Global Patent Index - EP 0187579 B1

EP 0187579 B1 19890510 - ELECTROMAGNETIC RESONATORS AND FILTERS COMPRISING SUCH RESONATORS

Title (en)

ELECTROMAGNETIC RESONATORS AND FILTERS COMPRISING SUCH RESONATORS

Publication

EP 0187579 B1 19890510 (FR)

Application

EP 85402432 A 19851206

Priority

FR 8418640 A 19841206

Abstract (en)

[origin: EP0187579A1] 1. A quarter wave electromagnetic resonator of the type comprising a dielectric bar with a polygonal section having two end faces and at least four principal faces, delimited by the said polygonal section, said bar being placed between at least two electrodes connected by a short circuit means with one of their ends, the electrodes and their short circuit means forming part of an armature in the for of a letter U, characterized in that the electrodes only partially cover the principal faces of the bar which are adjacent to them.

IPC 1-7

H01P 7/02; H01P 7/08; H01P 7/10

IPC 8 full level

H01P 7/02 (2006.01); H01P 7/08 (2006.01); H01P 7/10 (2006.01)

CPC (source: EP)

H01P 7/02 (2013.01); H01P 7/08 (2013.01); H01P 7/10 (2013.01)

Designated contracting state (EPC)

DE GB IT NL SE

DOCDB simple family (publication)

EP 0187579 A1 19860716; EP 0187579 B1 19890510; DE 3570156 D1 19890615

DOCDB simple family (application)

EP 85402432 A 19851206; DE 3570156 T 19851206