GB376208A - Improvements in luminous electric discharge tubes - Google Patents
Improvements in luminous electric discharge tubesInfo
- Publication number
- GB376208A GB376208A GB6072/32A GB607232A GB376208A GB 376208 A GB376208 A GB 376208A GB 6072/32 A GB6072/32 A GB 6072/32A GB 607232 A GB607232 A GB 607232A GB 376208 A GB376208 A GB 376208A
- Authority
- GB
- United Kingdom
- Prior art keywords
- electron
- members
- emitting substances
- electric discharge
- electrodes
- 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
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
- Discharge Lamp (AREA)
Abstract
376,208. Discharge lamps. GENERAL ELECTRIC CO., Ltd., Magnet House, Kingsway, London.-(Assignees of Patent-Treuhand-Ges. fur Elektrische Gl³hlampen; 11, Ehrenbergstrasse, Berlin.) Feb. 29, 1932, No. 6072. Convention date, April 16, 1931. [Class 39 (i).] Conducting members 9, 10 extend from the ends of the tube to within a short distance of each other, and are connected through a variable resistance 14. On applying the voltage to the main electrodes 7, glow discharges are formed between each electrode and the neighbouring conducting member, and the gas or vapour filling of the tube becomes quickly ionized. The electrodes may consist of sintered mixtures of refractory metals and electron-emitting substances and may be heated e.g. for 10 to 30 seconds by windings 6. The members 9, 10 are supported by glass beads 11 and wires 12 and may be covered with electron-emitting substances.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE376208X | 1931-04-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB376208A true GB376208A (en) | 1932-07-07 |
Family
ID=6344212
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB6072/32A Expired GB376208A (en) | 1931-04-16 | 1932-02-29 | Improvements in luminous electric discharge tubes |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB376208A (en) |
-
1932
- 1932-02-29 GB GB6072/32A patent/GB376208A/en not_active Expired
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