NL7307149A - - Google Patents
Info
- Publication number
- NL7307149A NL7307149A NL7307149A NL7307149A NL7307149A NL 7307149 A NL7307149 A NL 7307149A NL 7307149 A NL7307149 A NL 7307149A NL 7307149 A NL7307149 A NL 7307149A NL 7307149 A NL7307149 A NL 7307149A
- Authority
- NL
- Netherlands
Links
Classifications
-
- 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
- H04N5/57—Control of contrast or brightness
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Receiver Circuits (AREA)
- Picture Signal Circuits (AREA)
- Controls And Circuits For Display Device (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722232994 DE2232994C3 (de) | 1972-07-05 | Verfahren und Schaltungsanordnung zum unabhängigen Regeln der Kontrastund der Helligkeitseinstellung eines Bildempfängers, insbesondere in BiIdfernsprech-TeilnehmersteHen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7307149A true NL7307149A (xx) | 1974-01-08 |
Family
ID=5849767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7307149A NL7307149A (xx) | 1972-07-05 | 1973-05-22 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3881054A (xx) |
| JP (1) | JPS4946332A (xx) |
| AT (1) | AT331318B (xx) |
| BE (1) | BE801952A (xx) |
| CH (1) | CH548719A (xx) |
| FR (1) | FR2191381A1 (xx) |
| GB (1) | GB1444803A (xx) |
| IT (1) | IT1003098B (xx) |
| LU (1) | LU67927A1 (xx) |
| NL (1) | NL7307149A (xx) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0628419B2 (ja) * | 1984-06-21 | 1994-04-13 | ソニー株式会社 | 画像調整装置 |
| DE58908000D1 (de) * | 1988-07-28 | 1994-08-11 | Contraves Ag | Automatische Helligkeits- und Kontrast-Steuerung einer Video-Kamera für industrielle/militärische Zwecke. |
| FR2651080A1 (fr) * | 1989-08-18 | 1991-02-22 | Hewlett Packard France Sa | Dispositif de commande de gain pour moniteur video |
| US5065443A (en) * | 1989-12-04 | 1991-11-12 | Allen-Bradley Company, Inc. | Image processor with illumination variation compensation |
| FI103628B1 (fi) * | 1997-09-02 | 1999-07-30 | Nokia Mobile Phones Ltd | Videodatan lähettäminen |
| KR100449744B1 (ko) * | 2002-10-21 | 2004-09-22 | 삼성전자주식회사 | 영상 처리 장치에서의 화면 밝기 제어 방법 및 장치 |
| US20140176021A1 (en) * | 2010-11-23 | 2014-06-26 | Kin Ming Fung | Method and Apparatus for Controlling Light Intensity of Lamp |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3217100A (en) * | 1962-01-03 | 1965-11-09 | Rca Corp | Contrast control system |
| US3569620A (en) * | 1969-03-21 | 1971-03-09 | Rca Corp | Automatic video signal gain controlling apparatus |
| US3604844A (en) * | 1969-05-28 | 1971-09-14 | Central Dynamics | Video signal processing amplifier with automatic gain control |
| GB1391452A (en) * | 1971-04-21 | 1975-04-23 | Image Analysing Computers Ltd | Method and circuit arrangement for amplitude correction of a video signal obtained by line scanning |
| US3760099A (en) * | 1971-11-01 | 1973-09-18 | Tektronix Inc | Video amplifier for a color television apparatus |
-
1973
- 1973-05-17 AT AT432773A patent/AT331318B/de not_active IP Right Cessation
- 1973-05-18 CH CH711673A patent/CH548719A/xx not_active IP Right Cessation
- 1973-05-22 NL NL7307149A patent/NL7307149A/xx unknown
- 1973-06-26 FR FR7323259A patent/FR2191381A1/fr not_active Withdrawn
- 1973-06-26 US US373735A patent/US3881054A/en not_active Expired - Lifetime
- 1973-07-03 LU LU67927A patent/LU67927A1/xx unknown
- 1973-07-04 GB GB3194873A patent/GB1444803A/en not_active Expired
- 1973-07-04 IT IT7326173A patent/IT1003098B/it active
- 1973-07-05 BE BE133150A patent/BE801952A/xx unknown
- 1973-07-05 JP JP48076085A patent/JPS4946332A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US3881054A (en) | 1975-04-29 |
| BE801952A (fr) | 1974-01-07 |
| IT1003098B (it) | 1976-06-10 |
| ATA432773A (de) | 1975-11-15 |
| FR2191381A1 (xx) | 1974-02-01 |
| DE2232994A1 (de) | 1974-01-17 |
| GB1444803A (en) | 1976-08-04 |
| LU67927A1 (xx) | 1973-09-05 |
| CH548719A (de) | 1974-04-30 |
| JPS4946332A (xx) | 1974-05-02 |
| DE2232994B2 (de) | 1976-07-22 |
| AT331318B (de) | 1976-08-10 |