FR1057520A - Perfectionnement aux tubes fluorescents - Google Patents
Perfectionnement aux tubes fluorescentsInfo
- Publication number
- FR1057520A FR1057520A FR1057520DA FR1057520A FR 1057520 A FR1057520 A FR 1057520A FR 1057520D A FR1057520D A FR 1057520DA FR 1057520 A FR1057520 A FR 1057520A
- Authority
- FR
- France
- Prior art keywords
- improvement
- fluorescent tubes
- fluorescent
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1057520T | 1952-05-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1057520A true FR1057520A (fr) | 1954-03-09 |
Family
ID=9598017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1057520D Expired FR1057520A (fr) | 1952-05-29 | 1952-05-29 | Perfectionnement aux tubes fluorescents |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR1057520A (fr) |
-
1952
- 1952-05-29 FR FR1057520D patent/FR1057520A/fr not_active Expired
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