NL54199C - - Google Patents
Info
- Publication number
- NL54199C NL54199C NL54199DA NL54199C NL 54199 C NL54199 C NL 54199C NL 54199D A NL54199D A NL 54199DA NL 54199 C NL54199 C NL 54199C
- Authority
- NL
- Netherlands
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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Circuits Of Receivers In General (AREA)
- Picture Signal Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE499538X | 1936-12-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL54199C true NL54199C (en:Method) |
Family
ID=6545477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL54199D NL54199C (en:Method) | 1936-12-16 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2227026A (en:Method) |
| FR (1) | FR832177A (en:Method) |
| GB (1) | GB499538A (en:Method) |
| NL (1) | NL54199C (en:Method) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2548436A (en) * | 1946-01-25 | 1951-04-10 | Hazeltine Corp | Television receiver background control circuit |
| US2515763A (en) * | 1948-10-22 | 1950-07-18 | Gen Electric | Direct current restoration circuit for television |
| US2708687A (en) * | 1949-05-10 | 1955-05-17 | Motorola Inc | Combined direct current reinserter and synchronizing pulse separator |
| US2572179A (en) * | 1949-05-24 | 1951-10-23 | Philco Corp | Peak leveling circuit |
| US2800528A (en) * | 1949-06-23 | 1957-07-23 | Du Mont Allen B Lab Inc | Video amplifier bridge circuit for minimizing supply voltage variations |
| US2598929A (en) * | 1949-12-15 | 1952-06-03 | Philco Corp | Direct current reinsertion circuit |
| US2672505A (en) * | 1950-06-13 | 1954-03-16 | Avco Mfg Corp | Black level shift compensating amplifier |
-
0
- NL NL54199D patent/NL54199C/xx active
-
1937
- 1937-12-13 US US179566A patent/US2227026A/en not_active Expired - Lifetime
- 1937-12-15 FR FR832177D patent/FR832177A/fr not_active Expired
- 1937-12-15 GB GB34741/37A patent/GB499538A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2227026A (en) | 1940-12-31 |
| GB499538A (en) | 1939-01-25 |
| FR832177A (fr) | 1938-09-22 |