ZA703081B - Control gear for hot catthode gas discharge lamps - Google Patents
Control gear for hot catthode gas discharge lampsInfo
- Publication number
- ZA703081B ZA703081B ZA703081A ZA703081A ZA703081B ZA 703081 B ZA703081 B ZA 703081B ZA 703081 A ZA703081 A ZA 703081A ZA 703081 A ZA703081 A ZA 703081A ZA 703081 B ZA703081 B ZA 703081B
- Authority
- ZA
- South Africa
- Prior art keywords
- catthode
- hot
- gas discharge
- control gear
- discharge lamps
- Prior art date
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 |
|---|---|---|---|
| GB24871/69A GB1284603A (en) | 1969-05-15 | 1969-05-15 | Control unit for hot cathode gas discharge lamps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA703081B true ZA703081B (en) | 1971-06-30 |
Family
ID=10218580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA703081A ZA703081B (en) | 1969-05-15 | 1970-05-06 | Control gear for hot catthode gas discharge lamps |
Country Status (7)
| Country | Link |
|---|---|
| BE (1) | BE750332A (en) |
| CH (1) | CH519288A (en) |
| DE (1) | DE2022764A1 (en) |
| GB (1) | GB1284603A (en) |
| NL (1) | NL7007152A (en) |
| SE (1) | SE360239B (en) |
| ZA (1) | ZA703081B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1106908A (en) | 1977-04-21 | 1981-08-11 | Zoltan L. Gyursanzsky | Two-wire ballast for fluorescent tube dimming |
-
1969
- 1969-05-15 GB GB24871/69A patent/GB1284603A/en not_active Expired
-
1970
- 1970-05-06 ZA ZA703081A patent/ZA703081B/en unknown
- 1970-05-09 DE DE19702022764 patent/DE2022764A1/en active Pending
- 1970-05-13 BE BE750332D patent/BE750332A/en unknown
- 1970-05-14 SE SE06610/70A patent/SE360239B/xx unknown
- 1970-05-15 NL NL7007152A patent/NL7007152A/xx unknown
- 1970-05-15 CH CH730370A patent/CH519288A/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| BE750332A (en) | 1970-11-13 |
| SE360239B (en) | 1973-09-17 |
| NL7007152A (en) | 1970-11-17 |
| CH519288A (en) | 1972-02-15 |
| DE2022764A1 (en) | 1970-11-26 |
| GB1284603A (en) | 1972-08-09 |
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