Emergency system with brown-out detection
US9711996B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 8, 2016 |
| Grant date | Jul 18, 2017 |
| Priority date | — |
| Expiry date | Mar 21, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B47/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An emergency system including an auxiliary power supply, a charging circuit, a brown-out circuit, and a controller unit. The auxiliary power supply connected to a device. The charging circuit having an input voltage, provided by a mains power supply, and an output, configured to provide power to the auxiliary power supply. The brown-out circuit operably connected to the charging circuit and configured to sample the input voltage. The control unit receiving the sampled input voltage and activating the device when a brown-out condition is detected, the detection based on the sampled input voltage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.