CA1068399A - Disk file access mechanism - Google Patents

Disk file access mechanism

Info

Publication number
CA1068399A
CA1068399A CA241,598A CA241598A CA1068399A CA 1068399 A CA1068399 A CA 1068399A CA 241598 A CA241598 A CA 241598A CA 1068399 A CA1068399 A CA 1068399A
Authority
CA
Canada
Prior art keywords
carriage
pawl
stack
disk stack
access
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
CA241,598A
Other languages
English (en)
French (fr)
Inventor
George D. Herring
David R. Wilson
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
Application granted granted Critical
Publication of CA1068399A publication Critical patent/CA1068399A/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
    • 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

Landscapes

  • Moving Of Heads (AREA)
CA241,598A 1975-01-06 1975-12-09 Disk file access mechanism Expired CA1068399A (en)

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
CA1068399A true CA1068399A (en) 1979-12-18

Family

ID=24147716

Family Applications (1)

Application Number Title Priority Date Filing Date
CA241,598A Expired CA1068399A (en) 1975-01-06 1975-12-09 Disk file access mechanism

Country Status (7)

Country Link
US (1) US3950783A (2)
JP (1) JPS5220843B2 (2)
CA (1) CA1068399A (2)
DE (1) DE2554535A1 (2)
FR (1) FR2296904A1 (2)
GB (1) GB1494967A (2)
IT (1) IT1051407B (2)

Families Citing this family (8)

* 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
USD251559S (en) 1976-10-26 1979-04-10 Sli Industries Rotary actuator for positioning magnetic head adjacent the surface of a magnetic disc
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
GB1494967A (en) 1977-12-14
JPS5189708A (2) 1976-08-06
FR2296904B1 (2) 1978-05-12
DE2554535A1 (de) 1976-07-08
US3950783A (en) 1976-04-13
IT1051407B (it) 1981-04-21
FR2296904A1 (fr) 1976-07-30
JPS5220843B2 (2) 1977-06-07

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