DE69218675D1 - Dielektrisches Filter - Google Patents

Dielektrisches Filter

Info

Publication number
DE69218675D1
DE69218675D1 DE69218675T DE69218675T DE69218675D1 DE 69218675 D1 DE69218675 D1 DE 69218675D1 DE 69218675 T DE69218675 T DE 69218675T DE 69218675 T DE69218675 T DE 69218675T DE 69218675 D1 DE69218675 D1 DE 69218675D1
Authority
DE
Germany
Prior art keywords
dielectric filter
dielectric
filter
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
DE69218675T
Other languages
English (en)
Other versions
DE69218675T2 (de
Inventor
Aimo Turunen
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.)
Powerwave Comtek 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
Application filed by LK Products Oy filed Critical LK Products Oy
Application granted granted Critical
Publication of DE69218675D1 publication Critical patent/DE69218675D1/de
Publication of DE69218675T2 publication Critical patent/DE69218675T2/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
    • H01P1/212—Frequency-selective devices, e.g. filters suppressing or attenuating harmonic frequencies
    • 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)
DE69218675T 1991-06-25 1992-06-19 Dielektrisches Filter Expired - Fee Related DE69218675T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI913084A FI90158C (fi) 1991-06-25 1991-06-25 Oevertonsfrekvensfilter avsett foer ett keramiskt filter

Publications (2)

Publication Number Publication Date
DE69218675D1 true DE69218675D1 (de) 1997-05-07
DE69218675T2 DE69218675T2 (de) 1997-10-02

Family

ID=8532787

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69218675T Expired - Fee Related DE69218675T2 (de) 1991-06-25 1992-06-19 Dielektrisches Filter

Country Status (7)

Country Link
US (1) US5319328A (de)
EP (1) EP0520699B1 (de)
JP (1) JPH05191107A (de)
AU (1) AU660025B2 (de)
CA (1) CA2071586A1 (de)
DE (1) DE69218675T2 (de)
FI (1) FI90158C (de)

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SE513813C2 (sv) * 1993-02-05 2000-11-06 Ericsson Ge Mobile Communicat Anordning med SAW-filter för duplexöverföring
DE4319241A1 (de) * 1993-06-09 1994-12-15 Siemens Matsushita Components Monolithisches Mikrowellen-Keramikfilter
JP2897678B2 (ja) * 1995-03-22 1999-05-31 株式会社村田製作所 誘電体共振器及び高周波帯域通過フィルタ装置
JP3064863B2 (ja) * 1995-05-19 2000-07-12 株式会社村田製作所 誘電体フィルタ
US5834994A (en) * 1997-01-17 1998-11-10 Motorola Inc. Multilayer lowpass filter with improved ground plane configuration
US5818313A (en) * 1997-01-31 1998-10-06 Motorola Inc. Multilayer lowpass filter with single point ground plane configuration
JPH11312902A (ja) * 1998-04-30 1999-11-09 Murata Mfg Co Ltd 誘電体フィルタ、送受共用器および通信機
EP1763905A4 (de) 2004-06-28 2012-08-29 Pulse Finland Oy Antennenkomponente
FI20055420A0 (fi) 2005-07-25 2005-07-25 Lk Products Oy Säädettävä monikaista antenni
DE602005022864D1 (de) * 2005-09-06 2010-09-23 Panasonic Corp Temperaturkompensation von Kammleitungsformresonatoren mit zusammentgesetztem Innenleiter
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
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
US9224728B2 (en) * 2010-02-26 2015-12-29 Littelfuse, Inc. Embedded protection against spurious electrical events
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
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
DE112017004774T5 (de) 2016-09-23 2019-06-13 Cts Corporation Keramischer hf-filter mit einer struktur zum blockieren von hf-signalkopplung

Family Cites Families (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE909755C (de) * 1945-02-16 1954-04-26 Rohde & Schwarz Wellenfilter fuer kurze elektrische Wellen, das in Kettenschaltung bekannter Art aufgebaut ist
GB1218428A (en) * 1968-07-12 1971-01-06 Colchester Tillage Ltd Improvements relating to quick release extension wheel fasteners
CA967734A (en) * 1972-02-14 1975-05-20 Northern Electric Company Limited Method of controlling the characteristics impedance of coaxial cables
CH552304A (de) * 1973-07-19 1974-07-31 Patelhold Patentverwertung Filter fuer elektromagnetische wellen.
DE2412759C3 (de) * 1974-03-16 1978-08-10 Richard Hirschmann Radiotechnisches Werk, 7300 Esslingen Hochfrequenzfilter mit gemeinsam kapazitiv abstimmbaren Resonanzkreisen
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
JPS55141802A (en) * 1979-04-23 1980-11-06 Alps Electric Co Ltd Lambda/4 type resonator
US4464640A (en) * 1981-10-02 1984-08-07 Murata Manufacturing Co., Ltd. Distribution constant type filter
JPS58105602A (ja) * 1981-12-18 1983-06-23 Fujitsu Ltd 誘電体フイルタ
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
JPS58168302A (ja) * 1982-03-30 1983-10-04 Fujitsu Ltd 分波器
JPS59101902A (ja) * 1982-12-03 1984-06-12 Fujitsu Ltd 誘電体フイルタ
JPS59117302A (ja) * 1982-12-23 1984-07-06 Fujitsu Ltd フィルタ
JPS59125104U (ja) * 1983-02-10 1984-08-23 株式会社村田製作所 外部結合構造
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
US4680560A (en) * 1985-04-03 1987-07-14 Murata Manufacturing Co., Ltd. Electrical filter device
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
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
JPS62235801A (ja) * 1986-04-05 1987-10-16 Fuji Elelctrochem Co Ltd 一体型誘電体共用器
US4954796A (en) * 1986-07-25 1990-09-04 Motorola, Inc. Multiple resonator dielectric filter
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
US4800347A (en) * 1986-09-04 1989-01-24 Murata Manufacturing Co., Ltd. Dielectric filter
US4821006A (en) * 1987-01-17 1989-04-11 Murata Manufacturing Co., Ltd. Dielectric resonator apparatus
US4745379A (en) * 1987-02-25 1988-05-17 Rockwell International Corp. Launcher-less and lumped capacitor-less ceramic comb-line filters
US4942377A (en) * 1987-05-29 1990-07-17 Murata Manufacturing Co., Ltd. Rod type dielectric resonating device with coupling plates
JPS63312701A (ja) * 1987-06-15 1988-12-21 Murata Mfg Co Ltd 誘電体フィルタ
US4800348A (en) * 1987-08-03 1989-01-24 Motorola, Inc. Adjustable electronic filter and method of tuning same
US4901044A (en) * 1988-01-13 1990-02-13 Taiyo Yuden Co., Ltd. Distributed-constant filter
JPH0294901A (ja) * 1988-09-30 1990-04-05 Toko Inc 誘電体フィルタとその製造方法
DE3906286A1 (de) * 1989-02-28 1990-08-30 Siemens Ag Keramik-mikrowellenfilter mit apertur-gekoppelten keramischen resonatoren mit versteilerter resonanzkurve
GB2234398B (en) * 1989-06-08 1994-06-15 Murata Manufacturing Co Dielectric filter
US5103197A (en) * 1989-06-09 1992-04-07 Lk-Products Oy Ceramic band-pass filter
GB2234399B (en) * 1989-06-21 1993-12-15 Murata Manufacturing Co Dielectric filter
GB2236432B (en) * 1989-09-30 1994-06-29 Kyocera Corp Dielectric filter
JPH03209901A (ja) * 1990-01-12 1991-09-12 Matsushita Electric Ind Co Ltd 誘電体フィルタ
US5023579A (en) * 1990-07-10 1991-06-11 Radio Frequency Systems, Inc. Integrated bandpass/lowpass filter

Also Published As

Publication number Publication date
DE69218675T2 (de) 1997-10-02
FI913084A (fi) 1992-12-26
AU1855192A (en) 1993-01-07
FI913084A0 (fi) 1991-06-25
US5319328A (en) 1994-06-07
FI90158B (fi) 1993-09-15
AU660025B2 (en) 1995-06-08
CA2071586A1 (en) 1992-12-26
EP0520699A1 (de) 1992-12-30
FI90158C (fi) 1993-12-27
JPH05191107A (ja) 1993-07-30
EP0520699B1 (de) 1997-04-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee
8327 Change in the person/name/address of the patent owner

Owner name: FILTRONIC LK OY., KEMPELE, FI