EMC protection circuit
US8144444B2 · kind B2 · utility
3Cited by
15References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 12, 2008 |
| Grant date | Mar 27, 2012 |
| Priority date | — |
| Expiry date | Mar 28, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02H11/003
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A protection circuit for protecting an electronic circuit against EMC disturbances and/or negative transient overvoltage pulses comprises a switch in series between a power supply and the electronic circuit to be protected; a comparator for comparing a first operating parameter with a second operating parameter and producing a comparison signal, the comparison signal being used as a control signal for controlling opening and closing of the switch; and a delay circuit adapted for delaying closing of the switch. A corresponding method is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.