IT1051407B - Meccanismo di accesso per una memoria a dischi - Google Patents

Meccanismo di accesso per una memoria a dischi

Info

Publication number
IT1051407B
IT1051407B IT30504/75A IT3050475A IT1051407B IT 1051407 B IT1051407 B IT 1051407B IT 30504/75 A IT30504/75 A IT 30504/75A IT 3050475 A IT3050475 A IT 3050475A IT 1051407 B IT1051407 B IT 1051407B
Authority
IT
Italy
Prior art keywords
disk memory
access mechanism
access
disk
memory
Prior art date
Application number
IT30504/75A
Other languages
English (en)
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.)
Filing date
Publication date
Application filed by Ibm filed Critical Ibm
Application granted granted Critical
Publication of IT1051407B publication Critical patent/IT1051407B/it

Links

Classifications

    • 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
IT30504/75A 1975-01-06 1975-12-19 Meccanismo di accesso per una memoria a dischi IT1051407B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/538,627 US3950783A (en) 1975-01-06 1975-01-06 Disk file access mechanism

Publications (1)

Publication Number Publication Date
IT1051407B true IT1051407B (it) 1981-04-21

Family

ID=24147716

Family Applications (1)

Application Number Title Priority Date Filing Date
IT30504/75A IT1051407B (it) 1975-01-06 1975-12-19 Meccanismo di accesso per una memoria a dischi

Country Status (7)

Country Link
US (1) US3950783A (it)
JP (1) JPS5220843B2 (it)
CA (1) CA1068399A (it)
DE (1) DE2554535A1 (it)
FR (1) FR2296904A1 (it)
GB (1) GB1494967A (it)
IT (1) IT1051407B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4030137A (en) * 1975-09-23 1977-06-14 Shugart Associates, Inc. Lead screw support damping mechanism
US4068268A (en) * 1976-01-08 1978-01-10 Idemoto Tom Y Method and apparatus for writing servo-tracks on rotating magnetic memory surfaces
DE2901285A1 (de) * 1978-01-26 1979-08-02 Exxon Research Engineering Co Lese-schreibkopfantrieb fuer flexible magnetplatten
DE2916387A1 (de) * 1978-04-23 1979-10-31 Canon Kk Bildaufzeichnungsvorrichtung
US4315290A (en) * 1980-01-11 1982-02-09 Siemens Corporation Apparatus for shifting the magnetic read/write head carriage in a floppy disk drive unit
US4445153A (en) * 1980-03-07 1984-04-24 Ricoh Company, Ltd. Method of correcting track misalignment of floppy disc and apparatus therefor
US4916562A (en) * 1985-10-31 1990-04-10 Brother Kogyo Kabushiki Kaisha Magnetic disk storage equipment

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3838462A (en) * 1973-07-02 1974-09-24 Ibm Partitionable disc memory with flexible discs and conformally suspended head
US3810243A (en) * 1973-07-02 1974-05-07 Ibm Selectively tensioned transducer assembly for operation in compliant relation to individual memory discs of a partitionable aggregate of rotating flexible discs

Also Published As

Publication number Publication date
US3950783A (en) 1976-04-13
FR2296904A1 (fr) 1976-07-30
JPS5220843B2 (it) 1977-06-07
FR2296904B1 (it) 1978-05-12
DE2554535A1 (de) 1976-07-08
CA1068399A (en) 1979-12-18
JPS5189708A (it) 1976-08-06
GB1494967A (en) 1977-12-14

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