JPH0749863Y2 - 梯子型電気濾波器 - Google Patents

梯子型電気濾波器

Info

Publication number
JPH0749863Y2
JPH0749863Y2 JP1989016047U JP1604789U JPH0749863Y2 JP H0749863 Y2 JPH0749863 Y2 JP H0749863Y2 JP 1989016047 U JP1989016047 U JP 1989016047U JP 1604789 U JP1604789 U JP 1604789U JP H0749863 Y2 JPH0749863 Y2 JP H0749863Y2
Authority
JP
Japan
Prior art keywords
case
terminal plate
terminal
leg
electric 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
JP1989016047U
Other languages
English (en)
Japanese (ja)
Other versions
JPH02106727U (en]
Inventor
英治 小関
賢治 川上
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.)
Niterra Co Ltd
Original Assignee
NGK Spark Plug 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 NGK Spark Plug Co Ltd filed Critical NGK Spark Plug Co Ltd
Priority to JP1989016047U priority Critical patent/JPH0749863Y2/ja
Priority to US07/479,536 priority patent/US5057802A/en
Publication of JPH02106727U publication Critical patent/JPH02106727U/ja
Application granted granted Critical
Publication of JPH0749863Y2 publication Critical patent/JPH0749863Y2/ja
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 elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/05—Holders or supports
    • H03H9/10—Mounting in enclosures
    • H03H9/1007—Mounting in enclosures for bulk acoustic wave [BAW] devices
    • H03H9/1014—Mounting in enclosures for bulk acoustic wave [BAW] devices the enclosure being defined by a frame built on a substrate and a cap, the frame having no mechanical contact with the BAW device
    • H03H9/1028—Mounting in enclosures for bulk acoustic wave [BAW] devices the enclosure being defined by a frame built on a substrate and a cap, the frame having no mechanical contact with the BAW device the BAW device being held between spring terminals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; 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)
JP1989016047U 1989-02-14 1989-02-14 梯子型電気濾波器 Expired - Fee Related JPH0749863Y2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1989016047U JPH0749863Y2 (ja) 1989-02-14 1989-02-14 梯子型電気濾波器
US07/479,536 US5057802A (en) 1989-02-14 1990-02-13 Ladder-type electric filter apparatus and housing therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989016047U JPH0749863Y2 (ja) 1989-02-14 1989-02-14 梯子型電気濾波器

Publications (2)

Publication Number Publication Date
JPH02106727U JPH02106727U (en]) 1990-08-24
JPH0749863Y2 true JPH0749863Y2 (ja) 1995-11-13

Family

ID=11905664

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989016047U Expired - Fee Related JPH0749863Y2 (ja) 1989-02-14 1989-02-14 梯子型電気濾波器

Country Status (2)

Country Link
US (1) US5057802A (en])
JP (1) JPH0749863Y2 (en])

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2509274Y2 (ja) * 1991-03-20 1996-08-28 日本特殊陶業株式会社 梯子型電気濾波器
JP2509275Y2 (ja) * 1991-04-02 1996-08-28 日本特殊陶業株式会社 梯子型電気濾波器
US5260675A (en) * 1991-04-12 1993-11-09 Ngk Spark Plug Co., Ltd. Ladder-type electric filter device
JP2567103Y2 (ja) * 1991-06-27 1998-03-30 京セラ株式会社 ラダー型フィルタ
JP2567101Y2 (ja) * 1991-06-27 1998-03-30 京セラ株式会社 ラダー型フィルタ
JP2567102Y2 (ja) * 1991-06-27 1998-03-30 京セラ株式会社 ラダー型フィルタ
JPH0522073A (ja) * 1991-07-10 1993-01-29 Ngk Spark Plug Co Ltd 梯子型電気濾波器
US5392012A (en) * 1991-09-18 1995-02-21 Ngk Spark Plug Co., Ltd. Piezoelectric filter in a casing sealed by an insulating filler and having cranked connecting legs
JPH0588029U (ja) * 1992-04-24 1993-11-26 日本特殊陶業株式会社 梯子型電気濾波器
JPH083062Y2 (ja) * 1992-07-24 1996-01-29 日本特殊陶業株式会社 梯子型電気濾波器
JPH06152316A (ja) * 1992-11-05 1994-05-31 Murata Mfg Co Ltd ラダー型フィルタ
JPH0818382A (ja) * 1994-06-27 1996-01-19 Murata Mfg Co Ltd 圧電部品
US5973442A (en) * 1996-02-22 1999-10-26 Murata Manufacturing Co., Ltd. Piezo-resonator, filter and AM receiving circuitry using piezo-resonator
US5939957A (en) * 1996-07-26 1999-08-17 Ngk Spark Plug Co., Ltd. 6-elements ladder type piezoelectric filter
US20090179764A1 (en) * 2008-01-15 2009-07-16 Chul-Sub Lee Device For Detecting Passenger's Weight In Vehicle
US11616488B2 (en) * 2016-09-30 2023-03-28 Intel Corporation FBAR devices having multiple epitaxial layers stacked on a same substrate

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53149750A (en) * 1977-06-01 1978-12-27 Nec Corp Ceramic filter
JPS5672513A (en) * 1979-11-20 1981-06-16 Toshiba Corp Piezoelectric filter
JPS5748091U (en]) * 1980-09-03 1982-03-17
JPS60169927U (ja) * 1984-04-17 1985-11-11 株式会社村田製作所 ラダ−型フイルタ
JPS60256201A (ja) * 1984-06-01 1985-12-17 Matsushita Electric Ind Co Ltd 複合型発振子
JPS614314A (ja) * 1984-06-19 1986-01-10 Toko Inc 梯子形圧電濾波器
JPH0323703Y2 (en]) * 1984-11-17 1991-05-23
JPS62196418U (en]) * 1986-06-04 1987-12-14
JPS6364117U (en]) * 1986-10-15 1988-04-27
JPH054295Y2 (en]) * 1987-01-17 1993-02-02
JPS63145363U (en]) * 1987-03-13 1988-09-26
JPS643326U (en]) * 1987-06-23 1989-01-10
JPS6425610A (en) * 1987-07-22 1989-01-27 Murata Manufacturing Co Electronic component
JP2524969Y2 (ja) * 1987-11-27 1997-02-05 日本特殊陶業株式会社 梯子型電気濾波回路装置

Also Published As

Publication number Publication date
JPH02106727U (en]) 1990-08-24
US5057802A (en) 1991-10-15

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Legal Events

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