BE431868A - - Google Patents
Info
- Publication number
- BE431868A BE431868A BE431868DA BE431868A BE 431868 A BE431868 A BE 431868A BE 431868D A BE431868D A BE 431868DA BE 431868 A BE431868 A BE 431868A
- Authority
- BE
- Belgium
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
- G05D3/1481—Control of position or direction using feedback using an analogue comparing device with discrete position sensor
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
- H03J1/18—Control by auxiliary power
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
- H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
- H03J5/14—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings operated by auxiliary power
- H03J5/146—Settings desired by a switch controlled together with the tuning member and which stops the control as soon as a desired position is reached
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Control Of Position Or Direction (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1937N0041484 DE686190C (de) | 1937-12-29 | 1937-12-29 | bestimmter Stationen mittels eines Motors selbsttaetig abstimmbar ist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE431868A true BE431868A (de) | 1939-01-31 |
Family
ID=5791858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE431868D BE431868A (de) | 1937-12-29 | 1938-12-27 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2251054A (de) |
| BE (1) | BE431868A (de) |
| CH (1) | CH206319A (de) |
| DE (1) | DE686190C (de) |
| FR (1) | FR848058A (de) |
| GB (1) | GB507305A (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2454832A (en) * | 1946-02-20 | 1948-11-30 | Charles L Paulus | Electric servo |
| US2720619A (en) * | 1949-01-11 | 1955-10-11 | Northrop Aircraft Inc | Automatic resetting positioning control |
| DE1158614B (de) * | 1957-05-01 | 1963-12-05 | Gen Electric | Rastschalter mit Motorantrieb |
| US3493745A (en) * | 1966-06-16 | 1970-02-03 | Picker Corp | Apparatus for preventing collision between two electrically conductive and relatively movable servo-controlled elements |
-
1937
- 1937-12-29 DE DE1937N0041484 patent/DE686190C/de not_active Expired
-
1938
- 1938-12-16 US US246088A patent/US2251054A/en not_active Expired - Lifetime
- 1938-12-23 GB GB37459/38A patent/GB507305A/en not_active Expired
- 1938-12-27 FR FR848058D patent/FR848058A/fr not_active Expired
- 1938-12-27 CH CH206319D patent/CH206319A/de unknown
- 1938-12-27 BE BE431868D patent/BE431868A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH206319A (de) | 1939-07-31 |
| US2251054A (en) | 1941-07-29 |
| GB507305A (en) | 1939-06-13 |
| FR848058A (fr) | 1939-10-23 |
| DE686190C (de) | 1940-01-04 |