RF controlled switch box without using neutral wire and a power harvesting switch circuit thereof
US9961749B1 · kind B1 · utility
2Cited by
4References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 12, 2017 |
| Grant date | May 1, 2018 |
| Priority date | — |
| Expiry date | Apr 12, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10D30/64
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A power harvesting switch circuit includes a main switch and a voltage extractor connected in series between Line wire and switch wire. The main switch includes a first power MOSFET and a second power MOSFET connected in series. The voltage extractor includes a first Zener diode and a second Zener diode connected in series but in opposite directions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.