BE738071A - - Google Patents
Info
- Publication number
- BE738071A BE738071A BE738071DA BE738071A BE 738071 A BE738071 A BE 738071A BE 738071D A BE738071D A BE 738071DA BE 738071 A BE738071 A BE 738071A
- 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
- H04N5/18—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level by means of "clamp" circuit operated by switching circuit
- H04N5/185—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level by means of "clamp" circuit operated by switching circuit for the black level
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 |
|---|---|---|---|
| US75557868A | 1968-08-27 | 1968-08-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE738071A true BE738071A (de) | 1970-02-27 |
Family
ID=25039741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE738071D BE738071A (de) | 1968-08-27 | 1969-08-27 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3571508A (de) |
| BE (1) | BE738071A (de) |
| DE (1) | DE1943344A1 (de) |
| ES (1) | ES370822A1 (de) |
| FR (1) | FR2017051B1 (de) |
| GB (1) | GB1269086A (de) |
| NL (1) | NL6912909A (de) |
| SE (1) | SE363015B (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3670100A (en) * | 1971-03-29 | 1972-06-13 | Telemation | Automatic reference level set for television cameras |
| US4032974A (en) * | 1975-10-20 | 1977-06-28 | North American Philips Corporation | Video processing circuit |
| US4295161A (en) * | 1980-04-21 | 1981-10-13 | Rca Corporation | Keyed noise filter in a television receiver |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3487162A (en) * | 1967-08-21 | 1969-12-30 | Bell Telephone Labor Inc | Video blanking and sync pulse insertion circuit |
-
1968
- 1968-08-27 US US755578A patent/US3571508A/en not_active Expired - Lifetime
-
1969
- 1969-08-23 NL NL6912909A patent/NL6912909A/xx unknown
- 1969-08-25 SE SE11760/69A patent/SE363015B/xx unknown
- 1969-08-25 ES ES370822A patent/ES370822A1/es not_active Expired
- 1969-08-25 GB GB42148/69A patent/GB1269086A/en not_active Expired
- 1969-08-26 DE DE19691943344 patent/DE1943344A1/de active Pending
- 1969-08-27 BE BE738071D patent/BE738071A/xx unknown
- 1969-08-27 FR FR6929308A patent/FR2017051B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1269086A (en) | 1972-03-29 |
| DE1943344A1 (de) | 1970-03-05 |
| FR2017051B1 (de) | 1973-11-16 |
| US3571508A (en) | 1971-03-16 |
| NL6912909A (de) | 1970-03-03 |
| SE363015B (de) | 1973-12-27 |
| FR2017051A1 (de) | 1970-05-15 |
| ES370822A1 (es) | 1971-07-01 |