Display using ordered dither
US4956638A · kind A · utility
57Cited by
11References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 16, 1988 |
| Grant date | Sep 11, 1990 |
| Priority date | — |
| Expiry date | Sep 16, 2008 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G3/2051
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A color display device which includes dither apparatus for each primary color to be displayed. A dither matrix provides a dither signal output as a function of the position of a pixel on the color display device. An input primary color signal includes an integer signal and a fraction signal. The integer signal is incremented by an incrementer. There is means for providing an output primary color signal which is the incremented signal whenever a predetermined relationship exists between the dither signal and the fraction signal, and which is the integer signal whenever the predetermined relationship does not exist.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.