FR2179286A5 - - Google Patents

Info

Publication number
FR2179286A5
FR2179286A5 FR7211884A FR7211884A FR2179286A5 FR 2179286 A5 FR2179286 A5 FR 2179286A5 FR 7211884 A FR7211884 A FR 7211884A FR 7211884 A FR7211884 A FR 7211884A FR 2179286 A5 FR2179286 A5 FR 2179286A5
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
FR7211884A
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.)
Bull SA
Bull HN Information Systems Inc
Original Assignee
Societe Industrielle Honeywell Bull
Honeywell Bull 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 Societe Industrielle Honeywell Bull, Honeywell Bull Inc filed Critical Societe Industrielle Honeywell Bull
Priority to FR7211884A priority Critical patent/FR2179286A5/fr
Priority to HU73HO1550A priority patent/HU173214B/hu
Priority to NL7303394A priority patent/NL7303394A/xx
Priority to GB1521573A priority patent/GB1423192A/en
Priority to JP3790173A priority patent/JPS4948314A/ja
Priority to DE19732317159 priority patent/DE2317159A1/de
Priority to IT2259773A priority patent/IT982698B/it
Application granted granted Critical
Publication of FR2179286A5 publication Critical patent/FR2179286A5/fr
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
    • G11B5/5526—Control therefor; circuits, track configurations or relative disposition of servo-information transducers and servo-information tracks for control thereof
    • G11B5/553—Details
    • G11B5/5547—"Seek" control and circuits therefor
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
    • G05B19/19—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path
    • G05B19/39—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path using a combination of the means covered by at least two of the preceding sub-groups G05B19/21, G05B19/27, and G05B19/33
    • 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
    • G05D3/203—Control of position or direction using feedback using a digital comparing device using fine or coarse devices
    • 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
FR7211884A 1972-04-05 1972-04-05 Expired FR2179286A5 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR7211884A FR2179286A5 (fr) 1972-04-05 1972-04-05
HU73HO1550A HU173214B (hu) 1972-04-05 1973-03-09 Ehlektroskhema dlja upravljaemogo predotvrahhenija nezhelatel'nogo prisustvija ehlektronnogo lucha na poleznoj
NL7303394A NL7303394A (fr) 1972-04-05 1973-03-09
GB1521573A GB1423192A (en) 1972-04-05 1973-03-29 Arrangement for the exact positioning of a movable part
JP3790173A JPS4948314A (fr) 1972-04-05 1973-04-04
DE19732317159 DE2317159A1 (de) 1972-04-05 1973-04-05 Vorrichtung zum genauen einstellen eines beweglichen organs
IT2259773A IT982698B (it) 1972-04-05 1973-04-05 Perfezionamento di un dispositi vo per il pregiso posizionamento di un organo mobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7211884A FR2179286A5 (fr) 1972-04-05 1972-04-05

Publications (1)

Publication Number Publication Date
FR2179286A5 true FR2179286A5 (fr) 1973-11-16

Family

ID=9096347

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7211884A Expired FR2179286A5 (fr) 1972-04-05 1972-04-05

Country Status (7)

Country Link
JP (1) JPS4948314A (fr)
DE (1) DE2317159A1 (fr)
FR (1) FR2179286A5 (fr)
GB (1) GB1423192A (fr)
HU (1) HU173214B (fr)
IT (1) IT982698B (fr)
NL (1) NL7303394A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4084201A (en) * 1975-12-02 1978-04-11 Basf Aktiengesellschaft Magnetic disc, especially a flexible magnetic disc, for track adjustment and amplitude control
AUPR120400A0 (en) * 2000-11-02 2000-11-23 Fujisawa Pharmaceutical Co., Ltd. New compound

Also Published As

Publication number Publication date
HU173214B (hu) 1979-03-28
JPS4948314A (fr) 1974-05-10
DE2317159A1 (de) 1973-10-11
GB1423192A (en) 1976-01-28
NL7303394A (fr) 1973-10-09
IT982698B (it) 1974-10-21

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Legal Events

Date Code Title Description
ST Notification of lapse