BE447545A - - Google Patents
Info
- Publication number
- BE447545A BE447545A BE447545DA BE447545A BE 447545 A BE447545 A BE 447545A BE 447545D A BE447545D A BE 447545DA BE 447545 A BE447545 A BE 447545A
- 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
- H01J1/15—Cathodes heated directly by an electric current
- H01J1/16—Cathodes heated directly by an electric current characterised by the shape
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL233017X | 1941-10-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE447545A true BE447545A (en:Method) |
Family
ID=19780087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE447545D BE447545A (en:Method) | 1941-10-14 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE447545A (en:Method) |
| CH (1) | CH233017A (en:Method) |
| GB (1) | GB616359A (en:Method) |
-
0
- BE BE447545D patent/BE447545A/xx unknown
-
1942
- 1942-10-12 CH CH233017D patent/CH233017A/de unknown
-
1946
- 1946-03-22 GB GB8925/46A patent/GB616359A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH233017A (de) | 1944-06-30 |
| GB616359A (en) | 1949-01-20 |