FR947303A - Improvements to the device for initiating and controlling discharge tubes - Google Patents
Improvements to the device for initiating and controlling discharge tubesInfo
- Publication number
- FR947303A FR947303A FR947303DA FR947303A FR 947303 A FR947303 A FR 947303A FR 947303D A FR947303D A FR 947303DA FR 947303 A FR947303 A FR 947303A
- Authority
- FR
- France
- Prior art keywords
- initiating
- discharge tubes
- controlling discharge
- controlling
- 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
- H05B41/20—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 |
---|---|---|---|
US947303XA | 1942-04-21 | 1942-04-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR947303A true FR947303A (en) | 1949-06-29 |
Family
ID=22246818
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR947303D Expired FR947303A (en) | 1942-04-21 | 1947-05-29 | Improvements to the device for initiating and controlling discharge tubes |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR947303A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE960912C (en) * | 1952-07-29 | 1957-03-28 | Siemens Ag | Device for operating gas discharge paths, in particular fluorescent lamps, connected in series |
-
1947
- 1947-05-29 FR FR947303D patent/FR947303A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE960912C (en) * | 1952-07-29 | 1957-03-28 | Siemens Ag | Device for operating gas discharge paths, in particular fluorescent lamps, connected in series |
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