公开(公告)号：US20220328947A1

公开(公告)日：2022-10-13

申请号：US17706080

申请日：2022-03-28

Applicant: NOKIA SOLUTIONS AND NETWORKS OY

Inventor： Kimmo Kalervo KARHU

IPC: H01P1/208

Abstract: An apparatus comprising: at least one cavity filter element wherein the cavity filter element comprises a first support, a second support distinct from the first support, and a coupling element supported by the first support and the second support. In some examples, there is a series of cavity filter elements. In some examples, the cavity filter element(s) are part of a cavity filter.

公开(公告)号：US20170250678A1

公开(公告)日：2017-08-31

申请号：US15511899

申请日：2014-10-27

Applicant: Nokia Solutions and Networks Oy

Inventor： Tero-Anssi JUNTUNEN ,  Veikko Sakari LUKKARI ,  Marko Tapio Oskari ISOMAKI ,  Timo Markus KARHU ,  Tuomo Teuvo Tapani RATY ,  Jarno Mikael HOLOPAINEN ,  Kimmo Kalervo KARHU ,  Jukka KILPELAINEN

IPC: H03J3/12 ,  H01P1/201

CPC classification number: H03J3/12 ,  H01P1/201 ,  H01P1/2053 ,  H01P1/2056 ,  H03J3/00

Abstract: There is provided a method, including obtaining information indicating at least one reference characteristic; obtaining input data, the input data relating to the output of the tunable filter; determining, based on the input data, at least one characteristic of the tunable filter; upon detecting that the at least one determined characteristic does not match with the at least one reference characteristic, determining tuning instructions for the tunable filter; and applying the tuning instructions in adjusting the tunable filter.