Virtual display subsystem in a computer
US5786825A · kind A · utility
6Cited by
10References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 13, 1995 |
| Grant date | Jul 28, 1998 |
| Priority date | — |
| Expiry date | Dec 13, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T1/20
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A processing system removes the burden of maintaining legacy hardware by employing a system management mode mechanism to provide an environment for virtualizing preexisting memory and I/O space instructions into operations for high resolution raster graphics circuitry, thus maintaining functionality and backwards compatibility with preexisting software.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.