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:
Jun. 15, 2004
Filed:
Mar. 11, 2002
Thomas Emanuelsson, Västra Frölunda, SE;
Telefonaktiebolaget LM Ericsson (publ), Stockholm, SE;
Abstract
Circulator unit comprising a first member ( ) in a first dielectric layer ( ) and a second member ( ) in second dielectric layer ( ) both members being of ferro-electric material and arranged adjacent to one another, a conductive circulator pattern ( ) printed on the first or second member and arranged between the first and the second member. The first substrate extends beyond the second substrate on an area where a first set of terminals is provided rendering the first set of terminals accessible. The second member extends beyond the first member on an area where a second set of terminals is provided rendering the second set of terminals accessible. The unit comprises first ( ) and second ground ( ) conductors arranged on each side of the first and second members and furthermore comprises at least one magnet ( ) or coil for providing magnetic field through the first and second member.