DE69033490D1 - Keramischer Bandfilter - Google Patents

Keramischer Bandfilter

Info

Publication number
DE69033490D1
DE69033490D1 DE69033490T DE69033490T DE69033490D1 DE 69033490 D1 DE69033490 D1 DE 69033490D1 DE 69033490 T DE69033490 T DE 69033490T DE 69033490 T DE69033490 T DE 69033490T DE 69033490 D1 DE69033490 D1 DE 69033490D1
Authority
DE
Germany
Prior art keywords
filter
band filter
capacitive
coated
ceramic band
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69033490T
Other languages
English (en)
Other versions
DE69033490T2 (de
Inventor
Aimo Turunen
Pauli Naeppae
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pulse Finland Oy
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 FI892855A external-priority patent/FI87406C/fi
Priority claimed from FI892856A external-priority patent/FI87407C/fi
Application filed by LK Products Oy filed Critical LK Products Oy
Application granted granted Critical
Publication of DE69033490D1 publication Critical patent/DE69033490D1/de
Publication of DE69033490T2 publication Critical patent/DE69033490T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
  • Inorganic Insulating Materials (AREA)
  • Compositions Of Oxide Ceramics (AREA)
DE69033490T 1989-06-09 1990-06-07 Keramischer Bandfilter Expired - Fee Related DE69033490T2 (de)

Applications Claiming Priority (2)

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

Publications (2)

Publication Number Publication Date
DE69033490D1 true DE69033490D1 (de) 2000-04-20
DE69033490T2 DE69033490T2 (de) 2000-12-14

Family

ID=26158567

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69033490T Expired - Fee Related DE69033490T2 (de) 1989-06-09 1990-06-07 Keramischer Bandfilter
DE69029761T Expired - Fee Related DE69029761T2 (de) 1989-06-09 1990-06-07 Keramischer Bandpassfilter

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69029761T Expired - Fee Related DE69029761T2 (de) 1989-06-09 1990-06-07 Keramischer Bandpassfilter

Country Status (6)

Country Link
US (2) US5103197A (de)
EP (2) EP0694983B1 (de)
JP (1) JPH03114301A (de)
AT (2) ATE148269T1 (de)
DE (2) DE69033490T2 (de)
DK (2) DK0401839T3 (de)

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FI87853C (fi) * 1991-04-12 1993-02-25 Lk Products Oy Keramiskt spaerrfilter
US5103197A (en) * 1989-06-09 1992-04-07 Lk-Products Oy Ceramic band-pass filter
US5307036A (en) * 1989-06-09 1994-04-26 Lk-Products Oy Ceramic band-stop filter
US5130683A (en) * 1991-04-01 1992-07-14 Motorola, Inc. Half wave resonator dielectric filter construction having self-shielding top and bottom surfaces
JPH04304003A (ja) * 1991-04-01 1992-10-27 Murata Mfg Co Ltd 共用器
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
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
FI88440C (fi) * 1991-06-25 1993-05-10 Lk Products Oy 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
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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 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
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US6008707A (en) * 1993-11-18 1999-12-28 Murata Manufacturing Co., Ltd. Antenna duplexer
JP3230353B2 (ja) * 1993-11-18 2001-11-19 株式会社村田製作所 アンテナ共用器
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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
FI118748B (fi) * 2004-06-28 2008-02-29 Pulse Finland Oy Pala-antenni
WO2006000650A1 (en) 2004-06-28 2006-01-05 Pulse Finland Oy Antenna component
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
US9948002B2 (en) 2014-08-26 2018-04-17 Pulse Finland Oy Antenna apparatus with an integrated proximity sensor and methods
US9973228B2 (en) 2014-08-26 2018-05-15 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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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
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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
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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
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.
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US4692726A (en) * 1986-07-25 1987-09-08 Motorola, Inc. Multiple resonator dielectric filter
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
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JPS6453601A (en) * 1987-02-06 1989-03-01 Nippon Chiyoutanpa Kk Band pass filter circuit
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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.
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US4965537A (en) * 1988-06-06 1990-10-23 Motorola Inc. Tuneless monolithic ceramic filter manufactured by using an art-work mask process
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Also Published As

Publication number Publication date
DK0401839T3 (da) 1997-02-10
EP0694983A1 (de) 1996-01-31
ATE148269T1 (de) 1997-02-15
DE69033490T2 (de) 2000-12-14
JPH03114301A (ja) 1991-05-15
EP0694983B1 (de) 2000-03-15
EP0401839A3 (de) 1991-01-23
US5103197A (en) 1992-04-07
DE69029761T2 (de) 1997-06-05
ATE190759T1 (de) 2000-04-15
DK0694983T3 (da) 2000-06-05
EP0401839B1 (de) 1997-01-22
USRE34898E (en) 1995-04-11
EP0401839A2 (de) 1990-12-12
DE69029761D1 (de) 1997-03-06

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: FILTRONIC LK OY., KEMPELE, FI

8327 Change in the person/name/address of the patent owner

Owner name: LK PRODUCTS OY, KEMPELE, FI

8327 Change in the person/name/address of the patent owner

Owner name: PULSE FINLAND OY, KEMPELE, FI

8339 Ceased/non-payment of the annual fee