NL41139C - - Google Patents
Info
- Publication number
- NL41139C NL41139C NL73060A NL73060A NL41139C NL 41139 C NL41139 C NL 41139C NL 73060 A NL73060 A NL 73060A NL 73060 A NL73060 A NL 73060A NL 41139 C NL41139 C NL 41139C
- 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
- 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)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Control Of El Displays (AREA)
- Picture Signal Circuits (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US718354A US2124044A (en) | 1934-03-31 | 1934-03-31 | Electrical apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL41139C true NL41139C (xx) | 1937-07-15 |
Family
ID=26247284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL73060A NL41139C (xx) | 1934-03-31 | 1935-03-30 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2124044A (xx) |
| DE (1) | DE701082C (xx) |
| FR (1) | FR787688A (xx) |
| GB (1) | GB454511A (xx) |
| NL (1) | NL41139C (xx) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE752761C (de) * | 1935-11-02 | 1954-02-08 | Telefunken Gmbh | Verfahren zur Schwundregelung der Ausgangsamplitude des Verstaerkers fuer den Empfang von Fernsehsendungen |
| US2895006A (en) * | 1952-08-28 | 1959-07-14 | Eastman Kodak Co | Apparatus for balancing scanning systems |
-
1934
- 1934-03-31 US US718354A patent/US2124044A/en not_active Expired - Lifetime
-
1935
- 1935-03-21 FR FR787688D patent/FR787688A/fr not_active Expired
- 1935-03-30 NL NL73060A patent/NL41139C/xx active
- 1935-04-01 GB GB10110/35A patent/GB454511A/en not_active Expired
- 1935-04-02 DE DE1935R0092992 patent/DE701082C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2124044A (en) | 1938-07-19 |
| DE701082C (de) | 1941-01-08 |
| GB454511A (en) | 1936-10-01 |
| FR787688A (fr) | 1935-09-26 |