BE413564A - - Google Patents
Info
- Publication number
- BE413564A BE413564A BE413564DA BE413564A BE 413564 A BE413564 A BE 413564A BE 413564D A BE413564D A BE 413564DA BE 413564 A BE413564 A BE 413564A
- Authority
- BE
- Belgium
Links
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
- H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
- H01J1/22—Heaters
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB613935A GB452054A (en) | 1935-02-26 | 1935-02-26 | Improvements in and relating to heater elements for indirectly heated thermionic cathodes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE413564A true BE413564A (ja) |
Family
ID=9809130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE413564D BE413564A (ja) | 1935-02-26 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE413564A (ja) |
| FR (1) | FR801403A (ja) |
| GB (1) | GB452054A (ja) |
-
0
- BE BE413564D patent/BE413564A/xx unknown
-
1935
- 1935-02-26 GB GB613935A patent/GB452054A/en not_active Expired
-
1936
- 1936-01-29 FR FR801403D patent/FR801403A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR801403A (fr) | 1936-08-04 |
| GB452054A (en) | 1936-08-17 |