Gateway device, in-vehicle network system, and firmware update method
US10725762B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 22, 2017 |
| Grant date | Jul 28, 2020 |
| Priority date | — |
| Expiry date | Mar 22, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W4/48
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A gateway device, connected to one or more buses used in communication by a plurality of ECUs on-board a vehicle, is provided with: a receiving unit that receives, from a server that acts as an external device external to the vehicle, firmware update information that includes updated firmware to be applied to one ECU from among the plurality of ECUs; and a control unit that determines, based on certain information about the ECU on which to apply the updated firmware, whether or not the ECU satisfies a certain condition, and if the certain condition is satisfied, causes the ECU to execute a certain process related to updating firmware, whereas if the certain condition is not satisfied, causes equipment other than the ECU to execute the certain process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.