FR2296904A1 - Mecanisme d'acces aux disques d'une memoire a pile de disques magnetiques - Google Patents

Mecanisme d'acces aux disques d'une memoire a pile de disques magnetiques

Info

Publication number
FR2296904A1
FR2296904A1 FR7537214A FR7537214A FR2296904A1 FR 2296904 A1 FR2296904 A1 FR 2296904A1 FR 7537214 A FR7537214 A FR 7537214A FR 7537214 A FR7537214 A FR 7537214A FR 2296904 A1 FR2296904 A1 FR 2296904A1
Authority
FR
France
Prior art keywords
discs
accessing
stack
magnetic
magnetic discs
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.)
Granted
Application number
FR7537214A
Other languages
English (en)
Other versions
FR2296904B1 (fr
Inventor
George D Herring
David R Wilson
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.)
International Business Machines Corp
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
Publication of FR2296904A1 publication Critical patent/FR2296904A1/fr
Application granted granted Critical
Publication of FR2296904B1 publication Critical patent/FR2296904B1/fr
Granted 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
FR7537214A 1975-01-06 1975-12-01 Mecanisme d'acces aux disques d'une memoire a pile de disques magnetiques Granted FR2296904A1 (fr)

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 (2)

Publication Number Publication Date
FR2296904A1 true FR2296904A1 (fr) 1976-07-30
FR2296904B1 FR2296904B1 (fr) 1978-05-12

Family

ID=24147716

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7537214A Granted FR2296904A1 (fr) 1975-01-06 1975-12-01 Mecanisme d'acces aux disques d'une memoire a pile de disques magnetiques

Country Status (7)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2415861A1 (fr) * 1978-01-26 1979-08-24 Exxon Research Engineering Co Dispositif d'entrainement d'une tete de lecture d'un disque souple a memorisation de donnees

Families Citing this family (6)

* 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
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

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Family Cites Families (1)

* 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

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2415861A1 (fr) * 1978-01-26 1979-08-24 Exxon Research Engineering Co Dispositif d'entrainement d'une tete de lecture d'un disque souple a memorisation de donnees

Also Published As

Publication number Publication date
CA1068399A (fr) 1979-12-18
FR2296904B1 (fr) 1978-05-12
JPS5189708A (fr) 1976-08-06
IT1051407B (it) 1981-04-21
GB1494967A (en) 1977-12-14
DE2554535A1 (de) 1976-07-08
US3950783A (en) 1976-04-13
JPS5220843B2 (fr) 1977-06-07

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Legal Events

Date Code Title Description
ST Notification of lapse