EP 2797161 B1 20151209 - Microwave filter with dielectric element
Title (en)
Microwave filter with dielectric element
Title (de)
Hyperfrequenzfilter mit dielektrischem Element
Title (fr)
Filtre hyperfréquence avec élément diélectrique
Publication
Application
Priority
FR 1300974 A 20130426
Abstract (en)
[origin: CA2849854A1] The invention relates to a radiofrequency filter (10) exhibiting at least one resonant mode comprising: - at least one cavity (11) at least partially closed using conductive walls (12) and, - having a cylindrical outer surface defined by a directing curve (C) described by a generatrix and having a point of symmetry (Sy), an axis passing through a point of symmetry and parallel to said generatrix being called longitudinal axis (z) of said cavity (11) and, - at least one dielectric element (13) arranged in said cavity and comprising: - a first portion (131) having a thickness (e) according to said longitudinal axis (z) and a section according to a plane perpendicular to said longitudinal axis (z) whose vertices (s1, s2, s3, s4) are distributed according to a polygon, and of which at least two vertices are short-circuited between them by said conductive walls (12) of said cavity, via an electrical or radiofrequency contact between said vertices and said walls, - at least one pyramidal portion (132, 133) comprising an apex (Asup) and a base coinciding with an extreme section of said first portion (131).
IPC 8 full level
H01P 1/208 (2006.01)
CPC (source: EP US)
H01P 1/2086 (2013.01 - EP US); H01P 1/219 (2013.01 - US); H01P 7/10 (2013.01 - US)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
EP 2797161 A1 20141029; EP 2797161 B1 20151209; CA 2849854 A1 20141026; CA 2849854 C 20210601; ES 2561384 T3 20160225; FR 3005209 A1 20141031; FR 3005209 B1 20150410; US 2014320237 A1 20141030; US 9666924 B2 20170530
DOCDB simple family (application)
EP 14164871 A 20140416; CA 2849854 A 20140425; ES 14164871 T 20140416; FR 1300974 A 20130426; US 201414260791 A 20140424