FR1413359A - Improvements in the construction of fluorescent lamps - Google Patents
Improvements in the construction of fluorescent lampsInfo
- Publication number
- FR1413359A FR1413359A FR992244A FR992244A FR1413359A FR 1413359 A FR1413359 A FR 1413359A FR 992244 A FR992244 A FR 992244A FR 992244 A FR992244 A FR 992244A FR 1413359 A FR1413359 A FR 1413359A
- Authority
- FR
- France
- Prior art keywords
- construction
- fluorescent lamps
- lamps
- fluorescent
- 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
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/30—Vessels; Containers
- H01J61/35—Vessels; Containers provided with coatings on the walls thereof; Selection of materials for the coatings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/24—Means for obtaining or maintaining the desired pressure within the vessel
-
- 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
- H05B41/23—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 not having an auxiliary starting electrode
- H05B41/232—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 not having an auxiliary starting electrode for low-pressure lamps
- H05B41/2325—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 not having an auxiliary starting electrode for low-pressure lamps provided with pre-heating electrodes
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR992244A FR1413359A (en) | 1964-10-22 | 1964-10-22 | Improvements in the construction of fluorescent lamps |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR992244A FR1413359A (en) | 1964-10-22 | 1964-10-22 | Improvements in the construction of fluorescent lamps |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1413359A true FR1413359A (en) | 1965-10-08 |
Family
ID=8840829
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR992244A Expired FR1413359A (en) | 1964-10-22 | 1964-10-22 | Improvements in the construction of fluorescent lamps |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1413359A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0270004A2 (en) * | 1986-12-01 | 1988-06-08 | Kabushiki Kaisha Toshiba | Gas discharge lamp and apparatus utilizing the same |
EP0449639A2 (en) * | 1990-03-29 | 1991-10-02 | Hubbell Incorporated | Biasing system for reducing ion loss in lamps |
US5235256A (en) * | 1990-03-29 | 1993-08-10 | Hubbell Incorporated | Biasing system for controlling chemical concentration in lamps |
-
1964
- 1964-10-22 FR FR992244A patent/FR1413359A/en not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0270004A2 (en) * | 1986-12-01 | 1988-06-08 | Kabushiki Kaisha Toshiba | Gas discharge lamp and apparatus utilizing the same |
EP0270004A3 (en) * | 1986-12-01 | 1990-03-07 | Kabushiki Kaisha Toshiba | Gas discharge lamp and apparatus utilizing the same |
EP0449639A2 (en) * | 1990-03-29 | 1991-10-02 | Hubbell Incorporated | Biasing system for reducing ion loss in lamps |
EP0449639A3 (en) * | 1990-03-29 | 1992-05-06 | Hubbell Incorporated | Biasing system for reducing ion loss in lamps |
US5235256A (en) * | 1990-03-29 | 1993-08-10 | Hubbell Incorporated | Biasing system for controlling chemical concentration in lamps |
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