BE710241A - - Google Patents
Info
- Publication number
- BE710241A BE710241A BE710241A BE710241A BE710241A BE 710241 A BE710241 A BE 710241A BE 710241 A BE710241 A BE 710241A BE 710241 A BE710241 A BE 710241A BE 710241 A BE710241 A BE 710241A
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/52—Automatic gain control
- H04N5/53—Keyed automatic gain control
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 |
|---|---|---|---|
| FR93443A FR1517067A (fr) | 1967-02-02 | 1967-02-02 | Perfectionnements au procédé et au dispositif de comande automatique de gain et decalage du niveau du noir pour récepteurs de télévision |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE710241A true BE710241A (it) | 1968-08-01 |
Family
ID=8624715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE710241A BE710241A (it) | 1967-02-02 | 1968-02-01 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3566025A (it) |
| BE (1) | BE710241A (it) |
| CH (1) | CH465003A (it) |
| DE (1) | DE1537977A1 (it) |
| ES (1) | ES350055A1 (it) |
| FR (1) | FR1517067A (it) |
| GB (1) | GB1195451A (it) |
| NL (1) | NL6801380A (it) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3927255A (en) * | 1974-05-01 | 1975-12-16 | Rca Corp | Black level clamping circuit for a television signal processor |
| FR2473823A1 (fr) * | 1980-01-14 | 1981-07-17 | Dassault Electronique | Installation pour la transmission d'informations par ligne omnibus optique |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3288926A (en) * | 1963-07-01 | 1966-11-29 | Northern Electric Co | Direct current restoration curcuit |
| US3305637A (en) * | 1963-10-31 | 1967-02-21 | Hazeltine Research Inc | Control apparatus for a television receiver comprising a back porch keyed agc system |
-
1967
- 1967-02-02 FR FR93443A patent/FR1517067A/fr not_active Expired
-
1968
- 1968-01-31 NL NL6801380A patent/NL6801380A/xx unknown
- 1968-01-31 GB GB4950/68A patent/GB1195451A/en not_active Expired
- 1968-01-31 DE DE19681537977 patent/DE1537977A1/de active Pending
- 1968-02-01 BE BE710241A patent/BE710241A/xx not_active IP Right Cessation
- 1968-02-01 ES ES350055A patent/ES350055A1/es not_active Expired
- 1968-02-01 US US702301A patent/US3566025A/en not_active Expired - Lifetime
- 1968-02-02 CH CH157168A patent/CH465003A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL6801380A (it) | 1968-08-05 |
| US3566025A (en) | 1971-02-23 |
| DE1537977A1 (de) | 1970-07-23 |
| CH465003A (de) | 1968-11-15 |
| FR1517067A (fr) | 1968-03-15 |
| ES350055A1 (es) | 1969-04-16 |
| GB1195451A (en) | 1970-06-17 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: N.V. PHILIPS'GLOEILAMPENFABRIEKEN Effective date: 19850201 |