GB401903A - Improved arrangement for the feeding of current to gaseous discharge luminous tubes - Google Patents
Improved arrangement for the feeding of current to gaseous discharge luminous tubesInfo
- Publication number
- GB401903A GB401903A GB35682/32A GB3568232A GB401903A GB 401903 A GB401903 A GB 401903A GB 35682/32 A GB35682/32 A GB 35682/32A GB 3568232 A GB3568232 A GB 3568232A GB 401903 A GB401903 A GB 401903A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tubes
- primary
- transformer
- series
- tube
- 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
- Circuit Arrangements For Discharge Lamps (AREA)
Abstract
401,903. Electric supply systems. AKTIEBOLAGET INGENIORSFIRMAN TEKNIK, 29, Lõstmakaregatan, Stockholm. Dec. 16, 1932, No. 35682. Convention date, Dec. 16, 1931. [Class 38 (iv).] Lighting systems.- Current is supplied to gas-filled luminous tubes of the glow discharge type having electrodes without heating means, such as neon tubes for signs, through a separate step-up transformer for each tube or group of tubes in series, the transformers operating at a moderate flux density and with small magnetic losses with their primary windings connected in series and with the ends of their secondary windings connected to opposite electrodes of the corresponding tubes or groups of tubes. Thus, as shown in Fig. 3, each tube or group of tubes 1, 2, 3 is connected across the secondary winding of a corresponding transformer 4, 5, 6 of normal type without magnetic shunt, the primary windings being in series. Such primary windings may be supplied through an intermediate transformer 10 provided, if necessary, with regulating taps on primary or secondary or on both windings or with an adjustable magnetic shunt, and adjustable resistances, reactances, shunt condensers or combinations thereof may be arranged in the primary circuit of the tube transformers or of the intermediate transformer or of both.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE401903X | 1931-12-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB401903A true GB401903A (en) | 1933-11-23 |
Family
ID=20309442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB35682/32A Expired GB401903A (en) | 1931-12-16 | 1932-12-16 | Improved arrangement for the feeding of current to gaseous discharge luminous tubes |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB401903A (en) |
-
1932
- 1932-12-16 GB GB35682/32A patent/GB401903A/en not_active Expired
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US2382638A (en) | Fluorescent lighting | |
| US2358810A (en) | Apparatus for starting and controlling discharge devices | |
| US2241261A (en) | Transformer | |
| GB171836A (en) | Improvements in and relating to electric transformers and the like | |
| US2302213A (en) | Electric circuits for lamp regulation | |
| GB401903A (en) | Improved arrangement for the feeding of current to gaseous discharge luminous tubes | |
| US2334567A (en) | Apparatus for starting and controlling discharge devices | |
| US2439976A (en) | Fluorescent lamp circuit | |
| US2334587A (en) | Starting and ballasting apparatus for electric discharge devices | |
| US2382012A (en) | Fluorescent lamp circuits | |
| US2472882A (en) | Transformer | |
| US2502084A (en) | Power-factor corrected transformer | |
| US2585963A (en) | Apparatus for and system of gaseous tube lighting | |
| GB848548A (en) | Starting circuit for electric discharge lamps | |
| US2436951A (en) | Luminescent tube system and apparatus | |
| US2481468A (en) | Luminescent tube system and apparatus | |
| US2963623A (en) | Starting and operating circuits for electrical discharge lamps | |
| US1952246A (en) | Arrangement for the feeding of gaseous tubes | |
| GB419173A (en) | An improved switching arrangement for lighting installations | |
| US3112427A (en) | Supply circuit for a pair of hot cathode fluorescent discharge lamps | |
| GB705081A (en) | Supply circuit for starting and operating discharge lamps having filamentary electrodes | |
| GB498107A (en) | Improvements in circuit arrangements for operating electric discharge devices | |
| GB415183A (en) | Improvements relating to electric discharge tubes particularly gasfilled luminous tubes | |
| GB246909A (en) | Improvements in and relating to apparatus for the conversion of alternating current into high tension continuous current | |
| GB429297A (en) | Means for operating gas-filled luminescent tubes |