SE401285B - MAGNETIC DATA STORAGE DEVICE - Google Patents

MAGNETIC DATA STORAGE DEVICE

Info

Publication number: SE401285B
Authority: SE; Sweden
Prior art keywords: storage device; data storage; magnetic data; magnetic; storage
Prior art date: 1973-10-12

Application number

SE7412659A

Other languages

Swedish (sv)

Other versions

SE7412659L (en

Inventor

J F Elliott

Original Assignee

Ibm

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.)

1973-10-12

Filing date

1974-10-09

Publication date

1978-04-24

1974-10-09 Application filed by Ibm filed Critical Ibm

1975-04-14 Publication of SE7412659L publication Critical patent/SE7412659L/en

1978-04-24 Publication of SE401285B publication Critical patent/SE401285B/en

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
- G11B17/34—Guiding record carriers during transducing operation, e.g. for track following
- 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
- G11B17/032—Positioning by moving the door or the cover
- 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
- G11B17/32—Maintaining desired spacing between record carrier and head, e.g. by fluid-dynamic spacing

SE7412659A 1973-10-12 1974-10-09 MAGNETIC DATA STORAGE DEVICE SE401285B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US40613773A	1973-10-12	1973-10-12

Publications (2)

Publication Number	Publication Date
SE7412659L SE7412659L (en)	1975-04-14
SE401285B true SE401285B (en)	1978-04-24

Family

ID=23606684

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE7412659A SE401285B (en)	1973-10-12	1974-10-09	MAGNETIC DATA STORAGE DEVICE

Country Status (9)

Country	Link
JP (1)	JPS5321850B2 (en)
BE (1)	BE820982A (en)
CA (1)	CA1056499A (en)
DE (1)	DE2441881B2 (en)
FR (1)	FR2247786B1 (en)
GB (1)	GB1465288A (en)
IT (1)	IT1020144B (en)
NL (1)	NL7412744A (en)
SE (1)	SE401285B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4151573A (en) *	1977-06-13	1979-04-24	Tandon Magnetics Corp.	Magnetic recording device for double sided media
DE2812574C3 (en) *	1978-03-22	1981-01-29	Siemens Ag, 1000 Berlin Und 8000 Muenchen	Floppy disk drive
JPS6245329Y2 (en) *	1980-10-07	1987-12-03
AT391377B (en) *	1980-12-31	1990-09-25	Sony Corp	DRIVE UNIT FOR A FLEXIBLE PLATE
JPS57162147A (en) *	1981-03-27	1982-10-05	Nec Corp	Magnetic recorder

1974
- 1974-08-23 IT IT26544/74A patent/IT1020144B/en active
- 1974-08-30 FR FR7430004A patent/FR2247786B1/fr not_active Expired
- 1974-08-31 DE DE19742441881 patent/DE2441881B2/en active Granted
- 1974-09-19 CA CA209,552A patent/CA1056499A/en not_active Expired
- 1974-09-26 NL NL7412744A patent/NL7412744A/en not_active Application Discontinuation
- 1974-09-27 JP JP11067674A patent/JPS5321850B2/ja not_active Expired
- 1974-10-08 GB GB4344274A patent/GB1465288A/en not_active Expired
- 1974-10-09 SE SE7412659A patent/SE401285B/en unknown
- 1974-10-11 BE BE149454A patent/BE820982A/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
GB1465288A (en)	1977-02-23
IT1020144B (en)	1977-12-20
FR2247786A1 (en)	1975-05-09
SE7412659L (en)	1975-04-14
FR2247786B1 (en)	1978-10-27
DE2441881B2 (en)	1976-04-29
JPS5321850B2 (en)	1978-07-05
DE2441881A1 (en)	1975-04-24
BE820982A (en)	1975-02-03
CA1056499A (en)	1979-06-12
JPS5067620A (en)	1975-06-06
NL7412744A (en)	1975-04-15

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