BE470338A - - Google Patents
Info
- Publication number
- BE470338A BE470338A BE470338DA BE470338A BE 470338 A BE470338 A BE 470338A BE 470338D A BE470338D A BE 470338DA BE 470338 A BE470338 A BE 470338A
- 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 currentÂ
- G05F1/12—Regulating voltage or current wherein the variable actually regulated by the final control device is AC
- G05F1/40—Regulating voltage or current wherein the variable actually regulated by the final control device is AC using discharge tubes or semiconductor devices as final control devices
- G05F1/42—Regulating voltage or current wherein the variable actually regulated by the final control device is AC using discharge tubes or semiconductor devices as final control devices discharge tubes only
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/02—Circuits specially adapted for the generation of grid-control or igniter-control voltages for discharge tubes incorporated in static converters
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0072—Disassembly or repair of discharge tubes
- H01J2893/0073—Discharge tubes with liquid poolcathodes; constructional details
- H01J2893/0074—Cathodic cups; Screens; Reflectors; Filters; Windows; Protection against mercury deposition; Returning condensed electrode material to the cathodic cup; Liquid electrode level control
- H01J2893/0087—Igniting means; Cathode spot maintaining or extinguishing means
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Ac-Ac Conversion (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US258700XA | 1944-04-14 | 1944-04-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE470338A true BE470338A (OSRAM) | 1947-02-28 |
Family
ID=21828495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE470338D BE470338A (OSRAM) | 1944-04-14 | 1947-01-06 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE470338A (OSRAM) |
| CH (1) | CH258700A (OSRAM) |
| FR (1) | FR920301A (OSRAM) |
| GB (1) | GB602693A (OSRAM) |
| NL (1) | NL66673C (OSRAM) |
-
1945
- 1945-11-09 GB GB29962/45A patent/GB602693A/en not_active Expired
- 1945-11-27 NL NL122173A patent/NL66673C/xx active
- 1945-12-07 CH CH258700D patent/CH258700A/fr unknown
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1946
- 1946-01-17 FR FR920301D patent/FR920301A/fr not_active Expired
-
1947
- 1947-01-06 BE BE470338D patent/BE470338A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB602693A (en) | 1948-06-01 |
| FR920301A (fr) | 1947-04-03 |
| CH258700A (fr) | 1948-12-15 |
| NL66673C (OSRAM) | 1950-11-15 |