FR1224928A - Coupling device for current limiting and preheating for the lighting of luminescent lamps - Google Patents
Coupling device for current limiting and preheating for the lighting of luminescent lampsInfo
- Publication number
- FR1224928A FR1224928A FR786036A FR786036A FR1224928A FR 1224928 A FR1224928 A FR 1224928A FR 786036 A FR786036 A FR 786036A FR 786036 A FR786036 A FR 786036A FR 1224928 A FR1224928 A FR 1224928A
- Authority
- FR
- France
- Prior art keywords
- preheating
- lighting
- coupling device
- current limiting
- luminescent 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.)
- 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
- H05B41/391—Controlling the intensity of light continuously using saturable magnetic devices
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1224928X | 1958-02-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1224928A true FR1224928A (en) | 1960-06-28 |
Family
ID=7734416
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR786036A Expired FR1224928A (en) | 1958-02-21 | 1959-02-06 | Coupling device for current limiting and preheating for the lighting of luminescent lamps |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1224928A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3434007A (en) * | 1966-10-24 | 1969-03-18 | Automatic Displays Inc | Electrical control means for a changeable exhibitor |
-
1959
- 1959-02-06 FR FR786036A patent/FR1224928A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3434007A (en) * | 1966-10-24 | 1969-03-18 | Automatic Displays Inc | Electrical control means for a changeable exhibitor |
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