Video circuit controlling brightness and/or saturation
US5432566A · kind A · utility
9Cited by
6References
41Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 2, 1994 |
| Grant date | Jul 11, 1995 |
| Priority date | — |
| Expiry date | Feb 2, 2014 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/68
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A video circuit provided with corrective control data generator which generates respective control data for correcting and controlling the brightness and/or saturation of the picture displayed on a display unit in accordance with the average brightness level of the luminance signal separated from the video signal. The brightness and/or saturation of the picture are thus corrected and controlled on the basis of the corrective control data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.