DE69635332D1 - Akustisches oberflächenwellenfilter - Google Patents

Akustisches oberflächenwellenfilter

Info

Publication number
DE69635332D1
DE69635332D1 DE69635332T DE69635332T DE69635332D1 DE 69635332 D1 DE69635332 D1 DE 69635332D1 DE 69635332 T DE69635332 T DE 69635332T DE 69635332 T DE69635332 T DE 69635332T DE 69635332 D1 DE69635332 D1 DE 69635332D1
Authority
DE
Germany
Prior art keywords
wave filter
surface wave
acoustic surface
acoustic
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
DE69635332T
Other languages
English (en)
Other versions
DE69635332T2 (de
Inventor
Masashi Ohmura
Hiroshi Honmo
Hidenori Abe
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.)
Kyocera Crystal Device Corp
Original Assignee
Kyocera Crystal Device Corp
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 Kyocera Crystal Device Corp filed Critical Kyocera Crystal Device Corp
Publication of DE69635332D1 publication Critical patent/DE69635332D1/de
Application granted granted Critical
Publication of DE69635332T2 publication Critical patent/DE69635332T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/64—Filters using surface acoustic waves
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/0023—Balance-unbalance or balance-balance networks
    • H03H9/0028—Balance-unbalance or balance-balance networks using surface acoustic wave devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/64—Filters using surface acoustic waves
    • H03H9/6423—Means for obtaining a particular transfer characteristic
    • H03H9/6433—Coupled resonator filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/64—Filters using surface acoustic waves
    • H03H9/6423—Means for obtaining a particular transfer characteristic
    • H03H9/6433—Coupled resonator filters
    • H03H9/644—Coupled resonator filters having two acoustic tracks
    • H03H9/6456—Coupled resonator filters having two acoustic tracks being electrically coupled
    • H03H9/6469—Coupled resonator filters having two acoustic tracks being electrically coupled via two connecting electrodes
DE69635332T 1995-03-15 1996-03-15 Akustisches oberflächenwellenfilter Expired - Fee Related DE69635332T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP8207395 1995-03-15
JP8207395 1995-03-15
PCT/JP1996/000691 WO1996028886A1 (fr) 1995-03-15 1996-03-15 Filtre a ondes acoustiques de surface

Publications (2)

Publication Number Publication Date
DE69635332D1 true DE69635332D1 (de) 2005-12-01
DE69635332T2 DE69635332T2 (de) 2006-07-20

Family

ID=13764310

Family Applications (2)

Application Number Title Priority Date Filing Date
DE0763889T Pending DE763889T1 (de) 1995-03-15 1996-03-15 Akustisches oberflächenwellenfilter
DE69635332T Expired - Fee Related DE69635332T2 (de) 1995-03-15 1996-03-15 Akustisches oberflächenwellenfilter

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE0763889T Pending DE763889T1 (de) 1995-03-15 1996-03-15 Akustisches oberflächenwellenfilter

Country Status (6)

Country Link
US (1) US5877661A (de)
EP (1) EP0763889B1 (de)
JP (1) JP4251409B2 (de)
KR (1) KR100400426B1 (de)
DE (2) DE763889T1 (de)
WO (1) WO1996028886A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0746095B1 (de) * 1995-05-29 2007-02-14 SANYO ELECTRIC Co., Ltd. Akustischer Oberflächenwellenfilter
JP3224202B2 (ja) * 1996-11-28 2001-10-29 富士通株式会社 弾性表面波装置
JP3253568B2 (ja) * 1997-08-29 2002-02-04 富士通株式会社 多段接続型弾性表面波フィルタ
JP3918433B2 (ja) * 1999-04-28 2007-05-23 セイコーエプソン株式会社 横２重モードｓａｗフィルタ
JP2002359541A (ja) * 2000-10-27 2002-12-13 Toyo Commun Equip Co Ltd 共振子型弾性表面波フィルタ
JP3928534B2 (ja) * 2002-02-28 2007-06-13 株式会社村田製作所 弾性表面波フィルタ
US7453335B2 (en) 2005-03-28 2008-11-18 Kyocera Corporation Surface acoustic wave resonator, surface acoustic wave filter and surface acoustic wave duplexer, and communications equipment
FR3039708B1 (fr) * 2015-07-31 2019-08-09 Senseor Resonateur a ondes elastiques de surface simple port sur substrat a forte permittivite

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2659178B2 (ja) * 1985-02-20 1997-09-30 日本電気株式会社 弾性表面波装置
JPH071859B2 (ja) * 1988-03-11 1995-01-11 国際電気株式会社 弾性表面波フィルタ
JP2748009B2 (ja) * 1989-01-31 1998-05-06 キンセキ株式会社 表面弾性波共振子フィルタ
JPH0334715A (ja) * 1989-06-30 1991-02-14 Nippon Mining Co Ltd 弾性表面波共振子およびフィルタ
JPH0555872A (ja) * 1991-08-21 1993-03-05 Toyo Commun Equip Co Ltd 二段縦続接続二重モードｓａｗフイルタ
JPH05315886A (ja) * 1992-05-14 1993-11-26 Matsushita Electric Ind Co Ltd 弾性表面波フィルタ
JPH0738369A (ja) * 1993-07-23 1995-02-07 Murata Mfg Co Ltd 多電極形ｓａｗフィルタ

Also Published As

Publication number Publication date
US5877661A (en) 1999-03-02
JP4251409B2 (ja) 2009-04-08
DE69635332T2 (de) 2006-07-20
EP0763889A1 (de) 1997-03-19
EP0763889B1 (de) 2005-10-26
KR970703064A (ko) 1997-06-10
WO1996028886A1 (fr) 1996-09-19
KR100400426B1 (ko) 2003-12-31
EP0763889A4 (de) 1998-07-29
DE763889T1 (de) 1997-09-04

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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: KYOCERA KINSEKI CORP., TOKYO, JP

8339 Ceased/non-payment of the annual fee