BE484368A - - Google Patents
Info
- Publication number
- BE484368A BE484368A BE484368DA BE484368A BE 484368 A BE484368 A BE 484368A BE 484368D A BE484368D A BE 484368DA BE 484368 A BE484368 A BE 484368A
- 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 |
|---|---|---|---|
| NL269933X | 1947-08-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE484368A true BE484368A (de) |
Family
ID=19781880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE484368D BE484368A (de) | 1947-08-15 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2532838A (de) |
| BE (1) | BE484368A (de) |
| CH (1) | CH269933A (de) |
| DE (1) | DE809445C (de) |
| FR (1) | FR970342A (de) |
| GB (1) | GB653707A (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1312580A (fr) * | 1961-11-09 | 1962-12-21 | Csf | Perfectionnements aux cathodes de dimensions millimétriques pour tubes électroniques |
| FR1455956A (fr) * | 1965-07-20 | 1966-05-20 | Thomson Houston Comp Francaise | Perfectionnements aux cathodes à chauffage direct |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2212827A (en) * | 1937-12-29 | 1940-08-27 | Fides Gmbh | Hot cathode for high power |
| NL52447C (de) * | 1938-02-04 |
-
0
- BE BE484368D patent/BE484368A/xx unknown
-
1948
- 1948-08-04 US US42376A patent/US2532838A/en not_active Expired - Lifetime
- 1948-08-12 GB GB21286/48A patent/GB653707A/en not_active Expired
- 1948-08-13 CH CH269933D patent/CH269933A/de unknown
- 1948-08-13 FR FR970342D patent/FR970342A/fr not_active Expired
- 1948-12-24 DE DEP26457A patent/DE809445C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR970342A (fr) | 1951-01-03 |
| US2532838A (en) | 1950-12-05 |
| DE809445C (de) | 1951-07-30 |
| CH269933A (de) | 1950-07-31 |
| GB653707A (en) | 1951-05-23 |