Vehicular control unit with self shut-off function and abnormality detection function
US6853295B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 22, 2003 |
| Grant date | Feb 8, 2005 |
| Priority date | — |
| Expiry date | Jul 12, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J2310/46
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
In a vehicular control unit, a main power supply voltage detecting section to detect a voltage value of a main power supply is provided and, an abnormality determining section determines an abnormality occurs in the main power supply voltage detecting section when the main power supply voltage detecting section negatively detects the voltage value of the main power supply and a power supply stop command output section outputs a command to stop the supply of the continuous power supply to the power supply control circuit without an execution of a shut-off process when the abnormality determining section determines that the abnormality occurs in the main power supply voltage detecting section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.