Computer system with multiple operating system operation
US6615303B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | May 19, 2000 |
| Grant date | Sep 2, 2003 |
| Priority date | — |
| Expiry date | May 19, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2009/45579
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A computer system is provided with a scheme to making the input and output device provided in a computer in common for a plurality of operating system, in a multiple operating system control unit operating a plurality of mutually distinct operating systems on one computer system. The computer system includes a plurality of operating systems, and OS switching unit for switching a plurality of operating systems. The OS switching means makes reference to a preferential interrupt table on the basis of an interrupt factor for switching to corresponding operating system and calls interrupt processing means incorporated in the operating system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.