BE439183A - - Google Patents
Info
- Publication number
- BE439183A BE439183A BE439183DA BE439183A BE 439183 A BE439183 A BE 439183A BE 439183D A BE439183D A BE 439183DA BE 439183 A BE439183 A BE 439183A
- 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
- H01J29/485—Construction of the gun or of parts thereof
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE869711X | 1939-09-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE439183A true BE439183A (en:Method) |
Family
ID=6803073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE439183D BE439183A (en:Method) | 1939-09-01 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE439183A (en:Method) |
| FR (1) | FR869711A (en:Method) |
| NL (1) | NL57686C (en:Method) |
-
0
- NL NL57686D patent/NL57686C/xx active
- BE BE439183D patent/BE439183A/xx unknown
-
1941
- 1941-02-04 FR FR869711D patent/FR869711A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR869711A (fr) | 1942-02-13 |
| NL57686C (en:Method) |