GB579653A - Improvements relating to electric discharge devices - Google Patents
Improvements relating to electric discharge devicesInfo
- Publication number
- GB579653A GB579653A GB450043A GB450043A GB579653A GB 579653 A GB579653 A GB 579653A GB 450043 A GB450043 A GB 450043A GB 450043 A GB450043 A GB 450043A GB 579653 A GB579653 A GB 579653A
- Authority
- GB
- United Kingdom
- Prior art keywords
- shield
- anode
- supported
- window
- edges
- 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
- H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
- H01J19/42—Mounting, supporting, spacing, or insulating of electrodes or of electrode assemblies
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
- H01J2893/0002—Construction arrangements of electrode systems
Landscapes
- Vessels And Coating Films For Discharge Lamps (AREA)
Abstract
579,653. Thermionic valves. COSSOR, Ltd., A. C., and HODGSON, P. T. March 19, 1943, No. 4500. [Class 39 (i)] A thermionic valve for operation at high anode voltages is provided with a conductive shield 1 between the anode 2 and the other electrodes, and the shield has at least one window for the passage of electrons, the window having rounded edges 17 on the side facing the anode to reduce electric stress at these edges. The shield may be made of sheet metal. The cathode 20, and grids 21 and 22, are supported inside the shield by mica plates which themselves are supported by engaging with the grooves formed by rounding the window edges. The shield is supported by wires 3 which are provided with further shields 11 and which pass through ceramic insulators in mica discs at the top and bottom of the valve. The anode 2 is supported by wires secured to further ceramic insulators in these discs. The leads to the electrodes other than the anode are provided with a further shield which extends to within the first shield. The anode connection is taken out through the opposite end of the tube from the pinch through which pass the other connections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB450043A GB579653A (en) | 1943-03-19 | 1943-03-19 | Improvements relating to electric discharge devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB450043A GB579653A (en) | 1943-03-19 | 1943-03-19 | Improvements relating to electric discharge devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB579653A true GB579653A (en) | 1946-08-12 |
Family
ID=9778365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB450043A Expired GB579653A (en) | 1943-03-19 | 1943-03-19 | Improvements relating to electric discharge devices |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB579653A (en) |
-
1943
- 1943-03-19 GB GB450043A patent/GB579653A/en not_active Expired
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