DE69712802D1 - Dielektrisches Filter - Google Patents

Dielektrisches Filter

Info

Publication number
DE69712802D1
DE69712802D1 DE69712802T DE69712802T DE69712802D1 DE 69712802 D1 DE69712802 D1 DE 69712802D1 DE 69712802 T DE69712802 T DE 69712802T DE 69712802 T DE69712802 T DE 69712802T DE 69712802 D1 DE69712802 D1 DE 69712802D1
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 - Lifetime
Application number
DE69712802T
Other languages
English (en)
Other versions
DE69712802T2 (de
Inventor
Jun Toda
Kikuo Tsunoda
Haruo Matsumoto
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.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing Co Ltd
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 Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Publication of DE69712802D1 publication Critical patent/DE69712802D1/de
Application granted granted Critical
Publication of DE69712802T2 publication Critical patent/DE69712802T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P7/00—Resonators of the waveguide type
    • H01P7/10—Dielectric resonators
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/16—Auxiliary devices for mode selection, e.g. mode suppression or mode promotion; for mode conversion
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
DE69712802T 1996-01-08 1997-01-08 Dielektrisches Filter Expired - Lifetime DE69712802T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP89596 1996-01-08
JP8325445A JPH09252206A (ja) 1996-01-08 1996-12-05 誘電体フィルタ

Publications (2)

Publication Number Publication Date
DE69712802D1 true DE69712802D1 (de) 2002-07-04
DE69712802T2 DE69712802T2 (de) 2003-02-27

Family

ID=26334009

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69712802T Expired - Lifetime DE69712802T2 (de) 1996-01-08 1997-01-08 Dielektrisches Filter

Country Status (6)

Country Link
US (1) US5929725A (de)
EP (1) EP0783188B1 (de)
JP (1) JPH09252206A (de)
KR (1) KR100253679B1 (de)
CN (1) CN1124659C (de)
DE (1) DE69712802T2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100328243B1 (ko) * 1997-12-03 2002-06-20 이형도 유전체 공진기필터
JP3327196B2 (ja) * 1997-12-25 2002-09-24 株式会社村田製作所 誘電体フィルタ及び誘電体デュプレクサ
JP3412533B2 (ja) 1998-10-20 2003-06-03 株式会社村田製作所 誘電体フィルタ、誘電体デュプレクサ及び通信機装置
US6621381B1 (en) * 2000-01-21 2003-09-16 Tdk Corporation TEM-mode dielectric resonator and bandpass filter using the resonator
JP2002290108A (ja) 2001-01-22 2002-10-04 Murata Mfg Co Ltd 誘電体デュプレクサおよび通信装置
JP3620454B2 (ja) * 2001-02-19 2005-02-16 株式会社村田製作所 誘電体フィルタ、誘電体デュプレクサおよび通信装置
JP3788368B2 (ja) * 2001-04-10 2006-06-21 株式会社村田製作所 誘電体デュプレクサおよび通信装置
JP2003051701A (ja) * 2001-08-03 2003-02-21 Tdk Corp バンドパスフィルタ
JP2003087004A (ja) 2001-09-10 2003-03-20 Tdk Corp バンドパスフィルタ
US7068127B2 (en) 2001-11-14 2006-06-27 Radio Frequency Systems Tunable triple-mode mono-block filter assembly
US6853271B2 (en) 2001-11-14 2005-02-08 Radio Frequency Systems, Inc. Triple-mode mono-block filter assembly
JP4111347B2 (ja) * 2005-09-20 2008-07-02 Ｔｄｋ株式会社 誘電体装置
CN101183741B (zh) * 2007-12-13 2010-12-01 成都赛纳赛德科技有限公司 一种紧凑型多模谐振腔
CN107210510B (zh) 2015-11-28 2020-01-03 华为技术有限公司 介质谐振器及滤波器
CN110400992B (zh) * 2018-04-24 2022-06-28 上海华为技术有限公司 一种介质滤波器和通信设备

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4151494A (en) * 1976-02-10 1979-04-24 Murata Manufacturing Co., Ltd. Electrical filter
GB1568255A (en) * 1976-02-10 1980-05-29 Murata Manufacturing Co Electrical filter
US4386328A (en) * 1980-04-28 1983-05-31 Oki Electric Industry Co., Ltd. High frequency filter
DE3382762T2 (de) * 1982-05-10 1995-05-04 Oki Electric Ind Co Ltd Dielektrischer Filter.
JPS59125104U (ja) * 1983-02-10 1984-08-23 株式会社村田製作所 外部結合構造
WO1992004741A1 (en) * 1990-09-10 1992-03-19 Tdk Corporation Band-pass filter
JPH0653705A (ja) * 1992-07-28 1994-02-25 Fuji Elelctrochem Co Ltd 誘電体フィルタ
JP3374254B2 (ja) * 1993-04-28 2003-02-04 エヌイーシートーキン株式会社 誘電体フィルタ
JP3425703B2 (ja) * 1993-12-03 2003-07-14 株式会社村田製作所 誘電体共振器

Also Published As

Publication number Publication date
EP0783188B1 (de) 2002-05-29
CN1161581A (zh) 1997-10-08
JPH09252206A (ja) 1997-09-22
US5929725A (en) 1999-07-27
CN1124659C (zh) 2003-10-15
KR100253679B1 (ko) 2000-04-15
KR19980063241A (ko) 1998-10-07
EP0783188A1 (de) 1997-07-09
DE69712802T2 (de) 2003-02-27

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Legal Events

Date Code Title Description
8332 No legal effect for de
8370 Indication of lapse of patent is to be deleted
8364 No opposition during term of opposition