BE443459A - - Google Patents
Info
- Publication number
- BE443459A BE443459A BE443459DA BE443459A BE 443459 A BE443459 A BE 443459A BE 443459D A BE443459D A BE 443459DA BE 443459 A BE443459 A BE 443459A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/48—Electron guns
- H01J29/484—Eliminating deleterious effects due to thermal effects, electrical or magnetic fields; Preventing unwanted emission
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE224055X | 1940-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE443459A true BE443459A (fr) |
Family
ID=5853841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE443459D BE443459A (fr) | 1940-11-30 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE443459A (fr) |
| CH (1) | CH224055A (fr) |
| FR (1) | FR877098A (fr) |
-
0
- BE BE443459D patent/BE443459A/xx unknown
-
1941
- 1941-11-05 CH CH224055D patent/CH224055A/de unknown
- 1941-11-19 FR FR877098D patent/FR877098A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR877098A (fr) | 1942-11-26 |
| CH224055A (de) | 1942-10-31 |