Patent · US Active

Circulator device with two magnet-free circulators

US10505247B2 · kind B2 · utility

0Cited by

2References

22Claims

0Family size

Assignee

Telefonaktiebolaget LM Ericsson (Publ) · SE

Inventors

Rui Hou · Järfälla, SE
Lars Ridell Virtanen · Gävle, SE

Key dates

Filing date	Apr 19, 2019
Grant date	Dec 10, 2019
Priority date	—
Expiry date	Apr 19, 2039

Classification

Technology area (CPC H)Electricity
CPC primaryH04B1/40
WIPO fieldTelecommunications
WIPO sectorElectrical engineering

Abstract

There is provided a circulator device. The circulator device comprises two magnet-free circulators. Each magnet-free circulator has a forced time variance. The circulator device comprises ports. The two circulators are in the circulator device arranged to have mutually anti-phase time variance. Each of the two circulators is coupled to all of the ports. There is also presented an isolator device comprising such a circulator device. There is also presented a radio transceiver device comprising such a circulator device or isolator device.

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