BE434832A - - Google Patents
Info
- Publication number
- BE434832A BE434832A BE434832DA BE434832A BE 434832 A BE434832 A BE 434832A BE 434832D A BE434832D A BE 434832DA BE 434832 A BE434832 A BE 434832A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/02—Details
- H01J17/04—Electrodes; Screens
- H01J17/06—Cathodes
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US213228A US2201730A (en) | 1938-06-11 | 1938-06-11 | Thermionic cathode structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE434832A true BE434832A (en:Method) |
Family
ID=22794240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE434832D BE434832A (en:Method) | 1938-06-11 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2201730A (en:Method) |
| BE (1) | BE434832A (en:Method) |
| CH (1) | CH210910A (en:Method) |
| FR (1) | FR870084A (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2515333A (en) * | 1946-04-02 | 1950-07-18 | Philco Corp | Coil shielding means |
-
0
- BE BE434832D patent/BE434832A/xx unknown
-
1938
- 1938-06-11 US US213228A patent/US2201730A/en not_active Expired - Lifetime
-
1939
- 1939-06-06 CH CH210910D patent/CH210910A/de unknown
- 1939-06-07 FR FR870084D patent/FR870084A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR870084A (fr) | 1942-03-02 |
| CH210910A (de) | 1940-08-15 |
| US2201730A (en) | 1940-05-21 |