GB8809997D0 - Filament driver for fluorescent lamps - Google Patents
Filament driver for fluorescent lampsInfo
- Publication number
- GB8809997D0 GB8809997D0 GB888809997A GB8809997A GB8809997D0 GB 8809997 D0 GB8809997 D0 GB 8809997D0 GB 888809997 A GB888809997 A GB 888809997A GB 8809997 A GB8809997 A GB 8809997A GB 8809997 D0 GB8809997 D0 GB 8809997D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- fluorescent lamps
- filament driver
- filament
- driver
- 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.)
- Granted
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
-
- 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
- H05B41/36—Controlling
- H05B41/38—Controlling the intensity of light
- H05B41/39—Controlling the intensity of light continuously
- H05B41/392—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor
- H05B41/3921—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations
- H05B41/3924—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations by phase control, e.g. using a triac
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AUPI213787 | 1987-05-26 | ||
| AU14389/88A AU593434B2 (en) | 1987-05-26 | 1988-04-07 | Filament driver for fluorescent lamps |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| GB8809997D0 true GB8809997D0 (en) | 1988-06-02 |
| GB2205206A GB2205206A (en) | 1988-11-30 |
| GB2205206B GB2205206B (en) | 1991-02-27 |
Family
ID=25615430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB8809997A Expired - Lifetime GB2205206B (en) | 1987-05-26 | 1988-04-27 | Filament driver for fluorescent lamps |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2205206B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PT2456285T (en) | 2010-11-17 | 2017-01-31 | Silergy Corp | A method of controlling an electronic ballast, an electronic ballast and a lighting controller |
-
1988
- 1988-04-27 GB GB8809997A patent/GB2205206B/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB2205206B (en) | 1991-02-27 |
| GB2205206A (en) | 1988-11-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19990427 |