FR991900A - Ballast pour tubes à décharge - Google Patents
Ballast pour tubes à déchargeInfo
- Publication number
- FR991900A FR991900A FR991900DA FR991900A FR 991900 A FR991900 A FR 991900A FR 991900D A FR991900D A FR 991900DA FR 991900 A FR991900 A FR 991900A
- Authority
- FR
- France
- Prior art keywords
- ballast
- discharge tubes
- tubes
- discharge
- 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 |
|---|---|---|---|
| FR991900T | 1949-05-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR991900A true FR991900A (fr) | 1951-10-11 |
Family
ID=9554376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR991900D Expired FR991900A (fr) | 1949-05-24 | 1949-05-24 | Ballast pour tubes à décharge |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR991900A (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1009306B (de) * | 1951-09-01 | 1957-05-29 | Philips Nv | Anordnung mit zwei miteinander und mit einer induktiven Impedanz in Reihe geschalteten Gas- und/oder Dampfentladungsroehren |
-
1949
- 1949-05-24 FR FR991900D patent/FR991900A/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1009306B (de) * | 1951-09-01 | 1957-05-29 | Philips Nv | Anordnung mit zwei miteinander und mit einer induktiven Impedanz in Reihe geschalteten Gas- und/oder Dampfentladungsroehren |
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