Hybrid relay circuit having electromagnetic relay for switching AC power supply
US4767944A · kind A · utility
16Cited by
9References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 20, 1987 |
| Grant date | Aug 30, 1988 |
| Priority date | — |
| Expiry date | Jul 20, 2007 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H9/56
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
In a hybrid relay circuit for supplying current to a load with a AC power supply, an electromagnetic relay is provided and the contact thereof is connected in series to the load and the AC power. The electromagnetic relay is driven by a driving circuit in accordance with an input control signal, thereby switching the supply of current to the load.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.