Methods for handling input/output expansion power faults in a telematics device
US11494281B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 4, 2022 |
| Grant date | Nov 8, 2022 |
| Priority date | — |
| Expiry date | Feb 4, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2201/81
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method for handling input/output (I/O) expansion power faults in a telematics device is provided. The method includes setting an I/O expander power-off duration to an initial value and powering on an I/O expander interface. In response to detecting a power fault at the I/O expander interface, the I/O expander interface is powered-off dur the power-off duration and the power-off duration is increased. If the power-off duration is greater than the power-off duration limit, the I/O expander interface is permanently powered-off. The steps are repeated until either the power fault does not recur, or the I/O expander interface is permanently powered-off.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.