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:
Nov. 24, 2009
Filed:
May. 04, 2006
Rune Johansson, Upplands Vasby, SE;
Daniel Källberg, Bromma, SE;
Rune Johansson, Upplands Vasby, SE;
Daniel Källberg, Bromma, SE;
Telefonaktiebolaget L M Ericsson (Publ), Stockholm, SE;
Abstract
The invention presents a filter combiner, in particular for mobile communications applications, adapted to be connected to an antenna (), comprising a first directional coupler (), connected to at least one first filter (), to an antenna branch (), to at least one second filter (), and to a first signal branch (), the combiner also comprising a second directional coupler (), connected to the at least one first filter (), to a second signal branch (), and to the at least one second filter (). Further, the first directional coupler () is adapted to be connected to the first signal branch () via at least one third filter ().