IT1144421B - Unita per il trattamento di dischi magnetici - Google Patents

Unita per il trattamento di dischi magnetici

Info

Publication number
IT1144421B
IT1144421B IT68021/81A IT6802181A IT1144421B IT 1144421 B IT1144421 B IT 1144421B IT 68021/81 A IT68021/81 A IT 68021/81A IT 6802181 A IT6802181 A IT 6802181A IT 1144421 B IT1144421 B IT 1144421B
Authority
IT
Italy
Prior art keywords
treatment
unit
magnetic discs
discs
magnetic
Prior art date
Application number
IT68021/81A
Other languages
English (en)
Other versions
IT8168021A0 (it
Inventor
Giuseppe Bettini
Sergio Tronzano
Original Assignee
Olivetti & Co Spa
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 Olivetti & Co Spa filed Critical Olivetti & Co Spa
Priority to IT68021/81A priority Critical patent/IT1144421B/it
Publication of IT8168021A0 publication Critical patent/IT8168021A0/it
Priority to EP82303777A priority patent/EP0071381A3/en
Priority to BR8204233A priority patent/BR8204233A/pt
Priority to JP57128854A priority patent/JPS5853059A/ja
Application granted granted Critical
Publication of IT1144421B publication Critical patent/IT1144421B/it

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
    • G11B17/0284—Positioning or locking of single discs of discs rotating during transducing operation by clampers
    • 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
    • G11B5/55—Track change, selection or acquisition by displacement of the head
    • G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
IT68021/81A 1981-07-23 1981-07-23 Unita per il trattamento di dischi magnetici IT1144421B (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT68021/81A IT1144421B (it) 1981-07-23 1981-07-23 Unita per il trattamento di dischi magnetici
EP82303777A EP0071381A3 (en) 1981-07-23 1982-07-19 Magnetic disc drive unit
BR8204233A BR8204233A (pt) 1981-07-23 1982-07-21 Unidade para o tratamento de discos magneticos
JP57128854A JPS5853059A (ja) 1981-07-23 1982-07-23 磁気デイスク駆動装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT68021/81A IT1144421B (it) 1981-07-23 1981-07-23 Unita per il trattamento di dischi magnetici

Publications (2)

Publication Number Publication Date
IT8168021A0 IT8168021A0 (it) 1981-07-23
IT1144421B true IT1144421B (it) 1986-10-29

Family

ID=11307253

Family Applications (1)

Application Number Title Priority Date Filing Date
IT68021/81A IT1144421B (it) 1981-07-23 1981-07-23 Unita per il trattamento di dischi magnetici

Country Status (4)

Country Link
EP (1) EP0071381A3 (it)
JP (1) JPS5853059A (it)
BR (1) BR8204233A (it)
IT (1) IT1144421B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61196480A (ja) * 1985-02-26 1986-08-30 Tokyo Electric Co Ltd 磁気記録装置
JPS61196474A (ja) * 1985-02-26 1986-08-30 Secoh Giken Inc 負荷の歩進装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3768815A (en) * 1972-06-21 1973-10-30 Ibm Apparatus for clamping and centering a flexible magnetic disk
US3968972A (en) * 1974-06-21 1976-07-13 Sycor, Inc. Self centering hub for flexible recording discs and the like
US4125883A (en) * 1977-09-02 1978-11-14 Memorex Corporation Apparatus for centering and clamping a flexible magnetic recording disc
DE2809060A1 (de) * 1978-03-02 1979-09-13 Mfe Corp Halter fuer flexible, plattenfoermige aufzeichnungstraeger
DD142769A1 (de) * 1979-04-09 1980-07-09 Walter Vormeng KOPFPOSITIONIEREINRICHTUNG FUER MAGNETOMOTORISCHE D&TENSPEICHER

Also Published As

Publication number Publication date
EP0071381A2 (en) 1983-02-09
EP0071381A3 (en) 1983-03-23
JPS5853059A (ja) 1983-03-29
IT8168021A0 (it) 1981-07-23
BR8204233A (pt) 1983-07-12

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