Non-linear customer contrast control for a color television with autopix
US5317400A · kind A · utility
38Cited by
3References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 22, 1992 |
| Grant date | May 31, 1994 |
| Priority date | — |
| Expiry date | May 22, 2012 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N5/57
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In a TV system which includes an autopix feedback loop limiting the range over which the contrast can be controlled, there is included means for generating a non-linear contrast control voltage as a function of customer control settings in order to extend the range over which the customer can control the contrast.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.