GB2017378B - Partitioning of flexible disc pack by end-applied air jet - Google Patents

Partitioning of flexible disc pack by end-applied air jet

Info

Publication number: GB2017378B
Authority: GB; United Kingdom
Prior art keywords: partitioning; air jet; flexible disc; disc pack; applied air
Prior art date: 1978-03-27
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

GB7906983A

Other versions

GB2017378A (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.)

1978-03-27

Filing date

1979-02-28

Publication date

1982-06-23

1978-03-27 Priority claimed from US05/890,799 external-priority patent/US4167029A/en

1979-02-28 Application filed by Burroughs Corp filed Critical Burroughs Corp

1979-10-03 Publication of GB2017378A publication Critical patent/GB2017378A/en

1982-06-23 Application granted granted Critical

1982-06-23 Publication of GB2017378B publication Critical patent/GB2017378B/en

Status Expired legal-status Critical Current

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

GB7906983A 1978-03-27 1979-02-28 Partitioning of flexible disc pack by end-applied air jet Expired GB2017378B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/890,799 US4167029A (en)	1976-08-04	1978-03-27	Jet distributor for end-wise pneumatic partitioning of disk pack

Publications (2)

Publication Number	Publication Date
GB2017378A GB2017378A (en)	1979-10-03
GB2017378B true GB2017378B (en)	1982-06-23

Family

ID=25397153

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB7906983A Expired GB2017378B (en)	1978-03-27	1979-02-28	Partitioning of flexible disc pack by end-applied air jet

Country Status (10)

Country	Link
JP (1)	JPS54131911A (en)
AU (1)	AU512038B1 (en)
BE (1)	BE874823A (en)
BR (1)	BR7901575A (en)
DE (1)	DE2910400A1 (en)
FR (1)	FR2421437A1 (en)
GB (1)	GB2017378B (en)
IT (1)	IT1110401B (en)
NL (1)	NL7901743A (en)
PL (1)	PL214140A1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3994017A (en) *	1974-07-01	1976-11-23	International Business Machines Corporation	Random access disk file with axial translation of disks and end plate
US3936880A (en) *	1974-07-01	1976-02-03	International Business Machines Corporation	Bistable deflection separation of flexible disks
IT1072418B (en) *	1975-11-04	1985-04-10	Ibm	IMPROVED DISK MEMORY
US4019204A (en) *	1975-11-19	1977-04-19	International Business Machines Corporation	Fluidic transducer access opening in a stack of flexible record disks
US4086640A (en) *	1976-08-04	1978-04-25	Burroughs Corporation	Partitionable portable flexible disk pack

1979
- 1979-02-28 GB GB7906983A patent/GB2017378B/en not_active Expired
- 1979-03-05 NL NL7901743A patent/NL7901743A/en not_active Application Discontinuation
- 1979-03-06 FR FR7905805A patent/FR2421437A1/en not_active Withdrawn
- 1979-03-08 IT IT20834/79A patent/IT1110401B/en active
- 1979-03-13 JP JP2983479A patent/JPS54131911A/en active Pending
- 1979-03-13 AU AU45017/79A patent/AU512038B1/en not_active Ceased
- 1979-03-14 BR BR7901575A patent/BR7901575A/en unknown
- 1979-03-14 BE BE0/194004A patent/BE874823A/en unknown
- 1979-03-15 PL PL21414079A patent/PL214140A1/xx unknown
- 1979-03-16 DE DE19792910400 patent/DE2910400A1/en not_active Withdrawn

Also Published As

Publication number	Publication date
PL214140A1 (en)	1980-01-02
NL7901743A (en)	1979-10-01
JPS54131911A (en)	1979-10-13
IT7920834A0 (en)	1979-03-08
BR7901575A (en)	1979-10-16
BE874823A (en)	1979-07-02
DE2910400A1 (en)	1979-10-11
GB2017378A (en)	1979-10-03
AU512038B1 (en)	1980-09-18
IT1110401B (en)	1985-12-23
FR2421437A1 (en)	1979-10-26

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Legal Events

Date	Code	Title	Description
1983-10-12	PCNP	Patent ceased through non-payment of renewal fee