record pack
– Google Patents
Partitionable record pack
Info
Publication number
GB2011695A
GB2011695A
GB7846351A
GB7846351A
GB2011695A
GB 2011695 A
GB2011695 A
GB 2011695A
GB 7846351 A
GB7846351 A
GB 7846351A
GB 7846351 A
GB7846351 A
GB 7846351A
GB 2011695 A
GB2011695 A
GB 2011695A
Authority
GB
United Kingdom
Prior art keywords
bores
partition
disks
pack
stacked
Prior art date
1977-12-23
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.)
Granted
Application number
GB7846351A
Other versions
GB2011695B
(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.)
1977-12-23
Filing date
1978-11-28
Publication date
1979-07-11
1978-11-28
Application filed by Burroughs Corp
filed
Critical
Burroughs Corp
1979-07-11
Publication of GB2011695A
publication
Critical
patent/GB2011695A/en
1982-03-24
Application granted
granted
Critical
1982-03-24
Publication of GB2011695B
publication
Critical
patent/GB2011695B/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
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
Abstract
A pack of flexible magnetic recording disks may be partitioned «end- wise». In one embodiment the disks are hole-encoded and either cut in different hole patterns, or else cut in a common hole pattern and stacked to dispose each in a unique rotational «misregistration» relative to all others – the result being to generate sets of «partition bores» permitting associated automatic apparatus to selectively partition the pack and expose any desired disk-side for operation thereon. In another embodiment the disks are stacked between apertured spacers about a hollow spindle, the spacers and disks being partition-apertured and stacked to generate a set of partition bores. These bores cooperate with selectably rotatable gas jet means co- rotated on the spindle and adjustably rotated relative to the pack to register with a selected one of these bores.
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
true
GB2011695A
(en)
1979-07-11
GB2011695B
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)
Cited By (1)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
FR2681173A1
(en)
*
1991-09-05
1993-03-12
Bernardo Jean Claude
Accurate process for apparatus using optical supports, allowing continuity of access to the successive faces of a program, and devices applying the said process
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
1978
1978-11-28
GB
GB7846351A
patent/GB2011695B/en
not_active
Expired
1978-11-29
FR
FR7833759A
patent/FR2412904A1/en
not_active
Withdrawn
1978-12-06
IT
IT3066078A
patent/IT1101636B/en
active
1978-12-08
SE
SE7812679A
patent/SE7812679L/en
not_active
Application Discontinuation
1978-12-08
AU
AU42350/78A
patent/AU4235078A/en
active
Pending
1978-12-09
JP
JP15299078A
patent/JPS54116909A/en
active
Pending
1978-12-14
DE
DE19782853933
patent/DE2853933A1/en
not_active
Withdrawn
1978-12-14
BR
BR7808234A
patent/BR7808234A/en
unknown
1978-12-21
NL
NL7812440A
patent/NL7812440A/en
not_active
Application Discontinuation
Cited By (1)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
FR2681173A1
(en)
*
1991-09-05
1993-03-12
Bernardo Jean Claude
Accurate process for apparatus using optical supports, allowing continuity of access to the successive faces of a program, and devices applying the said process
Also Published As
Publication number
Publication date
IT7830660D0
(en)
1978-12-06
NL7812440A
(en)
1979-06-26
FR2412904A1
(en)
1979-07-20
GB2011695B
(en)
1982-03-24
DE2853933A1
(en)
1979-06-28
IT1101636B
(en)
1985-10-07
BR7808234A
(en)
1979-08-14
JPS54116909A
(en)
1979-09-11
AU4235078A
(en)
1979-06-28
SE7812679L
(en)
1979-06-24
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Legal Events
Date
Code
Title
Description
1983-06-29
PCNP
Patent ceased through non-payment of renewal fee
