GB909917A - Improvements in or relating to electric discharge tubes - Google Patents
Improvements in or relating to electric discharge tubesInfo
- Publication number
- GB909917A GB909917A GB4206158A GB4206158A GB909917A GB 909917 A GB909917 A GB 909917A GB 4206158 A GB4206158 A GB 4206158A GB 4206158 A GB4206158 A GB 4206158A GB 909917 A GB909917 A GB 909917A
- Authority
- GB
- United Kingdom
- Prior art keywords
- anode
- grid
- screens
- dec
- relating
- 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
- H01J19/40—Screens for shielding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J21/00—Vacuum tubes
- H01J21/02—Tubes with a single discharge path
Landscapes
- Lasers (AREA)
Abstract
909,917. Thermionic valves. PHILIPS ELECTRICAL INDUSTRIES Ltd. Dec. 30, 1958 [Dec. 31, 1957], No. 42061/58. Class 39 (1). In a discharge tube for amplifying electrical oscillations, the anode 4 includes two halves, each having a re-entrant part 3 facing, and having the same width as, the cathode 1. Screens 5, the free edges of which extend short of, and lie in the same plane as, the active anode parts, are provided between the grid 2 and anode 4 so that the anode to grid capacity is determined only by the active parts thereof. The screens 5 may be grounded or at a positive potential so that distribution noise may be negligible. As shown, the grid is a frame grid and the anode has extensions which act as cooling fins.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL223718 | 1957-12-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB909917A true GB909917A (en) | 1962-11-07 |
Family
ID=19751083
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4206158A Expired GB909917A (en) | 1957-12-31 | 1958-12-30 | Improvements in or relating to electric discharge tubes |
Country Status (3)
Country | Link |
---|---|
CH (1) | CH365456A (en) |
DK (1) | DK103197C (en) |
GB (1) | GB909917A (en) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE631240C (en) * | 1936-06-16 | Sueddeutsche Telefon App Kabel | Three-electrode tube with a plate-shaped anode | |
DE595471C (en) * | 1930-08-31 | 1934-04-11 | Sueddeutsche Telefon App Kabel | Three-electrode tube, consisting of a glow cathode, a grid surrounding it, an anode and a metallic cover comprising the electrodes mentioned |
GB392815A (en) * | 1931-10-15 | 1933-05-25 | Kremenezky Ag Joh | Improvements in or relating to electric discharge tubes |
-
1958
- 1958-11-28 DK DK436958A patent/DK103197C/en active
- 1958-12-29 CH CH6779458A patent/CH365456A/en unknown
- 1958-12-30 GB GB4206158A patent/GB909917A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CH365456A (en) | 1962-11-15 |
DK103197C (en) | 1965-11-29 |
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