Dual computer system
US5434998A · kind A · utility
48Cited by
2References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 16, 1993 |
| Grant date | Jul 18, 1995 |
| Priority date | — |
| Expiry date | Mar 16, 2013 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F11/2048
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A dual computer system comprising a pair of processor units, and a dual control unit for controlling which of the two processor units are to be kept operating or on standby in case of failure of the operated unit; wherein the dual control unit controls which processor unit is to be operated through monitoring of the operating states of the two processor units, and comprising two independent interruption devices for indicating the switching of the two processor units through interruption. The system is effective in improving the continuity of the control at the time of switching.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.