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
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 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Human Computer Interaction (AREA)
- Manufacturing & Machinery (AREA)
- Control Of Position Or Direction (AREA)
- Moving Of The Head To Find And Align With The Track (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7211884A FR2179286A5 (US20080094685A1-20080424-C00004.png) | 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 (US20080094685A1-20080424-C00004.png) | 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 (US20080094685A1-20080424-C00004.png) | 1972-04-05 | 1973-04-04 | |
IT2259773A IT982698B (it) | 1972-04-05 | 1973-04-05 | Perfezionamento di un dispositi vo per il pregiso posizionamento di un organo mobile |
DE19732317159 DE2317159A1 (de) | 1972-04-05 | 1973-04-05 | Vorrichtung zum genauen einstellen eines beweglichen organs |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7211884A FR2179286A5 (US20080094685A1-20080424-C00004.png) | 1972-04-05 | 1972-04-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2179286A5 true FR2179286A5 (US20080094685A1-20080424-C00004.png) | 1973-11-16 |
Family
ID=9096347
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7211884A Expired FR2179286A5 (US20080094685A1-20080424-C00004.png) | 1972-04-05 | 1972-04-05 |
Country Status (7)
Families Citing this family (2)
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 |
-
1972
- 1972-04-05 FR FR7211884A patent/FR2179286A5/fr not_active Expired
-
1973
- 1973-03-09 HU HU73HO1550A patent/HU173214B/hu unknown
- 1973-03-09 NL NL7303394A patent/NL7303394A/xx not_active Application Discontinuation
- 1973-03-29 GB GB1521573A patent/GB1423192A/en not_active Expired
- 1973-04-04 JP JP3790173A patent/JPS4948314A/ja active Pending
- 1973-04-05 DE DE19732317159 patent/DE2317159A1/de not_active Withdrawn
- 1973-04-05 IT IT2259773A patent/IT982698B/it active
Also Published As
Publication number | Publication date |
---|---|
GB1423192A (en) | 1976-01-28 |
IT982698B (it) | 1974-10-21 |
HU173214B (hu) | 1979-03-28 |
NL7303394A (US20080094685A1-20080424-C00004.png) | 1973-10-09 |
DE2317159A1 (de) | 1973-10-11 |
JPS4948314A (US20080094685A1-20080424-C00004.png) | 1974-05-10 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |