DE69723212D1 - Kettenfilter - Google Patents

Kettenfilter

Info

Publication number
DE69723212D1
DE69723212D1 DE69723212T DE69723212T DE69723212D1 DE 69723212 D1 DE69723212 D1 DE 69723212D1 DE 69723212 T DE69723212 T DE 69723212T DE 69723212 T DE69723212 T DE 69723212T DE 69723212 D1 DE69723212 D1 DE 69723212D1
Authority
DE
Germany
Prior art keywords
chain filter
chain
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
DE69723212T
Other languages
English (en)
Other versions
DE69723212T2 (de
Inventor
Jiro Inoue
Toshihiko Unami
Tetsuo Takeshima
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 DE69723212D1 publication Critical patent/DE69723212D1/de
Application granted granted Critical
Publication of DE69723212T2 publication Critical patent/DE69723212T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
    • H03H9/17—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator
    • H03H9/178—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator of a laminated structure of multiple piezoelectric layers with inner electrodes
    • 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
    • H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/58—Multiple crystal filters
    • H03H9/60—Electric coupling means therefor
    • H03H9/605—Electric coupling means therefor consisting of a ladder configuration

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
DE69723212T 1996-11-22 1997-04-07 Kettenfilter Expired - Lifetime DE69723212T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP32770896 1996-11-22
JP32770896A JP3147793B2 (ja) 1996-11-22 1996-11-22 ラダー型フィルタ

Publications (2)

Publication Number Publication Date
DE69723212D1 true DE69723212D1 (de) 2003-08-07
DE69723212T2 DE69723212T2 (de) 2004-02-12

Family

ID=18202106

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69723212T Expired - Lifetime DE69723212T2 (de) 1996-11-22 1997-04-07 Kettenfilter

Country Status (6)

Country Link
US (1) US5825262A (de)
EP (1) EP0844734B1 (de)
JP (1) JP3147793B2 (de)
CN (1) CN1096144C (de)
DE (1) DE69723212T2 (de)
NO (1) NO971942L (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3266031B2 (ja) * 1996-04-18 2002-03-18 株式会社村田製作所 圧電共振子およびそれを用いた電子部品
DE69710670T2 (de) * 1996-05-15 2002-08-14 Tokin Corp Piezoelektrischer transformator
JP3267171B2 (ja) * 1996-09-12 2002-03-18 株式会社村田製作所 圧電共振子およびそれを用いた電子部品
CN1198037A (zh) * 1997-04-25 1998-11-04 株式会社村田制作所 压电谐振器和使用它的电子元件
JPH118526A (ja) * 1997-04-25 1999-01-12 Murata Mfg Co Ltd 圧電共振子およびそれを用いた電子部品
JP3378775B2 (ja) * 1997-07-07 2003-02-17 株式会社村田製作所 圧電共振子およびその周波数調整方法
JP3368214B2 (ja) * 1997-10-01 2003-01-20 株式会社村田製作所 ラダーフィルタおよび通信機器
JP3262050B2 (ja) * 1997-10-03 2002-03-04 株式会社村田製作所 電子部品およびラダーフィルタ
US6420945B1 (en) * 1999-04-09 2002-07-16 Murata Manufacturing Co. Ltd Piezoelectric resonator having internal electrode films, piezoelectric component and ladder filter formed therefrom
JP3399415B2 (ja) * 1999-09-27 2003-04-21 株式会社村田製作所 センサアレイ、センサアレイの製造方法および超音波診断装置
US6856075B1 (en) 2001-06-22 2005-02-15 Hutchinson Technology Incorporated Enhancements for adhesive attachment of piezoelectric motor elements to a disk drive suspension
WO2006001125A1 (ja) * 2004-06-25 2006-01-05 Murata Manufacturing Co., Ltd. 圧電デバイス
WO2019207624A1 (ja) * 2018-04-23 2019-10-31 三菱電機株式会社 半導体光集積素子

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3378704A (en) * 1966-01-05 1968-04-16 Bourns Inc Piezoelectric multilayer device
JPS639141Y2 (de) * 1980-10-22 1988-03-18
JPS59117814A (ja) * 1982-12-24 1984-07-07 Murata Mfg Co Ltd 圧電磁器共振子
JPS61139112A (ja) * 1984-12-10 1986-06-26 Murata Mfg Co Ltd 周波数調整可能な積層型圧電素子
JP2790180B2 (ja) * 1987-12-29 1998-08-27 株式会社村田製作所 電歪共振装置
US5381067A (en) * 1993-03-10 1995-01-10 Hewlett-Packard Company Electrical impedance normalization for an ultrasonic transducer array

Also Published As

Publication number Publication date
NO971942D0 (no) 1997-04-25
EP0844734A2 (de) 1998-05-27
JPH10154920A (ja) 1998-06-09
CN1183674A (zh) 1998-06-03
NO971942L (no) 1998-05-25
JP3147793B2 (ja) 2001-03-19
DE69723212T2 (de) 2004-02-12
US5825262A (en) 1998-10-20
EP0844734B1 (de) 2003-07-02
EP0844734A3 (de) 1998-08-12
CN1096144C (zh) 2002-12-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition