BE449446A - - Google Patents
Info
- Publication number
- BE449446A BE449446A BE449446DA BE449446A BE 449446 A BE449446 A BE 449446A BE 449446D A BE449446D A BE 449446DA BE 449446 A BE449446 A BE 449446A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J31/00—Cathode ray tubes; Electron beam tubes
- H01J31/02—Cathode ray tubes; Electron beam tubes having one or more output electrodes which may be impacted selectively by the ray or beam, and onto, from, or over which the ray or beam may be deflected or de-focused
- H01J31/04—Cathode ray tubes; Electron beam tubes having one or more output electrodes which may be impacted selectively by the ray or beam, and onto, from, or over which the ray or beam may be deflected or de-focused with only one or two output electrodes with only two electrically independant groups or electrodes
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE234439X | 1942-05-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE449446A true BE449446A (ro) |
Family
ID=5891505
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE451138D BE451138A (ro) | 1942-05-07 | ||
| BE449446D BE449446A (ro) | 1942-05-07 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE451138D BE451138A (ro) | 1942-05-07 |
Country Status (3)
| Country | Link |
|---|---|
| BE (2) | BE449446A (ro) |
| CH (1) | CH234439A (ro) |
| FR (2) | FR894503A (ro) |
-
0
- BE BE451138D patent/BE451138A/xx unknown
- BE BE449446D patent/BE449446A/xx unknown
-
1943
- 1943-02-22 CH CH234439D patent/CH234439A/de unknown
- 1943-05-07 FR FR894503D patent/FR894503A/fr not_active Expired
- 1943-06-24 FR FR53038D patent/FR53038E/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR53038E (fr) | 1945-09-06 |
| BE451138A (ro) | |
| CH234439A (de) | 1944-09-30 |
| FR894503A (fr) | 1944-12-27 |