BE474127A - - Google Patents
Info
- Publication number
- BE474127A BE474127A BE474127DA BE474127A BE 474127 A BE474127 A BE 474127A BE 474127D A BE474127D A BE 474127DA BE 474127 A BE474127 A BE 474127A
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US939566XA | 1944-10-16 | 1944-10-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE474127A true BE474127A (da) |
Family
ID=22241909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE474127D BE474127A (da) | 1944-10-16 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE474127A (da) |
| FR (1) | FR939566A (da) |
-
0
- BE BE474127D patent/BE474127A/xx unknown
-
1947
- 1947-01-07 FR FR939566D patent/FR939566A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR939566A (fr) | 1948-11-18 |