BE479144A - - Google Patents
Info
- Publication number
- BE479144A BE479144A BE479144DA BE479144A BE 479144 A BE479144 A BE 479144A BE 479144D A BE479144D A BE 479144DA BE 479144 A BE479144 A BE 479144A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/16—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/16—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level
- H04N5/165—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level to maintain the black level constant
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Picture Signal Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US363021A US2302425A (en) | 1940-10-26 | 1940-10-26 | Television apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE479144A true BE479144A (fr) |
Family
ID=23428451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE479144D BE479144A (fr) | 1940-10-26 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2302425A (fr) |
| BE (1) | BE479144A (fr) |
| FR (1) | FR959967A (fr) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE467388A (fr) * | 1945-08-31 | |||
| US2472577A (en) * | 1946-05-31 | 1949-06-07 | Rca Corp | Double time-constant circuit for direct-current restoration |
| US2550178A (en) * | 1946-11-21 | 1951-04-24 | Rca Corp | Direct current reinsertion circuit for television systems |
| BE486285A (fr) * | 1947-12-13 | |||
| US2708687A (en) * | 1949-05-10 | 1955-05-17 | Motorola Inc | Combined direct current reinserter and synchronizing pulse separator |
| US2675423A (en) * | 1949-07-22 | 1954-04-13 | Hazeltine Research Inc | Direct-current restorer system for compensating for the finite impedance of restoring tubes |
| NL200706A (fr) * | 1955-01-12 |
-
0
- BE BE479144D patent/BE479144A/xx unknown
- FR FR959967D patent/FR959967A/fr not_active Expired
-
1940
- 1940-10-26 US US363021A patent/US2302425A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR959967A (fr) | 1950-04-07 |
| US2302425A (en) | 1942-11-17 |