BE496237A - - Google Patents
Info
- Publication number
- BE496237A BE496237A BE496237DA BE496237A BE 496237 A BE496237 A BE 496237A BE 496237D A BE496237D A BE 496237DA BE 496237 A BE496237 A BE 496237A
- 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
- H01J1/26—Supports for the emissive material
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL1019900X | 1949-06-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE496237A true BE496237A (en]) |
Family
ID=19867098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE496237D BE496237A (en]) | 1949-06-11 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE496237A (en]) |
| FR (1) | FR1019900A (en]) |
-
0
- BE BE496237D patent/BE496237A/xx unknown
-
1950
- 1950-06-09 FR FR1019900D patent/FR1019900A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1019900A (fr) | 1953-01-27 |