ES370822A1 - Una disposicion de control de borrado y de nivel de negro para senales de video. - Google Patents
Una disposicion de control de borrado y de nivel de negro para senales de video.Info
- Publication number
- ES370822A1 ES370822A1 ES370822A ES370822A ES370822A1 ES 370822 A1 ES370822 A1 ES 370822A1 ES 370822 A ES370822 A ES 370822A ES 370822 A ES370822 A ES 370822A ES 370822 A1 ES370822 A1 ES 370822A1
- Authority
- ES
- Spain
- Prior art keywords
- current
- amplifier
- black
- camera
- switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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 |
---|---|
ES370822A1 true ES370822A1 (es) | 1971-07-01 |
Family
ID=25039741
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES370822A Expired ES370822A1 (es) | 1968-08-27 | 1969-08-25 | Una disposicion de control de borrado y de nivel de negro para senales de video. |
Country Status (8)
Country | Link |
---|---|
US (1) | US3571508A (es) |
BE (1) | BE738071A (es) |
DE (1) | DE1943344A1 (es) |
ES (1) | ES370822A1 (es) |
FR (1) | FR2017051B1 (es) |
GB (1) | GB1269086A (es) |
NL (1) | NL6912909A (es) |
SE (1) | SE363015B (es) |
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 GB GB42148/69A patent/GB1269086A/en not_active Expired
- 1969-08-25 ES ES370822A patent/ES370822A1/es not_active Expired
- 1969-08-25 SE SE11760/69A patent/SE363015B/xx unknown
- 1969-08-26 DE DE19691943344 patent/DE1943344A1/de active Pending
- 1969-08-27 FR FR6929308A patent/FR2017051B1/fr not_active Expired
- 1969-08-27 BE BE738071D patent/BE738071A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
NL6912909A (es) | 1970-03-03 |
GB1269086A (en) | 1972-03-29 |
DE1943344A1 (de) | 1970-03-05 |
FR2017051A1 (es) | 1970-05-15 |
US3571508A (en) | 1971-03-16 |
SE363015B (es) | 1973-12-27 |
BE738071A (es) | 1970-02-27 |
FR2017051B1 (es) | 1973-11-16 |
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