BE443460A - - Google Patents
Info
- Publication number
- BE443460A BE443460A BE443460DA BE443460A BE 443460 A BE443460 A BE 443460A BE 443460D A BE443460D A BE 443460DA BE 443460 A BE443460 A BE 443460A
- 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 |
|---|---|---|---|
| DE221451X | 1940-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE443460A true BE443460A (cs) |
Family
ID=5840104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE443460D BE443460A (cs) | 1940-11-30 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE443460A (cs) |
| CH (1) | CH221451A (cs) |
| FR (1) | FR877099A (cs) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL254372A (cs) * | 1930-07-02 |
-
0
- BE BE443460D patent/BE443460A/xx unknown
-
1941
- 1941-11-05 CH CH221451D patent/CH221451A/de unknown
- 1941-11-19 FR FR877099D patent/FR877099A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR877099A (fr) | 1942-11-26 |
| CH221451A (de) | 1942-05-31 |