Electronic device and method for managing power failure occurrence
US10488907B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 16, 2017 |
| Grant date | Nov 26, 2019 |
| Priority date | — |
| Expiry date | Feb 8, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J9/062
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
According to one embodiment, an electronic device operable by a power supply voltage obtained from a commercial power supply, includes a capacitor charged with the power supply voltage, and a circuitry configured to write power failure occurrence time information to a nonvolatile memory using power of the capacitor after occurrence of power failure, read the power failure occurrence time information from the nonvolatile memory, and transmit the power failure occurrence time information to an external device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.