GB630760A - Improvements in or relating to fluorescent tube lighting systems and transformers therefor - Google Patents
Improvements in or relating to fluorescent tube lighting systems and transformers thereforInfo
- Publication number
- GB630760A GB630760A GB21192/47A GB2119247A GB630760A GB 630760 A GB630760 A GB 630760A GB 21192/47 A GB21192/47 A GB 21192/47A GB 2119247 A GB2119247 A GB 2119247A GB 630760 A GB630760 A GB 630760A
- Authority
- GB
- United Kingdom
- Prior art keywords
- relating
- fluorescent tube
- lighting systems
- tube lighting
- transformers
- 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
- H05B41/23—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
Landscapes
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
- Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
- Microscoopes, Condenser (AREA)
Abstract
630,760. Transformers ; supply systems for discharge tubes. BOUCHER INVENTIONS, Ltd. Aug. 5, 1947, No. 21192. Convention date, Oct. 21, 1941. Drawings to Specification. [Classes 38 (ii) and 38 (iv)] The subject-matter of this Specification is identical with that described in Specification 578,093.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US630760XA | 1941-10-21 | 1941-10-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB630760A true GB630760A (en) | 1949-10-20 |
Family
ID=22046762
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB21192/47A Expired GB630760A (en) | 1941-10-21 | 1947-08-05 | Improvements in or relating to fluorescent tube lighting systems and transformers therefor |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB630760A (en) |
-
1947
- 1947-08-05 GB GB21192/47A patent/GB630760A/en not_active Expired
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