AU469225B2 - Improvements in ballast circuits for discharge lamps - Google Patents
Improvements in ballast circuits for discharge lampsInfo
- Publication number
- AU469225B2 AU469225B2 AU44820/72A AU4482072A AU469225B2 AU 469225 B2 AU469225 B2 AU 469225B2 AU 44820/72 A AU44820/72 A AU 44820/72A AU 4482072 A AU4482072 A AU 4482072A AU 469225 B2 AU469225 B2 AU 469225B2
- Authority
- AU
- Australia
- Prior art keywords
- discharge lamps
- ballast circuits
- ballast
- circuits
- lamps
- 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
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3406471 | 1971-07-20 | ||
| GBGB34064/71 | 1971-07-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU4482072A AU4482072A (en) | 1974-01-24 |
| AU469225B2 true AU469225B2 (en) | 1976-02-05 |
Family
ID=10360929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU44820/72A Expired AU469225B2 (en) | 1971-07-20 | 1972-07-20 | Improvements in ballast circuits for discharge lamps |
Country Status (4)
| Country | Link |
|---|---|
| AU (1) | AU469225B2 (en) |
| GB (1) | GB1354723A (en) |
| NL (1) | NL162288C (en) |
| ZA (1) | ZA724914B (en) |
-
1971
- 1971-07-20 GB GB3406471A patent/GB1354723A/en not_active Expired
-
1972
- 1972-07-17 ZA ZA724914A patent/ZA724914B/en unknown
- 1972-07-19 NL NL7209947.A patent/NL162288C/en not_active IP Right Cessation
- 1972-07-20 AU AU44820/72A patent/AU469225B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL7209947A (en) | 1973-01-23 |
| AU4482072A (en) | 1974-01-24 |
| NL162288B (en) | 1979-11-15 |
| NL162288C (en) | 1980-04-15 |
| ZA724914B (en) | 1973-04-25 |
| GB1354723A (en) | 1974-06-05 |
| DE2235595A1 (en) | 1973-02-01 |
| DE2235595B2 (en) | 1976-12-02 |
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