GB1455969A - Flexible disc recording devices - Google Patents

Flexible disc recording devices

Info

Publication number
GB1455969A
GB1455969A GB1867475A GB1867475A GB1455969A GB 1455969 A GB1455969 A GB 1455969A GB 1867475 A GB1867475 A GB 1867475A GB 1867475 A GB1867475 A GB 1867475A GB 1455969 A GB1455969 A GB 1455969A
Authority
GB
United Kingdom
Prior art keywords
stack
flexible disc
recording devices
disc recording
flexible
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
GB1867475A
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 GB1455969A publication Critical patent/GB1455969A/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
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G11B19/22—Brakes other than speed-regulating brakes

Landscapes

  • Automatic Disk Changers (AREA)
  • Moving Of Heads (AREA)
  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
GB1867475A 1974-07-01 1975-05-05 Flexible disc recording devices Expired GB1455969A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/484,829 US3947885A (en) 1974-07-01 1974-07-01 Restraint device for buckling a flexible magnetic disk stack upon partitioning

Publications (1)

Publication Number Publication Date
GB1455969A true GB1455969A (en) 1976-11-17

Family

ID=23925788

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1867475A Expired GB1455969A (en) 1974-07-01 1975-05-05 Flexible disc recording devices

Country Status (6)

Country Link
US (1) US3947885A (cg-RX-API-DMAC7.html)
JP (1) JPS5333252B2 (cg-RX-API-DMAC7.html)
DE (1) DE2526524A1 (cg-RX-API-DMAC7.html)
FR (1) FR2277405A1 (cg-RX-API-DMAC7.html)
GB (1) GB1455969A (cg-RX-API-DMAC7.html)
IT (1) IT1038944B (cg-RX-API-DMAC7.html)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4291349A (en) * 1976-08-04 1981-09-22 Burroughs Corporation Diverter means for flexible disk pack and associated method
US4086640A (en) * 1976-08-04 1978-04-25 Burroughs Corporation Partitionable portable flexible disk pack
US4167029A (en) * 1976-08-04 1979-09-04 Burroughs Corporation Jet distributor for end-wise pneumatic partitioning of disk pack
US4129891A (en) * 1977-02-07 1978-12-12 Burroughs Corporation Double partitioning of flexible disk pack and associated apparatus
US4118746A (en) * 1977-03-04 1978-10-03 Burroughs Corporation High performance floppy pack and associated system
US4185311A (en) * 1977-03-21 1980-01-22 Burroughs Corporation Partition of high performance floppy pack and associated means

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3130393A (en) * 1959-05-13 1964-04-21 Sperry Rand Corp Information storage device
NL273365A (cg-RX-API-DMAC7.html) * 1961-01-11
NL6603388A (cg-RX-API-DMAC7.html) * 1965-03-30 1966-10-03

Also Published As

Publication number Publication date
FR2277405B1 (cg-RX-API-DMAC7.html) 1980-05-30
US3947885A (en) 1976-03-30
JPS5333252B2 (cg-RX-API-DMAC7.html) 1978-09-13
IT1038944B (it) 1979-11-30
DE2526524A1 (de) 1976-01-22
FR2277405A1 (fr) 1976-01-30
JPS516523A (cg-RX-API-DMAC7.html) 1976-01-20

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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