Error detection in automobile tell-tales
US10848272B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 11, 2018 |
| Grant date | Nov 24, 2020 |
| Priority date | — |
| Expiry date | Jan 25, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2012/40273
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Systems and method for error detection in automobile tell-tales are provided. An initial cyclic redundancy check (CRC) for a tell-tale to be calculated and stored at a primary control system within the vehicle. When a fault or condition is detected which generates the tell-tale, the primary control system passes video information to a display embedded control unit (ECU) along with the initial CRC. A circuit in the display ECU performs its own CRC calculation and compares the initial CRC to the calculated CRC. If there is not a match, then a fault indication may be provided to the primary control system for action by the primary control system. Still further, back up or fail-operational options may be invoked so that the tell-tale is provided to the operator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.