FR708856A - Dispositif d'allumage de tubes électriques luminescents - Google Patents
Dispositif d'allumage de tubes électriques luminescentsInfo
- Publication number
- FR708856A FR708856A FR708856DA FR708856A FR 708856 A FR708856 A FR 708856A FR 708856D A FR708856D A FR 708856DA FR 708856 A FR708856 A FR 708856A
- Authority
- FR
- France
- Prior art keywords
- lighting device
- electric tubes
- luminescent electric
- luminescent
- tubes
- 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 |
|---|---|---|---|
| DE708856X | 1930-03-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR708856A true FR708856A (fr) | 1931-07-29 |
Family
ID=6617714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR708856D Expired FR708856A (fr) | 1930-03-05 | 1931-01-05 | Dispositif d'allumage de tubes électriques luminescents |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR708856A (fr) |
-
1931
- 1931-01-05 FR FR708856D patent/FR708856A/fr not_active Expired
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