GB267078A - Improvements in or relating to thermionic valves - Google Patents
Improvements in or relating to thermionic valvesInfo
- Publication number
- GB267078A GB267078A GB19562/26A GB1956226A GB267078A GB 267078 A GB267078 A GB 267078A GB 19562/26 A GB19562/26 A GB 19562/26A GB 1956226 A GB1956226 A GB 1956226A GB 267078 A GB267078 A GB 267078A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cathode
- mid
- parallel
- relating
- point
- 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
- 238000010438 heat treatment Methods 0.000 abstract 1
- 230000006698 induction Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/13—Solid thermionic cathodes
- H01J1/15—Cathodes heated directly by an electric current
Landscapes
- Measuring Fluid Pressure (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR624263T | 1926-03-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB267078A true GB267078A (en) | 1927-11-07 |
Family
ID=8986970
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB19562/26A Expired GB267078A (en) | 1926-03-02 | 1926-08-07 | Improvements in or relating to thermionic valves |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE340155A (enrdf_load_stackoverflow) |
FR (1) | FR624263A (enrdf_load_stackoverflow) |
GB (1) | GB267078A (enrdf_load_stackoverflow) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE759629C (de) * | 1940-01-20 | 1953-08-10 | Lorenz A G C | Direkt geheizte Gluehkathode mit einer Wendel aus thoriertem Wolframdraht |
-
0
- BE BE340155D patent/BE340155A/xx unknown
-
1926
- 1926-03-02 FR FR624263D patent/FR624263A/fr not_active Expired
- 1926-08-07 GB GB19562/26A patent/GB267078A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR624263A (fr) | 1927-07-12 |
BE340155A (enrdf_load_stackoverflow) |
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