DK0694983T3 - Keramisk båndpasfilter - Google Patents

Keramisk båndpasfilter

Info

Publication number
DK0694983T3
DK0694983T3 DK95115737T DK95115737T DK0694983T3 DK 0694983 T3 DK0694983 T3 DK 0694983T3 DK 95115737 T DK95115737 T DK 95115737T DK 95115737 T DK95115737 T DK 95115737T DK 0694983 T3 DK0694983 T3 DK 0694983T3
Authority
DK
Denmark
Prior art keywords
filter
bandpass filter
capacitive
coated
conductive material
Prior art date
Application number
DK95115737T
Other languages
Danish (da)
English (en)
Inventor
Aimo Turunen
Pauli Noppo
Original Assignee
Lk Products Oy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from FI892856A external-priority patent/FI87407C/fi
Priority claimed from FI892855A external-priority patent/FI87406C/fi
Application filed by Lk Products Oy filed Critical Lk Products Oy
Application granted granted Critical
Publication of DK0694983T3 publication Critical patent/DK0694983T3/da

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/20—Frequency-selective devices, e.g. filters
    • H01P1/201—Filters for transverse electromagnetic waves
    • H01P1/205—Comb or interdigital filters; Cascaded coaxial cavities
    • H01P1/2056—Comb filters or interdigital filters with metallised resonator holes in a dielectric block

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Inorganic Insulating Materials (AREA)
  • Filters And Equalizers (AREA)
  • Compositions Of Oxide Ceramics (AREA)
DK95115737T 1989-06-09 1990-06-07 Keramisk båndpasfilter DK0694983T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI892856A FI87407C (fi) 1989-06-09 1989-06-09 Bandpassfilter
FI892855A FI87406C (fi) 1989-06-09 1989-06-09 Bandpassfilter

Publications (1)

Publication Number Publication Date
DK0694983T3 true DK0694983T3 (da) 2000-06-05

Family

ID=26158567

Family Applications (2)

Application Number Title Priority Date Filing Date
DK90110834.0T DK0401839T3 (da) 1989-06-09 1990-06-07 Keramisk båndpasfilter
DK95115737T DK0694983T3 (da) 1989-06-09 1990-06-07 Keramisk båndpasfilter

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DK90110834.0T DK0401839T3 (da) 1989-06-09 1990-06-07 Keramisk båndpasfilter

Country Status (6)

Country Link
US (2) US5103197A (ja)
EP (2) EP0401839B1 (ja)
JP (1) JPH03114301A (ja)
AT (2) ATE148269T1 (ja)
DE (2) DE69029761T2 (ja)
DK (2) DK0401839T3 (ja)

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US5307036A (en) * 1989-06-09 1994-04-26 Lk-Products Oy Ceramic band-stop filter
FI87853C (fi) * 1991-04-12 1993-02-25 Lk Products Oy Keramiskt spaerrfilter
JPH04304003A (ja) * 1991-04-01 1992-10-27 Murata Mfg Co Ltd 共用器
US5130683A (en) * 1991-04-01 1992-07-14 Motorola, Inc. Half wave resonator dielectric filter construction having self-shielding top and bottom surfaces
FI86673C (fi) * 1991-04-12 1992-09-25 Lk Products Oy Keramiskt duplexfilter.
FI90158C (fi) * 1991-06-25 1993-12-27 Lk Products Oy Oevertonsfrekvensfilter avsett foer ett keramiskt filter
FI88443C (fi) * 1991-06-25 1993-05-10 Lk Products Oy Strukturen hos ett keramiskt filter
FI88441C (fi) * 1991-06-25 1993-05-10 Lk Products Oy Temperaturkompenserat dielektriskt filter
FI88442C (fi) * 1991-06-25 1993-05-10 Lk Products Oy Foerfarande foer foerskjutning av den karakteristika kurvan av en resonator i frekvensplanet och en resonatorkonstruktion
FI88440C (fi) * 1991-06-25 1993-05-10 Lk Products Oy Keramiskt filter
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DE10042229A1 (de) * 2000-08-28 2002-03-28 Epcos Ag Elektrisches Bauelement, Verfahren zu dessen Herstellung und dessen Verwendung
US6898419B1 (en) * 2001-04-30 2005-05-24 Nortel Networks Corporation Remotely adjustable bandpass filter
US6904666B2 (en) * 2003-07-31 2005-06-14 Andrew Corporation Method of manufacturing microwave filter components and microwave filter components formed thereby
WO2006000650A1 (en) 2004-06-28 2006-01-05 Pulse Finland Oy Antenna component
FI118748B (fi) * 2004-06-28 2008-02-29 Pulse Finland Oy Pala-antenni
FI20041455A (fi) * 2004-11-11 2006-05-12 Lk Products Oy Antennikomponentti
FI20055420A0 (fi) * 2005-07-25 2005-07-25 Lk Products Oy Säädettävä monikaista antenni
FI119009B (fi) 2005-10-03 2008-06-13 Pulse Finland Oy Monikaistainen antennijärjestelmä
FI118782B (fi) 2005-10-14 2008-03-14 Pulse Finland Oy Säädettävä antenni
FI119577B (fi) * 2005-11-24 2008-12-31 Pulse Finland Oy Monikaistainen antennikomponentti
US8618990B2 (en) 2011-04-13 2013-12-31 Pulse Finland Oy Wideband antenna and methods
SE530361C2 (sv) * 2006-09-14 2008-05-13 Powerwave Technologies Sweden En RF-filtermodul
US10211538B2 (en) 2006-12-28 2019-02-19 Pulse Finland Oy Directional antenna apparatus and methods
FI20075269A0 (fi) 2007-04-19 2007-04-19 Pulse Finland Oy Menetelmä ja järjestely antennin sovittamiseksi
FI120427B (fi) 2007-08-30 2009-10-15 Pulse Finland Oy Säädettävä monikaista-antenni
FI20096134A0 (fi) 2009-11-03 2009-11-03 Pulse Finland Oy Säädettävä antenni
FI20096251A0 (sv) 2009-11-27 2009-11-27 Pulse Finland Oy MIMO-antenn
US8847833B2 (en) * 2009-12-29 2014-09-30 Pulse Finland Oy Loop resonator apparatus and methods for enhanced field control
FI20105158A (fi) 2010-02-18 2011-08-19 Pulse Finland Oy Kuorisäteilijällä varustettu antenni
US9406998B2 (en) 2010-04-21 2016-08-02 Pulse Finland Oy Distributed multiband antenna and methods
FI20115072A0 (fi) 2011-01-25 2011-01-25 Pulse Finland Oy Moniresonanssiantenni, -antennimoduuli ja radiolaite
US9673507B2 (en) 2011-02-11 2017-06-06 Pulse Finland Oy Chassis-excited antenna apparatus and methods
US8648752B2 (en) 2011-02-11 2014-02-11 Pulse Finland Oy Chassis-excited antenna apparatus and methods
US8866689B2 (en) 2011-07-07 2014-10-21 Pulse Finland Oy Multi-band antenna and methods for long term evolution wireless system
US9450291B2 (en) 2011-07-25 2016-09-20 Pulse Finland Oy Multiband slot loop antenna apparatus and methods
US9123990B2 (en) 2011-10-07 2015-09-01 Pulse Finland Oy Multi-feed antenna apparatus and methods
US9531058B2 (en) 2011-12-20 2016-12-27 Pulse Finland Oy Loosely-coupled radio antenna apparatus and methods
US9484619B2 (en) 2011-12-21 2016-11-01 Pulse Finland Oy Switchable diversity antenna apparatus and methods
US8988296B2 (en) 2012-04-04 2015-03-24 Pulse Finland Oy Compact polarized antenna and methods
US9979078B2 (en) 2012-10-25 2018-05-22 Pulse Finland Oy Modular cell antenna apparatus and methods
US10069209B2 (en) 2012-11-06 2018-09-04 Pulse Finland Oy Capacitively coupled antenna apparatus and methods
US10079428B2 (en) 2013-03-11 2018-09-18 Pulse Finland Oy Coupled antenna structure and methods
US9647338B2 (en) 2013-03-11 2017-05-09 Pulse Finland Oy Coupled antenna structure and methods
US9634383B2 (en) 2013-06-26 2017-04-25 Pulse Finland Oy Galvanically separated non-interacting antenna sector apparatus and methods
US9680212B2 (en) 2013-11-20 2017-06-13 Pulse Finland Oy Capacitive grounding methods and apparatus for mobile devices
US9590308B2 (en) 2013-12-03 2017-03-07 Pulse Electronics, Inc. Reduced surface area antenna apparatus and mobile communications devices incorporating the same
US9350081B2 (en) 2014-01-14 2016-05-24 Pulse Finland Oy Switchable multi-radiator high band antenna apparatus
US9973228B2 (en) 2014-08-26 2018-05-15 Pulse Finland Oy Antenna apparatus with an integrated proximity sensor and methods
US9948002B2 (en) 2014-08-26 2018-04-17 Pulse Finland Oy Antenna apparatus with an integrated proximity sensor and methods
US9722308B2 (en) 2014-08-28 2017-08-01 Pulse Finland Oy Low passive intermodulation distributed antenna system for multiple-input multiple-output systems and methods of use
US9906260B2 (en) 2015-07-30 2018-02-27 Pulse Finland Oy Sensor-based closed loop antenna swapping apparatus and methods
WO2018057722A1 (en) 2016-09-23 2018-03-29 Cts Corporation Ceramic rf filter with structure for blocking rf signal coupling
US10778261B2 (en) * 2017-06-14 2020-09-15 Harris Corporation Electronic device including radio frequency (RF) filter module with stacked coaxial resonators and related methods
US11038605B1 (en) * 2020-01-28 2021-06-15 Nxp B.V. Vehicle radio interference sensor
CN111465182B (zh) * 2020-03-26 2023-03-24 重庆思睿创瓷电科技有限公司 一种滤波器组装方法

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Also Published As

Publication number Publication date
US5103197A (en) 1992-04-07
USRE34898E (en) 1995-04-11
ATE148269T1 (de) 1997-02-15
DE69033490D1 (de) 2000-04-20
EP0694983A1 (en) 1996-01-31
DK0401839T3 (da) 1997-02-10
DE69033490T2 (de) 2000-12-14
DE69029761D1 (de) 1997-03-06
EP0401839A2 (en) 1990-12-12
DE69029761T2 (de) 1997-06-05
EP0401839B1 (en) 1997-01-22
JPH03114301A (ja) 1991-05-15
EP0694983B1 (en) 2000-03-15
EP0401839A3 (en) 1991-01-23
ATE190759T1 (de) 2000-04-15

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