HUT46832A - Circuit arrangement for brightness control of low-pressure discharge lamps - Google Patents
Circuit arrangement for brightness control of low-pressure discharge lampsInfo
- Publication number
- HUT46832A HUT46832A HU208588A HU208588A HUT46832A HU T46832 A HUT46832 A HU T46832A HU 208588 A HU208588 A HU 208588A HU 208588 A HU208588 A HU 208588A HU T46832 A HUT46832 A HU T46832A
- Authority
- HU
- Hungary
- Prior art keywords
- low
- circuit arrangement
- pressure discharge
- discharge lamps
- brightness control
- 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
-
- 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)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS294487 | 1987-04-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| HUT46832A true HUT46832A (en) | 1988-11-28 |
Family
ID=5368075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HU208588A HUT46832A (en) | 1987-04-25 | 1988-04-25 | Circuit arrangement for brightness control of low-pressure discharge lamps |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE3812066A1 (en) |
| HU (1) | HUT46832A (en) |
| NL (1) | NL8801051A (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2702490A1 (en) * | 1977-01-21 | 1978-07-27 | Insta Elektro Gmbh & Co Kg | Brightness control for fluorescent lamps - has parallel switch with diac and triac controlling operation time and heating current |
-
1988
- 1988-04-12 DE DE19883812066 patent/DE3812066A1/en not_active Ceased
- 1988-04-22 NL NL8801051A patent/NL8801051A/en not_active Application Discontinuation
- 1988-04-25 HU HU208588A patent/HUT46832A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL8801051A (en) | 1988-11-16 |
| DE3812066A1 (en) | 1988-11-03 |
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