Patent ID: 8260242
Filing Date: 2012-09-04
Classification: H01P

Abstract:
1. A bandpass filter comprising: a laminated body comprising a plurality of dielectric layers and interlayers including a first interlayer, a second interlayer and a third interlayer located on a opposite side of the second interlayer of the laminated body from the first interlayer; a plurality of strip-shaped resonant electrodes in the first inter-layer, comprising: wherein the plurality of resonant electrodes is arranged in parallel and is configured to electromagnetically couple to each other; and each comprises a ground end connected to a ground potential and an open end, wherein the open ends and the ground ends are alternately arranged; a strip-shaped input coupling electrode in the second interlayer, comprising: a strip-shaped output coupling electrode in the second interlayer, comprising: a coupling conductor in the third interlayer, comprising: