Electromagnetic interference suppression circuit and intelligent electronic device
US12424566B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 10, 2022 |
| Grant date | Sep 23, 2025 |
| Priority date | — |
| Expiry date | Jul 13, 2044 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03H1/0007
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
Provided in the embodiments are an electromagnetic interference suppression circuit and an intelligent electronic device. The electromagnetic interference suppression circuit comprises at least one ferrite bead located at the input port of the circuit, a transient voltage suppression diode, wherein either terminal of the transient voltage suppression diode is connected with the at least one ferrite bead, a resistor network connected with the transient voltage suppression diode, and an optocoupler with an alternating current input response coupled to resistor network.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.