FR774136A - - Google Patents
Info
- Publication number
- FR774136A FR774136A FR774136DA FR774136A FR 774136 A FR774136 A FR 774136A FR 774136D A FR774136D A FR 774136DA FR 774136 A FR774136 A FR 774136A
- Authority
- FR
- France
- 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
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR774136A true FR774136A (xx) | 1934-11-29 |
Family
ID=1552131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR774136D Expired FR774136A (xx) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR774136A (xx) |
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0
- FR FR774136D patent/FR774136A/fr not_active Expired