SE366863B - - Google Patents
Info
- Publication number
- SE366863B SE366863B SE16819/71A SE1681971A SE366863B SE 366863 B SE366863 B SE 366863B SE 16819/71 A SE16819/71 A SE 16819/71A SE 1681971 A SE1681971 A SE 1681971A SE 366863 B SE366863 B SE 366863B
- Authority
- SE
- Sweden
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
- G05D3/1418—Control of position or direction using feedback using an analogue comparing device with ac amplifier chain
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Power Engineering (AREA)
- Control Of Position Or Direction (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Moving Of The Head To Find And Align With The Track (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7047579A FR2120410A5 (xx) | 1970-12-31 | 1970-12-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE366863B true SE366863B (xx) | 1974-05-06 |
Family
ID=9066708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE16819/71A SE366863B (xx) | 1970-12-31 | 1971-12-29 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3988657A (xx) |
| AR (1) | AR192426A1 (xx) |
| BE (1) | BE777440A (xx) |
| DE (1) | DE2165769A1 (xx) |
| FR (1) | FR2120410A5 (xx) |
| GB (1) | GB1373519A (xx) |
| IT (1) | IT944470B (xx) |
| NL (1) | NL7117626A (xx) |
| SE (1) | SE366863B (xx) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6399756A (ja) * | 1986-10-15 | 1988-05-02 | Hitachi Ltd | 磁気デイスク装置のヘツド位置決めアクチユエ−タ |
| CN110333740B (zh) * | 2019-06-10 | 2020-10-27 | 中联重科股份有限公司 | 工程机械自动就位方法、装置、系统以及工程机械 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2947929A (en) * | 1955-12-23 | 1960-08-02 | North American Aviation Inc | Digital-analog servo circuit |
| US3117263A (en) * | 1957-04-30 | 1964-01-07 | Emi Ltd | Automatic position control devices |
| US3105963A (en) * | 1959-02-27 | 1963-10-01 | Ibm | Transducer positioning system |
| US3165680A (en) * | 1960-09-06 | 1965-01-12 | Westinghouse Electric Corp | Digital position control servosystem |
| US3512060A (en) * | 1967-07-18 | 1970-05-12 | Ex Cell O Corp | Machine tool control system |
| US3673584A (en) * | 1971-03-08 | 1972-06-27 | Inductosyn Corp | Position-measuring transformer having end-detecting windings useful for positioning a magnetic head of a disc drive system |
-
1970
- 1970-12-31 FR FR7047579A patent/FR2120410A5/fr not_active Expired
-
1971
- 1971-12-22 NL NL7117626A patent/NL7117626A/xx not_active Application Discontinuation
- 1971-12-29 BE BE777440A patent/BE777440A/xx unknown
- 1971-12-29 IT IT33065/71A patent/IT944470B/it active
- 1971-12-29 AR AR239864A patent/AR192426A1/es active
- 1971-12-29 SE SE16819/71A patent/SE366863B/xx unknown
- 1971-12-30 DE DE19712165769 patent/DE2165769A1/de active Pending
- 1971-12-30 US US05/215,967 patent/US3988657A/en not_active Expired - Lifetime
- 1971-12-30 GB GB6083771A patent/GB1373519A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AR192426A1 (es) | 1973-02-21 |
| FR2120410A5 (xx) | 1972-08-18 |
| NL7117626A (xx) | 1972-07-04 |
| GB1373519A (en) | 1974-11-13 |
| DE2165769A1 (de) | 1972-07-20 |
| IT944470B (it) | 1973-04-20 |
| BE777440A (fr) | 1972-04-17 |
| US3988657A (en) | 1976-10-26 |