Power supply device
US11057974B2 · kind B2 · utility
0Cited by
7References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 19, 2018 |
| Grant date | Jul 6, 2021 |
| Priority date | — |
| Expiry date | Nov 19, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B47/105
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A power supply device includes: an input unit; a power supply unit that generates a supply voltage from a voltage input through the input unit (10); an output unit; an LED that generates a first output in response to input of a voltage to input terminal, the LED being disposed between the input terminal—and the fuse; an LED that generates a second output in response to input of a voltage to the power supply unit through the fuse, the LED being disposed between the fuse and the power supply unit; and an LED that generates a third output in response to output from power supply unit, the LED being connected to an output terminal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.