Patent · US Active

Electromagnetic interference suppression circuit and intelligent electronic device

US12424566B2 · kind B2 · utility

0Cited by
2References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 10, 2022
Grant dateSep 23, 2025
Priority date
Expiry dateJul 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.