Electronic control device
US8042009B2 · kind B2 · utility
2Cited by
5References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 14, 2007 |
| Grant date | Oct 18, 2011 |
| Priority date | — |
| Expiry date | Feb 25, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F11/0757
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An electronic control device according to an embodiment of the present invention includes an arithmetic device such as a microcomputer having a watchdog timer circuit, and a runaway monitoring circuit which monitors the arithmetic device for an operational failure by receiving a pulse output from the arithmetic device, in which the watchdog timer circuit or the runaway monitoring circuit detects occurrence of a failure of the arithmetic device according to the state (high level or low level) of an indication signal (wakeup signal) which shows the operational state of the arithmetic device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.