FR39053E - Improvements to discharge tubes - Google Patents
Improvements to discharge tubesInfo
- Publication number
- FR39053E FR39053E FR39053DA FR39053E FR 39053 E FR39053 E FR 39053E FR 39053D A FR39053D A FR 39053DA FR 39053 E FR39053 E FR 39053E
- Authority
- FR
- France
- Prior art keywords
- discharge tubes
- tubes
- discharge
- Prior art date
- 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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/16—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies
- H05B41/18—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having a starting switch
- H05B41/19—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having a starting switch for lamps having an auxiliary starting electrode
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR39053T | 1930-09-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR39053E true FR39053E (en) | 1931-08-26 |
Family
ID=8675491
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR39053D Expired FR39053E (en) | 1930-09-12 | 1930-09-12 | Improvements to discharge tubes |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR39053E (en) |
-
1930
- 1930-09-12 FR FR39053D patent/FR39053E/en not_active Expired
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR723431A (en) | Tube improvements | |
FR716475A (en) | Improvements to metal tubes | |
FR688985A (en) | Improvements to discharge tubes | |
FR707965A (en) | Improvements made to electric discharge tubes | |
FR718983A (en) | Improvements made to electric discharge tubes | |
FR727076A (en) | Improvements to discharge tubes | |
FR727680A (en) | Improvements to discharge tubes | |
FR715188A (en) | Metal-cased discharge tube | |
FR707770A (en) | Improvements to discharge tubes | |
FR725479A (en) | Gas discharge tube | |
FR723374A (en) | Electric discharge tube | |
FR717583A (en) | Electric discharge tube | |
FR719115A (en) | Discharge tube | |
FR39597E (en) | Improvements to discharge tubes | |
FR721436A (en) | Improvements to discharge tubes | |
FR39053E (en) | Improvements to discharge tubes | |
FR724709A (en) | Improvements made to electric discharge tubes | |
FR727891A (en) | Electric discharge tube | |
FR710937A (en) | Improvements to glow discharge tubes | |
FR712097A (en) | Improvements made to electric discharge tubes | |
FR739425A (en) | Improvements to discharge tubes | |
FR40081E (en) | Improvements to discharge tubes | |
FR715232A (en) | Improvements to heated cathode discharge tubes | |
FR713894A (en) | Improvements made to glow discharge tubes | |
FR694144A (en) | Improvements to discharge tubes |