FR983588A - Feeding device for hot cathode fluorescent tubes - Google Patents
Feeding device for hot cathode fluorescent tubesInfo
- Publication number
- FR983588A FR983588A FR983588DA FR983588A FR 983588 A FR983588 A FR 983588A FR 983588D A FR983588D A FR 983588DA FR 983588 A FR983588 A FR 983588A
- Authority
- FR
- France
- Prior art keywords
- feeding device
- cathode fluorescent
- fluorescent tubes
- hot cathode
- hot
- 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 |
|---|---|---|---|
| FR983588T | 1949-03-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR983588A true FR983588A (en) | 1951-06-25 |
Family
ID=9536172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR983588D Expired FR983588A (en) | 1949-03-23 | 1949-03-23 | Feeding device for hot cathode fluorescent tubes |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR983588A (en) |
-
1949
- 1949-03-23 FR FR983588D patent/FR983588A/en not_active Expired
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