GB488209A - Improvements in electric arc-discharge devices - Google Patents
Improvements in electric arc-discharge devicesInfo
- Publication number
- GB488209A GB488209A GB124/37A GB12437A GB488209A GB 488209 A GB488209 A GB 488209A GB 124/37 A GB124/37 A GB 124/37A GB 12437 A GB12437 A GB 12437A GB 488209 A GB488209 A GB 488209A
- Authority
- GB
- United Kingdom
- Prior art keywords
- discharge
- electrodes
- jan
- openings
- width
- 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
- H01J13/00—Discharge tubes with liquid-pool cathodes, e.g. metal-vapour rectifying tubes
- H01J13/02—Details
- H01J13/20—Control electrodes, e.g. grid
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0072—Disassembly or repair of discharge tubes
- H01J2893/0088—Tubes with at least a solid principal cathode and solid anodes
- H01J2893/009—Anode systems; Screens
- H01J2893/0092—Anodic screens or grids
Landscapes
- Lasers (AREA)
Abstract
488,209. Discharge apparatus. BRITISH THOMSON-HOUSTON CO., Ltd. Jan. 2, 1937, No. 124. Convention date, Jan. 2, 1936. [Class 39 (i)] In a gas or vapour filled arc discharge de vice provided with in termediate electrodes 2 3, 4, Fig. 1, which are connected to points or a potential divider formed e.g. by conden sers 12 .. 15, connected between the anode 1 and the cathode, the intermediate electrodes have openings the length of which is a multiple of the width so that the number of charge carriers penetrating therethrough is not sufficient to start the main discharge at the commencement of the burning period, and means, associated with each electrode 2, 3, 4, are provided for producing an auxiliary discharge to start the main discharge. The auxiliary discharges may be produced between the electrodes 2, 3, 4 and anodes 5, 6, 7 by a high-frequency potential supplied thereto through transformers 18, or a high-frequency discharge may be produced by means of an external coil. The electrodes are insulated by cylinders 8, sealed bv rubber, and may consist of metal or of graphite. Resistances may be connected in parallel with the condensers 12 .. 15 and the length of the openings may be three or ten times the width thereof.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE488209X | 1936-01-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB488209A true GB488209A (en) | 1938-07-04 |
Family
ID=6543763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB124/37A Expired GB488209A (en) | 1936-01-02 | 1937-01-02 | Improvements in electric arc-discharge devices |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB488209A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2504231A (en) * | 1945-10-26 | 1950-04-18 | Raytheon Mfg Co | Gaseous discharge device |
-
1937
- 1937-01-02 GB GB124/37A patent/GB488209A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2504231A (en) * | 1945-10-26 | 1950-04-18 | Raytheon Mfg Co | Gaseous discharge device |
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