FR993620A - Improvements to discharge lamp circuits - Google Patents
Improvements to discharge lamp circuitsInfo
- Publication number
- FR993620A FR993620A FR993620DA FR993620A FR 993620 A FR993620 A FR 993620A FR 993620D A FR993620D A FR 993620DA FR 993620 A FR993620 A FR 993620A
- Authority
- FR
- France
- Prior art keywords
- discharge lamp
- lamp circuits
- circuits
- discharge
- lamp
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB993620X | 1948-08-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR993620A true FR993620A (en) | 1951-11-05 |
Family
ID=10867215
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR993620D Expired FR993620A (en) | 1948-08-25 | 1949-08-19 | Improvements to discharge lamp circuits |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR993620A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1009306B (en) * | 1951-09-01 | 1957-05-29 | Philips Nv | Arrangement with two gas and / or vapor discharge tubes connected in series with one another and with an inductive impedance |
FR2426382A1 (en) * | 1978-05-17 | 1979-12-14 | Lesens Entr Elect L | Discharge lamp stability circuit - has series inductance shunted by switch and is fed from auto-transformer |
-
1949
- 1949-08-19 FR FR993620D patent/FR993620A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1009306B (en) * | 1951-09-01 | 1957-05-29 | Philips Nv | Arrangement with two gas and / or vapor discharge tubes connected in series with one another and with an inductive impedance |
FR2426382A1 (en) * | 1978-05-17 | 1979-12-14 | Lesens Entr Elect L | Discharge lamp stability circuit - has series inductance shunted by switch and is fed from auto-transformer |
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