GB553846A - Electron discharge devices - Google Patents
Electron discharge devicesInfo
- Publication number
- GB553846A GB553846A GB461742A GB461742A GB553846A GB 553846 A GB553846 A GB 553846A GB 461742 A GB461742 A GB 461742A GB 461742 A GB461742 A GB 461742A GB 553846 A GB553846 A GB 553846A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cathode
- control electrode
- conductor
- lead
- surrounding
- 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
- H01J21/00—Vacuum tubes
- H01J21/02—Tubes with a single discharge path
- H01J21/06—Tubes with a single discharge path having electrostatic control means only
- H01J21/065—Devices for short wave tubes
Landscapes
- Microwave Tubes (AREA)
- Discharge Lamp (AREA)
Abstract
553,846. Thermionic valves. STANDARD TELEPHONES & CABLES, Ltd. (Western Electric Co., Inc.). March 28, 1942, No. 4167. [Class 39 (i)] Electron discharge tubes particularly for use at ultra high frequencies, comprise an annular plane cathode 12, a control electrode 23 parallel to and co-axial with the cathode, a linear leading-in conductor 25 for the control electrode extending co-axially through the cathode structure, and a metal shield 14 electrically integral with the cathode surrounding the lead 25. The lead 25 may constitute the inner element of a co-axial transmission line, the outer element of which is a cylinder 26 connected to a dished metal shield 17 ; tuning is effected by a sliding disc 27. The cathode structure comprises the disc 12, coated with electron emission material, a supporting member 16 sealed through the envelope 10, the cylindrical portion 14 surrounding the conductor 25, and a heating element 18. The device includes also a cylindrical accelerating electrode 28, and a cup shaped anode 11. The control electrode 23 consists of wires radiating from a hub 24. Specification 592,667 is referred to.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB461742A GB553846A (en) | 1942-03-28 | 1942-03-28 | Electron discharge devices |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB461742A GB553846A (en) | 1942-03-28 | 1942-03-28 | Electron discharge devices |
Publications (1)
Publication Number | Publication Date |
---|---|
GB553846A true GB553846A (en) | 1943-06-08 |
Family
ID=9780552
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB461742A Expired GB553846A (en) | 1942-03-28 | 1942-03-28 | Electron discharge devices |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB553846A (en) |
-
1942
- 1942-03-28 GB GB461742A patent/GB553846A/en not_active Expired
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