GB342000A - Improvements relating to electric discharge apparatus - Google Patents
Improvements relating to electric discharge apparatusInfo
- Publication number
- GB342000A GB342000A GB33278/29A GB3327829A GB342000A GB 342000 A GB342000 A GB 342000A GB 33278/29 A GB33278/29 A GB 33278/29A GB 3327829 A GB3327829 A GB 3327829A GB 342000 A GB342000 A GB 342000A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tube
- disc
- supported
- nov
- conductor
- 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
- H01J19/28—Non-electron-emitting electrodes; Screens
- H01J19/32—Anodes
- H01J19/34—Anodes forming part of the envelope
-
- 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
- H01J2893/0003—Anodes forming part of vessel walls
Landscapes
- Microwave Amplifiers (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
- Manipulator (AREA)
Abstract
342,000. Thermionic valves. BRITISH THOMSON-HOUSTON CO., Ltd., Crown House, Aldwych, London.-(Assignees of Dougherty, R. H.; 127, Bruce Street, Scotia, New York, U.S.A.) Nov. 1, 1929, No. 33278. Convention date, Nov. 8, 1928. [Class 39 (i).] In transmitting valves, a conductor 13, Figs. 1 and 3, to an electrode such as the filament passes through an inverted stem 12 re-entering a tube 22 itself reentering the envelope 1 and is supported at an intermediate point by an insulating disc 15 with an aperture slidably engaging the conductor, the disc being supported from the exterior of an extension 21 of the tube 22. The disc 15 may be made in two parts of glass, quartz or lava and is held in, and has projections 19 overhanging, a clamp 16 supported by arms 18 from a clamp 17 around the tube 21. The stem 12 is thus kept cool by positioning it remote from the electrodes and by the shielding action of the disc 15 and is relieved of mechanical strain. The tube 21 is made separately from, and fused at 23 to, the tube 22. The grid 3 is positioned in the anode 2 by an insulating disc at its lower end and is supported from a band 7 clamped about copper mesh around the tube 21 and connected by a ribbon 8 to a side lead 9. A rod 11 supports the lower end of the filament.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US342000XA | 1928-11-08 | 1928-11-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB342000A true GB342000A (en) | 1931-01-29 |
Family
ID=21874919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB33278/29A Expired GB342000A (en) | 1928-11-08 | 1929-11-01 | Improvements relating to electric discharge apparatus |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB342000A (en) |
-
1929
- 1929-11-01 GB GB33278/29A patent/GB342000A/en not_active Expired
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