FR962871A - - Google Patents
Info
- Publication number
- FR962871A FR962871A FR962871DA FR962871A FR 962871 A FR962871 A FR 962871A FR 962871D A FR962871D A FR 962871DA FR 962871 A FR962871 A FR 962871A
- 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
- H05B41/20—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 |
---|---|---|---|
US962871XA | 1947-02-28 | 1947-02-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR962871A true FR962871A (fr) | 1950-06-22 |
Family
ID=1564090
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR962871D Expired FR962871A (fr) | 1947-02-28 | 1948-02-27 | |
FR74405D Expired FR74405E (fr) | 1947-02-28 | 1950-11-22 | Perfectionnements aux circuits d'amorçage et de fonctionnement des tubes à décharge |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR74405D Expired FR74405E (fr) | 1947-02-28 | 1950-11-22 | Perfectionnements aux circuits d'amorçage et de fonctionnement des tubes à décharge |
Country Status (1)
Country | Link |
---|---|
FR (2) | FR962871A (fr) |
-
1948
- 1948-02-27 FR FR962871D patent/FR962871A/fr not_active Expired
-
1950
- 1950-11-22 FR FR74405D patent/FR74405E/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR74405E (fr) | 1961-05-04 |