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
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)
  • Filters And Equalizers (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Inorganic Insulating Materials (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
DK95115737T DK0694983T3 (da) 1989-06-09 1990-06-07 Keramisk båndpasfilter
DK90110834.0T DK0401839T3 (da) 1989-06-09 1990-06-07 Keramisk båndpasfilter

Family Applications After (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 (da)
EP (2) EP0401839B1 (da)
JP (1) JPH03114301A (da)
AT (2) ATE190759T1 (da)
DE (2) DE69029761T2 (da)
DK (2) DK0694983T3 (da)

Families Citing this family (72)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5307036A (en) * 1989-06-09 1994-04-26 Lk-Products Oy Ceramic band-stop filter
US5103197A (en) * 1989-06-09 1992-04-07 Lk-Products Oy Ceramic band-pass 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.
FI88440C (fi) * 1991-06-25 1993-05-10 Lk Products Oy Keramiskt 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
FI88441C (fi) * 1991-06-25 1993-05-10 Lk Products Oy Temperaturkompenserat dielektriskt filter
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
US5896074A (en) * 1992-01-22 1999-04-20 Murata Manufacturing Co., Ltd. Dielectric filter
JP3293200B2 (ja) * 1992-04-03 2002-06-17 株式会社村田製作所 誘電体共振器
US5432489A (en) * 1992-03-09 1995-07-11 Lk-Products Oy Filter with strip lines
DE69323660T2 (de) * 1992-06-26 1999-10-21 Sanyo Electric Co., Ltd. Koaxialer Resonator und dielektrisches Filter mit einem derartigen Resonator
FI94298C (fi) * 1993-03-03 1995-08-10 Lk Products Oy Menetelmä ja kytkentä suodatintyypin vaihtamiseksi
FI99216C (fi) * 1993-07-02 1997-10-27 Lk Products Oy Dielektrinen suodatin
FI94191C (fi) * 1993-09-28 1995-07-25 Verdera Oy Koaksiaaliresonaattorirakenne
JP3230353B2 (ja) * 1993-11-18 2001-11-19 株式会社村田製作所 アンテナ共用器
US6008707A (en) * 1993-11-18 1999-12-28 Murata Manufacturing Co., Ltd. Antenna duplexer
JP2905094B2 (ja) * 1994-07-01 1999-06-14 富士通株式会社 分波器パッケージ
US5745018A (en) * 1996-07-09 1998-04-28 Motorola Inc. Ceramic filter with a coplanar shield
FI102430B1 (fi) * 1996-09-11 1998-11-30 Lk Products Oy Impedanssiaskelresonaattoreilla toteutettu suodatusratkaisu
JP3395675B2 (ja) * 1998-12-03 2003-04-14 株式会社村田製作所 帯域通過フィルタ、アンテナ共用器および通信装置
DE19903855B4 (de) * 1999-02-01 2010-04-15 Epcos Ag Antennenweiche
FI113576B (fi) 1999-05-19 2004-05-14 Adc Solitra Oy Suodatin
JP3613156B2 (ja) * 2000-01-18 2005-01-26 株式会社村田製作所 誘電体フィルタ、アンテナ共用器及び通信機装置
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
EP1763905A4 (en) 2004-06-28 2012-08-29 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
US8648752B2 (en) 2011-02-11 2014-02-11 Pulse Finland Oy Chassis-excited antenna apparatus and methods
US9673507B2 (en) 2011-02-11 2017-06-06 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
DE112017004774T5 (de) 2016-09-23 2019-06-13 Cts Corporation Keramischer hf-filter mit einer struktur zum blockieren von hf-signalkopplung
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

Family Cites Families (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2538614C3 (de) * 1974-09-06 1979-08-02 Murata Manufacturing Co., Ltd., Nagaokakyo, Kyoto (Japan) Dielektrischer Resonator
CA1128152A (en) * 1978-05-13 1982-07-20 Takuro Sato High frequency filter
JPS5761313A (en) * 1980-09-30 1982-04-13 Matsushita Electric Ind Co Ltd Band-pass filter for ultra-high frequency
JPS58114503A (ja) * 1981-12-26 1983-07-07 Fujitsu Ltd フイルタの結合構造
US4431977A (en) * 1982-02-16 1984-02-14 Motorola, Inc. Ceramic bandpass filter
JPS59101902A (ja) * 1982-12-03 1984-06-12 Fujitsu Ltd 誘電体フイルタ
JPS59119901A (ja) * 1982-12-27 1984-07-11 Fujitsu Ltd 誘電体帯域阻止フイルタ
JPS59125104U (ja) * 1983-02-10 1984-08-23 株式会社村田製作所 外部結合構造
IT1160736B (it) * 1983-03-18 1987-03-11 Telettra Lab Telefon Circuito risuonatore per un sistema di estrazione dal flusso di dati dell'oscillazione alla frequenza di temporizzazione
JPS60216601A (ja) * 1984-04-11 1985-10-30 Murata Mfg Co Ltd ストリツプラインフイルタ
US4742562A (en) * 1984-09-27 1988-05-03 Motorola, Inc. Single-block dual-passband ceramic filter useable with a transceiver
JPS61161806A (ja) * 1985-01-11 1986-07-22 Mitsubishi Electric Corp 高周波ろ波器
JPS61208902A (ja) * 1985-03-13 1986-09-17 Murata Mfg Co Ltd Ｍｉｃ型誘電体フイルタ
JPS61285801A (ja) * 1985-06-11 1986-12-16 Matsushita Electric Ind Co Ltd フイルタ
US4740765A (en) * 1985-09-30 1988-04-26 Murata Manufacturing Co., Ltd. Dielectric filter
JPS62120703A (ja) * 1985-11-20 1987-06-02 Fujitsu Ltd 誘電体フイルタの実装構造
JPS62141802A (ja) * 1985-12-16 1987-06-25 Murata Mfg Co Ltd 誘電体同軸共振器の固定構造
US4716391A (en) * 1986-07-25 1987-12-29 Motorola, Inc. Multiple resonator component-mountable filter
US4692726A (en) * 1986-07-25 1987-09-08 Motorola, Inc. Multiple resonator dielectric filter
US4954796A (en) * 1986-07-25 1990-09-04 Motorola, Inc. Multiple resonator dielectric filter
DE3751062T2 (de) * 1986-07-25 1996-01-18 Motorola Inc Filter, bestehend aus einer einbaubaren einheit mit mehreren resonatoren.
JPS6342501A (ja) * 1986-08-08 1988-02-23 Alps Electric Co Ltd マイクロ波バンドパスフイルタ
US4740705A (en) * 1986-08-11 1988-04-26 Electron Beam Memories Axially compact field emission cathode assembly
US4800347A (en) * 1986-09-04 1989-01-24 Murata Manufacturing Co., Ltd. Dielectric filter
JPS63124601A (ja) * 1986-11-14 1988-05-28 Oki Electric Ind Co Ltd 誘電体フイルタ
US4821006A (en) * 1987-01-17 1989-04-11 Murata Manufacturing Co., Ltd. Dielectric resonator apparatus
JPS6453601A (en) * 1987-02-06 1989-03-01 Nippon Chiyoutanpa Kk Band pass filter circuit
JPS63311801A (ja) * 1987-06-13 1988-12-20 Murata Mfg Co Ltd 誘電体フィルタ装置
US4800348A (en) * 1987-08-03 1989-01-24 Motorola, Inc. Adjustable electronic filter and method of tuning same
JPS6460006A (en) * 1987-08-31 1989-03-07 Oki Electric Ind Co Ltd Branching filter
FI78580C (fi) * 1987-11-23 1989-08-10 Solitra Oy Mikrobandkrets och foerfarandet att reglera dess egenskaper.
US4879533A (en) * 1988-04-01 1989-11-07 Motorola, Inc. Surface mount filter with integral transmission line connection
US4965537A (en) * 1988-06-06 1990-10-23 Motorola Inc. Tuneless monolithic ceramic filter manufactured by using an art-work mask process
US4823098A (en) * 1988-06-14 1989-04-18 Motorola, Inc. Monolithic ceramic filter with bandstop function
JPH07105644B2 (ja) * 1988-10-18 1995-11-13 沖電気工業株式会社 有極型誘電体フィルタ
US4896124A (en) * 1988-10-31 1990-01-23 Motorola, Inc. Ceramic filter having integral phase shifting network
JPH0812961B2 (ja) * 1989-05-02 1996-02-07 株式会社村田製作所 並列多段型帯域通過フィルタ
US5103197A (en) * 1989-06-09 1992-04-07 Lk-Products Oy Ceramic band-pass filter
US5109536A (en) * 1989-10-27 1992-04-28 Motorola, Inc. Single-block filter for antenna duplexing and antenna-summed diversity
US5010309A (en) * 1989-12-22 1991-04-23 Motorola, Inc. Ceramic block filter with co-fired coupling pins
US5130683A (en) * 1991-04-01 1992-07-14 Motorola, Inc. Half wave resonator dielectric filter construction having self-shielding top and bottom surfaces

Also Published As

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

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