Patent · US Expired

Noise suppression filter

US3996537A · kind A · utility

14Cited by
2References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 21, 1975
Grant dateDec 7, 1976
Priority date
Expiry dateJul 21, 1995

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03H7/09
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

A two line power filter for digital equipment or the like comprising a pair of toroidal cores on both of which both wires are wound, on one in flux adding relationship and on the other in flux opposing or cancelling relationship in reference to the primary power supply, together with capacitive shunts between the wires and from the wires to ground to filter out both common mode and differential mode noise.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.