FR2189963B3 - - Google Patents
Info
- Publication number
- FR2189963B3 FR2189963B3 FR7320841A FR7320841A FR2189963B3 FR 2189963 B3 FR2189963 B3 FR 2189963B3 FR 7320841 A FR7320841 A FR 7320841A FR 7320841 A FR7320841 A FR 7320841A FR 2189963 B3 FR2189963 B3 FR 2189963B3
- Authority
- FR
- France
- 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
- H04N5/165—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)
- Picture Signal Circuits (AREA)
- Transforming Electric Information Into Light Information (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DD16370972A DD97531A1 (fr) | 1972-06-15 | 1972-06-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2189963A1 FR2189963A1 (fr) | 1974-01-25 |
FR2189963B3 true FR2189963B3 (fr) | 1976-05-28 |
Family
ID=5487014
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7320841A Expired FR2189963B3 (fr) | 1972-06-15 | 1973-06-07 |
Country Status (3)
Country | Link |
---|---|
DD (1) | DD97531A1 (fr) |
DE (1) | DE2314932A1 (fr) |
FR (1) | FR2189963B3 (fr) |
-
1972
- 1972-06-15 DD DD16370972A patent/DD97531A1/xx unknown
-
1973
- 1973-03-26 DE DE19732314932 patent/DE2314932A1/de active Pending
- 1973-06-07 FR FR7320841A patent/FR2189963B3/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2189963A1 (fr) | 1974-01-25 |
DD97531A1 (fr) | 1973-05-14 |
DE2314932A1 (de) | 1973-12-20 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |