BE494642A - - Google Patents
Info
- Publication number
- BE494642A BE494642A BE494642DA BE494642A BE 494642 A BE494642 A BE 494642A BE 494642D A BE494642D A BE 494642DA BE 494642 A BE494642 A BE 494642A
- Authority
- BE
- Belgium
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
- G05F1/52—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using discharge tubes in series with the load as final control devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
- H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
- H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
- H04N3/18—Generation of supply voltages, in combination with electron beam deflecting
- H04N3/185—Maintaining dc voltage constant
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Dc-Dc Converters (AREA)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL698241X | 1949-03-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE494642A true BE494642A (en) |
Family
ID=19808943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE494642D BE494642A (en) | 1949-03-22 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE494642A (en) |
| DE (1) | DE965251C (en) |
| FR (1) | FR1014837A (en) |
| GB (1) | GB698241A (en) |
| NL (1) | NL81593C (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE327122C (en) * | 1920-10-07 | C H F Mueller Spezialfabrik Fu | Device for extracting phase parts from an alternating current | |
| DE598600C (en) * | 1928-07-13 | 1934-06-14 | Aeg | Device for regulating the direct current power of arc rectifiers |
| DE716233C (en) * | 1931-04-29 | 1942-01-15 | Aeg | Device for regulating the direct current power of arc rectifiers with control electrodes |
| DE662277C (en) * | 1934-01-18 | 1938-07-09 | Aeg | Arrangement for reducing the torque-dependent change in speed of direct current motors fed by grid-controlled rectifiers |
-
0
- NL NL81593D patent/NL81593C/xx active
- BE BE494642D patent/BE494642A/xx unknown
-
1950
- 1950-03-17 GB GB6727/50A patent/GB698241A/en not_active Expired
- 1950-03-19 DE DEN636A patent/DE965251C/en not_active Expired
- 1950-03-20 FR FR1014837D patent/FR1014837A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE965251C (en) | 1957-06-06 |
| FR1014837A (en) | 1952-08-22 |
| NL81593C (en) | |
| GB698241A (en) | 1953-10-14 |