Display apparatus with gamma correction
US5864370A · kind A · utility
10Cited by
5References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 12, 1996 |
| Grant date | Jan 26, 1999 |
| Priority date | — |
| Expiry date | Apr 12, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/69
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Display apparatus comprises a display screen. Drive means generates an image on the display screen in response to a video signal input from an external video source. The drive means comprises a memory for storing a gamma value and gamma correction means for modifying the input video signal as a function of a gamma value. Gamma variation means permits adjustment or the gamma value stored in the memory in response to a control signal input.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.