BE401713A - - Google Patents
Info
- Publication number
- BE401713A BE401713A BE401713DA BE401713A BE 401713 A BE401713 A BE 401713A BE 401713D A BE401713D A BE 401713DA BE 401713 A BE401713 A BE 401713A
- 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
- 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
-
- 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)
- Transforming Electric Information Into Light Information (AREA)
- Particle Accelerators (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US658894A US2251677A (en) | 1933-02-28 | 1933-02-28 | Television system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE401713A true BE401713A (https=) |
Family
ID=24643154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE401713D BE401713A (https=) | 1933-02-28 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2251677A (https=) |
| BE (1) | BE401713A (https=) |
| DE (1) | DE767750C (https=) |
| FR (1) | FR768993A (https=) |
| GB (1) | GB434496A (https=) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL46321C (https=) * | 1934-09-18 | |||
| BE411923A (https=) * | 1934-10-26 | |||
| DE752761C (de) * | 1935-11-02 | 1954-02-08 | Telefunken Gmbh | Verfahren zur Schwundregelung der Ausgangsamplitude des Verstaerkers fuer den Empfang von Fernsehsendungen |
| US2418127A (en) * | 1942-12-01 | 1947-04-01 | Standard Telephones Cables Ltd | Filter system |
| US2448027A (en) * | 1943-11-23 | 1948-08-31 | Standard Telephones Cables Ltd | Static reducing pulse receiver |
| US2505367A (en) * | 1948-05-21 | 1950-04-25 | Rca Corp | Television receiver brightness and contrast control |
| US2727942A (en) * | 1950-05-11 | 1955-12-20 | Don Lee Division Of General Te | Television synchronizing apparatus |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR742855A (https=) * | 1933-03-18 | |||
| DE575775C (de) * | 1927-04-21 | 1933-05-03 | Siemens & Halske Akt Ges | Einrichtung zur selbsttaetigen Regelung des Wirkungsgrades von UEbertragungssystemen, insbesondere fuer Bildtelegraphie |
| US1849818A (en) * | 1930-09-19 | 1932-03-15 | Gen Electric | Picture transmission |
| FR742835A (https=) * | 1931-09-16 | 1933-03-17 |
-
0
- BE BE401713D patent/BE401713A/xx unknown
-
1933
- 1933-02-28 US US658894A patent/US2251677A/en not_active Expired - Lifetime
-
1934
- 1934-02-23 FR FR768993D patent/FR768993A/fr not_active Expired
- 1934-02-28 DE DER90028D patent/DE767750C/de not_active Expired
- 1934-02-28 GB GB6510/34A patent/GB434496A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR768993A (fr) | 1934-08-17 |
| US2251677A (en) | 1941-08-05 |
| GB434496A (en) | 1935-08-28 |
| DE767750C (de) | 1953-07-06 |