DE2831336C2 - - Google Patents
Info
- Publication number
- DE2831336C2 DE2831336C2 DE2831336A DE2831336A DE2831336C2 DE 2831336 C2 DE2831336 C2 DE 2831336C2 DE 2831336 A DE2831336 A DE 2831336A DE 2831336 A DE2831336 A DE 2831336A DE 2831336 C2 DE2831336 C2 DE 2831336C2
- Authority
- DE
- Germany
- 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
- H05B41/36—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
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 |
|---|---|
| DE2831336A1 DE2831336A1 (de) | 1979-04-12 |
| DE2831336C2 true DE2831336C2 (de) | 1987-04-30 |
Family
ID=4378441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19782831336 Granted DE2831336A1 (de) | 1977-09-30 | 1978-07-17 | Verfahren und einrichtung zur helligkeitssteuerung von gasentladungslampen |
Country Status (6)
| Country | Link |
|---|---|
| AT (1) | AT375002B (de) |
| CH (1) | CH620562A5 (de) |
| DE (1) | DE2831336A1 (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 DE19782831336 patent/DE2831336A1/de active Granted
- 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 |
| CH620562A5 (en) | 1980-11-28 |
| DE2831336A1 (de) | 1979-04-12 |
| NO782818L (no) | 1979-04-02 |
| SE435668B (sv) | 1984-10-08 |
| ATA555978A (de) | 1983-10-15 |
| AT375002B (de) | 1984-06-25 |
| SE7810124L (sv) | 1979-03-31 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8363 | Opposition against the patent | ||
| 8365 | Fully valid after opposition proceedings | ||
| 8339 | Ceased/non-payment of the annual fee |