FR57214E - - Google Patents
Info
- Publication number
- FR57214E FR57214E FR57214DA FR57214E FR 57214 E FR57214 E FR 57214E FR 57214D A FR57214D A FR 57214DA FR 57214 E FR57214 E FR 57214E
- Authority
- FR
- France
- 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
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR57214E true FR57214E (it) | 1952-12-23 |
Family
ID=1363575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR57214D Expired FR57214E (it) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR57214E (it) |
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0
- FR FR57214D patent/FR57214E/fr not_active Expired