SE435668B - Forfarande och anordning for styrning av ljusstyrkan hos gasurladdningslampor - Google Patents
Forfarande och anordning for styrning av ljusstyrkan hos gasurladdningslamporInfo
- Publication number
- SE435668B SE435668B SE7810124A SE7810124A SE435668B SE 435668 B SE435668 B SE 435668B SE 7810124 A SE7810124 A SE 7810124A SE 7810124 A SE7810124 A SE 7810124A SE 435668 B SE435668 B SE 435668B
- Authority
- SE
- Sweden
- Prior art keywords
- intersection
- supply
- reference signal
- clock signal
- phase
- 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
- H05B41/36—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 Arrangements For Discharge Lamps (AREA)
- Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1195177A CH620562A5 (en) | 1977-09-30 | 1977-09-30 | Method and device for light brightness control of a gas discharge lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7810124L SE7810124L (sv) | 1979-03-31 |
| SE435668B true SE435668B (sv) | 1984-10-08 |
Family
ID=4378441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7810124A SE435668B (sv) | 1977-09-30 | 1978-09-27 | Forfarande och anordning for styrning av ljusstyrkan hos gasurladdningslampor |
Country Status (6)
| Country | Link |
|---|---|
| AT (1) | AT375002B (de) |
| CH (1) | CH620562A5 (de) |
| DE (1) | DE2831336C2 (de) |
| NL (1) | NL7808573A (de) |
| NO (1) | NO782818L (de) |
| SE (1) | SE435668B (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6097599A (ja) * | 1983-11-02 | 1985-05-31 | アレツクス工業株式会社 | 放電灯調光装置 |
-
1977
- 1977-09-30 CH CH1195177A patent/CH620562A5/de not_active IP Right Cessation
-
1978
- 1978-07-17 DE DE2831336A patent/DE2831336C2/de not_active Expired
- 1978-07-31 AT AT0555978A patent/AT375002B/de not_active IP Right Cessation
- 1978-08-18 NO NO782818A patent/NO782818L/no unknown
- 1978-08-18 NL NL7808573A patent/NL7808573A/xx not_active Application Discontinuation
- 1978-09-27 SE SE7810124A patent/SE435668B/sv not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| NL7808573A (nl) | 1979-04-03 |
| NO782818L (no) | 1979-04-02 |
| SE7810124L (sv) | 1979-03-31 |
| ATA555978A (de) | 1983-10-15 |
| CH620562A5 (en) | 1980-11-28 |
| DE2831336C2 (de) | 1987-04-30 |
| AT375002B (de) | 1984-06-25 |
| DE2831336A1 (de) | 1979-04-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NAL | Patent in force |
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| NUG | Patent has lapsed |
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