FR2105945A5 - - Google Patents

Info

Publication number
FR2105945A5
FR2105945A5 FR7130616A FR7130616A FR2105945A5 FR 2105945 A5 FR2105945 A5 FR 2105945A5 FR 7130616 A FR7130616 A FR 7130616A FR 7130616 A FR7130616 A FR 7130616A FR 2105945 A5 FR2105945 A5 FR 2105945A5
Authority
FR
France
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
FR7130616A
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.)
Information Storage Systems Inc
Original Assignee
Information Storage Systems Inc
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 Information Storage Systems Inc filed Critical Information Storage Systems Inc
Application granted granted Critical
Publication of FR2105945A5 publication Critical patent/FR2105945A5/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D3/00—Control of position or direction
    • G05D3/12—Control of position or direction using feedback
    • G05D3/20—Control of position or direction using feedback using a digital comparing device
    • 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
    • G11B5/5526—Control therefor; circuits, track configurations or relative disposition of servo-information transducers and servo-information tracks for control thereof
    • G11B5/553—Details
    • G11B5/5534—Initialisation, calibration, e.g. cylinder "set-up"
FR7130616A 1970-08-24 1971-08-24 Expired FR2105945A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US6652670A 1970-08-24 1970-08-24

Publications (1)

Publication Number Publication Date
FR2105945A5 true FR2105945A5 (fr) 1972-04-28

Family

ID=22070078

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7130616A Expired FR2105945A5 (fr) 1970-08-24 1971-08-24

Country Status (7)

Country Link
US (1) US3670316A (fr)
JP (1) JPS5224401B1 (fr)
CA (1) CA959574A (fr)
DE (1) DE2141104C3 (fr)
FR (1) FR2105945A5 (fr)
GB (1) GB1364517A (fr)
NL (1) NL166349C (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988006789A1 (fr) * 1987-03-03 1988-09-07 Unisys Corporation Mecanisme de prevention des degats pour un systeme de positionnement d'entrainement de disque
WO2022258896A1 (fr) 2021-06-07 2022-12-15 Psa Automobiles Sa Procédé et dispositif de désactivation de système d'aide à la conduite

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU530227B2 (en) * 1981-10-19 1983-07-07 Canon Kabushiki Kaisha Serial printer
JPS5938978A (ja) * 1982-08-26 1984-03-03 Toshiba Corp 磁気ヘッド駆動装置
EP0104941A3 (fr) * 1982-09-27 1985-11-06 Quantum Corporation Appareil à mémoire de données
US4491884A (en) * 1983-03-01 1985-01-01 Verbatim Corporation Method of monitoring head alignment in a magnetic data storage device
JP2010135029A (ja) * 2008-12-05 2010-06-17 Sony Corp 光ディスク装置及び光ディスク駆動制御方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3361873A (en) * 1962-05-07 1968-01-02 Minnesota Mining & Mfg Disc recording system
US3530447A (en) * 1966-12-02 1970-09-22 Digital Equipment Corp Transducer positioning indexer in magnetic disc recorder
US3491347A (en) * 1967-03-20 1970-01-20 North American Rockwell Servo system for positioning transducers at track locations
US3576454A (en) * 1968-03-28 1971-04-27 Ibm Data storage accessing mechanism with moving coil motor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988006789A1 (fr) * 1987-03-03 1988-09-07 Unisys Corporation Mecanisme de prevention des degats pour un systeme de positionnement d'entrainement de disque
WO2022258896A1 (fr) 2021-06-07 2022-12-15 Psa Automobiles Sa Procédé et dispositif de désactivation de système d'aide à la conduite

Also Published As

Publication number Publication date
JPS5224401B1 (fr) 1977-07-01
NL7111648A (fr) 1972-02-28
NL166349C (nl) 1981-07-15
DE2141104C3 (de) 1974-10-31
US3670316A (en) 1972-06-13
GB1364517A (en) 1974-08-21
DE2141104A1 (de) 1972-03-02
DE2141104B2 (fr) 1974-03-28
CA959574A (en) 1974-12-17

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Legal Events

Date Code Title Description
ST Notification of lapse