Process for controlling a matrix access display device
US4673256A · kind A · utility
8Cited by
5References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 26, 1984 |
| Grant date | Jun 16, 1987 |
| Priority date | — |
| Expiry date | Nov 26, 2004 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G3/3603
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The invention relates to controlling a matrix access display device comprising a layer of material reacting to a combined thermal and electric effect. According to the invention, the DC video control voltage is transformed into an AC voltage by switching the potentials of the electrodes applying the electric control field.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.