JPS5148053B2 - - Google Patents
Info
- Publication number
- JPS5148053B2 JPS5148053B2 JP9296173A JP9296173A JPS5148053B2 JP S5148053 B2 JPS5148053 B2 JP S5148053B2 JP 9296173 A JP9296173 A JP 9296173A JP 9296173 A JP9296173 A JP 9296173A JP S5148053 B2 JPS5148053 B2 JP S5148053B2
- Authority
- JP
- Japan
- 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
- 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
- G05D3/14—Control of position or direction using feedback using an analogue comparing device
- G05D3/1436—Control of position or direction using feedback using an analogue comparing device with 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
- 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
- G11B5/5552—Track change, selection or acquisition by displacement of the head across disk tracks using fine positioning means for track acquisition separate from the coarse (e.g. track changing) positioning means
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- 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
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/42—Servomotor, servo controller kind till VSS
- G05B2219/42171—Velocity profile, variable gain, multiplication factors, rom ram
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Moving Of The Head To Find And Align With The Track (AREA)
- Feedback Control In General (AREA)
- Moving Of Head For Track Selection And Changing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US28248772A | 1972-08-21 | 1972-08-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5036105A JPS5036105A (es) | 1975-04-05 |
| JPS5148053B2 true JPS5148053B2 (es) | 1976-12-18 |
Family
ID=23081724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9296173A Expired JPS5148053B2 (es) | 1972-08-21 | 1973-08-21 |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5148053B2 (es) |
| CA (1) | CA995300A (es) |
| DE (1) | DE2326661A1 (es) |
| FR (1) | FR2197193B1 (es) |
| GB (1) | GB1423706A (es) |
| IT (1) | IT998403B (es) |
| NL (1) | NL7311053A (es) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1488038A (en) * | 1974-12-10 | 1977-10-05 | Ibm | Data storage apparatus |
| FI108262B (fi) | 1998-01-23 | 2001-12-14 | Metso Paper Automation Oy | Menetelmä toimilaitteen asemoimiseksi |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1127992A (fr) * | 1955-06-16 | 1956-12-28 | Servomecanismes Electroniques | Perfectionnements aux servomécanismes |
| GB1114676A (en) * | 1963-12-23 | 1968-05-22 | English Electric Co Ltd | Control system for an electrically-operated actuator |
| BE724125A (fr) * | 1968-11-19 | 1969-05-19 | Acec | Dispositif de commande de position |
| DE2034933A1 (de) * | 1970-07-14 | 1972-01-27 | Siemens Ag | Plattenspeicher |
| GB1319227A (en) * | 1971-02-15 | 1973-06-06 | Ibm | Movement control system |
-
1973
- 1973-05-02 CA CA170,213A patent/CA995300A/en not_active Expired
- 1973-05-11 GB GB2254773A patent/GB1423706A/en not_active Expired
- 1973-05-25 DE DE19732326661 patent/DE2326661A1/de active Pending
- 1973-08-09 NL NL7311053A patent/NL7311053A/xx not_active Application Discontinuation
- 1973-08-21 JP JP9296173A patent/JPS5148053B2/ja not_active Expired
- 1973-08-21 IT IT2802973A patent/IT998403B/it active
- 1973-08-21 FR FR7330369A patent/FR2197193B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2197193B1 (es) | 1976-11-19 |
| FR2197193A1 (es) | 1974-03-22 |
| NL7311053A (es) | 1974-02-25 |
| GB1423706A (en) | 1976-02-04 |
| DE2326661A1 (de) | 1974-03-21 |
| CA995300A (en) | 1976-08-17 |
| JPS5036105A (es) | 1975-04-05 |
| IT998403B (it) | 1976-01-20 |