DE69919445D1 - Hochfrequenzfilter mit Halbwellenlängenresonatoren - Google Patents

Hochfrequenzfilter mit Halbwellenlängenresonatoren

Info

Publication number
DE69919445D1
DE69919445D1 DE69919445T DE69919445T DE69919445D1 DE 69919445 D1 DE69919445 D1 DE 69919445D1 DE 69919445 T DE69919445 T DE 69919445T DE 69919445 T DE69919445 T DE 69919445T DE 69919445 D1 DE69919445 D1 DE 69919445D1
Authority
DE
Germany
Prior art keywords
high frequency
frequency filter
half wavelength
wavelength resonators
resonators
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
DE69919445T
Other languages
English (en)
Other versions
DE69919445T2 (de
Inventor
Kouji Wada
Ikuo Awai
Toshio Ishizaki
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.)
Panasonic Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE69919445D1 publication Critical patent/DE69919445D1/de
Application granted granted Critical
Publication of DE69919445T2 publication Critical patent/DE69919445T2/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
    • H01P1/203—Strip line filters
    • H01P1/20327—Electromagnetic interstage coupling
    • H01P1/20354—Non-comb or non-interdigital filters
    • H01P1/20381—Special shape 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
    • H01P1/2013—Coplanar line filters

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Waveguides (AREA)
DE69919445T 1998-05-29 1999-05-27 Hochfrequenzfilter Expired - Fee Related DE69919445T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP14895798 1998-05-29
JP14895798A JP3633280B2 (ja) 1998-05-29 1998-05-29 半波長共振器型高周波フィルタ

Publications (2)

Publication Number Publication Date
DE69919445D1 true DE69919445D1 (de) 2004-09-23
DE69919445T2 DE69919445T2 (de) 2004-12-23

Family

ID=15464451

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69919445T Expired - Fee Related DE69919445T2 (de) 1998-05-29 1999-05-27 Hochfrequenzfilter

Country Status (4)

Country Link
US (1) US6184760B1 (de)
EP (1) EP0961337B1 (de)
JP (1) JP3633280B2 (de)
DE (1) DE69919445T2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3574893B2 (ja) * 1999-10-13 2004-10-06 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
EP1154511A3 (de) * 2000-05-11 2003-05-07 Murata Manufacturing Co., Ltd. Einstellungsverfahren für die elektrische Eigenschaften eines Mikrostreifenleitungsfilters, eines Duplexers, eines Kommunikationsgeräts und eines Mikrostreifenleitungsresonators
JP2001332906A (ja) 2000-05-22 2001-11-30 Murata Mfg Co Ltd 誘電体フィルタ、デュプレクサおよび、通信装置
US20050019286A1 (en) * 2003-06-09 2005-01-27 Wang Tian Xian Stable cosmetic emulsion with polyamide
JP2005117433A (ja) * 2003-10-08 2005-04-28 Eudyna Devices Inc フィルタ
JP2007243462A (ja) * 2006-03-07 2007-09-20 Matsushita Electric Works Ltd バンドパスフィルタ及び共振器
JP2007074123A (ja) * 2005-09-05 2007-03-22 Matsushita Electric Works Ltd バンドパスフィルタ
US8494008B2 (en) 2005-09-05 2013-07-23 National University Corporation The University Of Electro-Communications Multiplexing circuit and designing method therefor
US8742871B2 (en) * 2011-03-10 2014-06-03 Taiwan Semiconductor Manufacturing Co., Ltd. Devices and bandpass filters therein having at least three transmission zeroes

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3754198A (en) * 1972-03-20 1973-08-21 Itt Microstrip filter
JPS56116302A (en) 1980-02-19 1981-09-12 Murata Mfg Co Ltd Strip line filter using 1/2 wavelength resonance electrode
FR2510326A1 (fr) * 1981-07-24 1983-01-28 Thomson Csf Filtre passe-bande a resonateurs lineaires ouverts a leurs deux extremites
SU1224863A1 (ru) * 1984-07-20 1986-04-15 Ленинградский Электротехнический Институт Связи Им.Проф.М.А.Бонч-Бруевича Полосковый полосно-пропускающий фильтр
JPS61128602A (ja) 1984-11-28 1986-06-16 Pioneer Answerphone Mfg Corp マイクロ波用フイルタ
SU1350703A1 (ru) * 1985-11-29 1987-11-07 Московский Электротехнический Институт Связи Полосно-пропускающий фильтр
FR2613557A1 (fr) * 1987-03-31 1988-10-07 Thomson Csf Filtre comportant des elements a constantes reparties associant deux types de couplage
JPH02146801A (ja) * 1988-11-28 1990-06-06 Fujitsu Ltd 中心周波数可変帯域通過フィルタ
FR2704984B1 (fr) 1993-05-04 1995-06-23 France Telecom Filtre passe-bande à lignes couplées dissymétriques.
CA2197253C (en) * 1997-02-11 1998-11-17 Com Dev Limited Planar dual mode filters and a method of construction thereof

Also Published As

Publication number Publication date
JPH11340706A (ja) 1999-12-10
JP3633280B2 (ja) 2005-03-30
US6184760B1 (en) 2001-02-06
DE69919445T2 (de) 2004-12-23
EP0961337A1 (de) 1999-12-01
EP0961337B1 (de) 2004-08-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP

8339 Ceased/non-payment of the annual fee