The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 23, 2019
Filed:
Apr. 22, 2016
Applicant:
Telefonaktiebolaget Lm Ericsson (Publ), Stockholm, SE;
Inventors:
Rui Hou, Schipluiden, NL;
Lars Ridell Virtanen, Gävle, SE;
Assignee:
TELEFONAKTIEBOLAGET LM ERICSSON (PUBL), Stockholm, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01P 1/38 (2006.01); H01P 1/36 (2006.01); H03H 7/52 (2006.01); H04B 1/00 (2006.01); H04B 1/40 (2015.01);
U.S. Cl.
CPC ...
H01P 1/38 (2013.01); H01P 1/36 (2013.01); H03H 7/52 (2013.01); H04B 1/00 (2013.01); H04B 1/40 (2013.01);
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.