BE438854A - - Google Patents
Info
- Publication number
- BE438854A BE438854A BE438854DA BE438854A BE 438854 A BE438854 A BE 438854A BE 438854D A BE438854D A BE 438854DA BE 438854 A BE438854 A BE 438854A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/57—Control of contrast or brightness
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Details Of Television Scanning (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE213518X | 1939-05-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE438854A true BE438854A (https=) |
Family
ID=5813659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE438854D BE438854A (https=) | 1939-05-13 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2282992A (https=) |
| BE (1) | BE438854A (https=) |
| CH (1) | CH213518A (https=) |
| FR (1) | FR868486A (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2426419A (en) * | 1942-12-23 | 1947-08-26 | Du Mont Allen B Lab Inc | Return trace blanking and mixing |
| US2745037A (en) * | 1951-12-18 | 1956-05-08 | Rca Corp | Keying arrangement for single beam color tube |
-
0
- BE BE438854D patent/BE438854A/xx unknown
-
1940
- 1940-04-29 CH CH213518D patent/CH213518A/de unknown
- 1940-05-11 US US334531A patent/US2282992A/en not_active Expired - Lifetime
- 1940-12-28 FR FR868486D patent/FR868486A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR868486A (fr) | 1941-12-31 |
| CH213518A (de) | 1941-02-15 |
| US2282992A (en) | 1942-05-12 |