BE413114A - - Google Patents
Info
- Publication number
- BE413114A BE413114A BE413114DA BE413114A BE 413114 A BE413114 A BE 413114A BE 413114D A BE413114D A BE 413114DA BE 413114 A BE413114 A BE 413114A
- 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 |
---|---|---|---|
DE457070X | 1935-01-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE413114A true BE413114A (et) |
Family
ID=6539259
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE413114D BE413114A (et) | 1935-01-11 |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE413114A (et) |
FR (1) | FR800344A (et) |
GB (1) | GB457070A (et) |
NL (1) | NL44138C (et) |
-
0
- BE BE413114D patent/BE413114A/xx unknown
- NL NL44138D patent/NL44138C/xx active
-
1935
- 1935-10-17 GB GB28764/35A patent/GB457070A/en not_active Expired
-
1936
- 1936-01-03 FR FR800344D patent/FR800344A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR800344A (fr) | 1936-07-02 |
NL44138C (et) | |
GB457070A (en) | 1936-11-20 |