FR1138989A - Tube à décharge luminescente à cathode froide - Google Patents
Tube à décharge luminescente à cathode froideInfo
- Publication number
- FR1138989A FR1138989A FR1138989DA FR1138989A FR 1138989 A FR1138989 A FR 1138989A FR 1138989D A FR1138989D A FR 1138989DA FR 1138989 A FR1138989 A FR 1138989A
- Authority
- FR
- France
- Prior art keywords
- discharge tube
- cold cathode
- glow discharge
- cathode glow
- cold
- 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
- H05B41/16—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies
- H05B41/20—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having no starting switch
- H05B41/22—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having no starting switch for lamps having an auxiliary starting electrode
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1138989X | 1954-12-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1138989A true FR1138989A (fr) | 1957-06-24 |
Family
ID=10877014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1138989D Expired FR1138989A (fr) | 1954-12-21 | 1955-12-19 | Tube à décharge luminescente à cathode froide |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR1138989A (fr) |
-
1955
- 1955-12-19 FR FR1138989D patent/FR1138989A/fr not_active Expired
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