Video display apparatus
US4581655A · kind A · utility
24Cited by
3References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 30, 1984 |
| Grant date | Apr 8, 1986 |
| Priority date | — |
| Expiry date | Mar 30, 2004 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2320/0285
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In a picture image display apparatus including a large number of display elements which are lighted by digitalized level adjusted light data produced by a video signal, the digitalized level adjusted light data are corrected by the difference between a mean quantity of light and the light quantity of each luminous element so as to light the luminous element during an interval corresponding to the level adjusted light data without using any light quantity adjusting circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.