FR918224A - Improvements to discharge tube equipment - Google Patents
Improvements to discharge tube equipmentInfo
- Publication number
- FR918224A FR918224A FR918224DA FR918224A FR 918224 A FR918224 A FR 918224A FR 918224D A FR918224D A FR 918224DA FR 918224 A FR918224 A FR 918224A
- Authority
- FR
- France
- Prior art keywords
- discharge tube
- tube equipment
- equipment
- discharge
- tube
- 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
- H05B41/20—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 no starting switch
- H05B41/23—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 no starting switch for lamps not having an auxiliary starting electrode
- H05B41/232—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 no starting switch for lamps not having an auxiliary starting electrode for low-pressure lamps
- H05B41/2325—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 no starting switch for lamps not having an auxiliary starting electrode for low-pressure lamps provided with pre-heating electrodes
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR918224T | 1945-07-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR918224A true FR918224A (en) | 1947-02-03 |
Family
ID=9424268
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR918224D Expired FR918224A (en) | 1945-07-31 | 1945-07-31 | Improvements to discharge tube equipment |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR918224A (en) |
-
1945
- 1945-07-31 FR FR918224D patent/FR918224A/en not_active Expired
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