Legibility enhancement for alphanumeric displays
US4555701A · kind A · utility
6Cited by
2References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 27, 1982 |
| Grant date | Nov 26, 1985 |
| Priority date | — |
| Expiry date | Dec 27, 2002 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G1/002
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Alphanumeric CRT display has normal/reverse video attribute. In reverse video, the character dots are made wider than in normal video, to equalize the apparent width of the dots in the two modes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.