NL187187C - Piezo-elektrisch filter van het laddertype. - Google Patents

Piezo-elektrisch filter van het laddertype.

Info

Publication number
NL187187C
NL187187C NLAANVRAGE8104665,A NL8104665A NL187187C NL 187187 C NL187187 C NL 187187C NL 8104665 A NL8104665 A NL 8104665A NL 187187 C NL187187 C NL 187187C
Authority
NL
Netherlands
Prior art keywords
ladder type
piezo electric
electric filter
filter
piezo
Prior art date
Application number
NLAANVRAGE8104665,A
Other languages
English (en)
Dutch (nl)
Other versions
NL8104665A (nl
NL187187B (nl
Original Assignee
Ngk Spark Plug Co
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 filed Critical Ngk Spark Plug Co
Publication of NL8104665A publication Critical patent/NL8104665A/nl
Publication of NL187187B publication Critical patent/NL187187B/xx
Application granted granted Critical
Publication of NL187187C publication Critical patent/NL187187C/xx

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)
NLAANVRAGE8104665,A 1980-10-22 1981-10-14 Piezo-elektrisch filter van het laddertype. NL187187C (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1980150778U JPS639141Y2 (en, 2012) 1980-10-22 1980-10-22
JP15077880 1980-10-22

Publications (3)

Publication Number Publication Date
NL8104665A NL8104665A (nl) 1982-05-17
NL187187B NL187187B (nl) 1991-01-16
NL187187C true NL187187C (nl) 1991-06-17

Family

ID=15504214

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE8104665,A NL187187C (nl) 1980-10-22 1981-10-14 Piezo-elektrisch filter van het laddertype.

Country Status (6)

Country Link
US (1) US4398162A (en, 2012)
JP (1) JPS639141Y2 (en, 2012)
DE (1) DE3140719A1 (en, 2012)
FR (1) FR2492610A1 (en, 2012)
GB (1) GB2087184B (en, 2012)
NL (1) NL187187C (en, 2012)

Families Citing this family (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4651109A (en) * 1984-06-12 1987-03-17 Murata Manufacturing Co., Ltd. Piezoelectric resonance component having an improved group delay time characteristic
JPS61124119U (en, 2012) * 1985-01-21 1986-08-05
JPH01314008A (ja) * 1988-06-13 1989-12-19 Ngk Spark Plug Co Ltd 梯子型圧電フィルタ
US5260675A (en) * 1991-04-12 1993-11-09 Ngk Spark Plug Co., Ltd. Ladder-type electric filter device
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
US5400001A (en) * 1992-09-21 1995-03-21 Matsushita Electric Industrial Co., Ltd. Piezoelectric resonator and piezoelectric filter
JP2803517B2 (ja) * 1993-02-26 1998-09-24 株式会社村田製作所 電子部品の組立方法および組立装置
US5616981A (en) * 1993-08-20 1997-04-01 Murata Manufacturing Co., Ltd. Terminal for a piezoelectric device
JPH0818382A (ja) * 1994-06-27 1996-01-19 Murata Mfg Co Ltd 圧電部品
JP3218971B2 (ja) * 1996-04-01 2001-10-15 株式会社村田製作所 ラダー形フィルタ
JP3271517B2 (ja) * 1996-04-05 2002-04-02 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
EP0800268B1 (en) * 1996-04-05 2003-10-08 Murata Manufacturing Co., Ltd. Piezoelectric resonator
US5939819A (en) * 1996-04-18 1999-08-17 Murata Manufacturing Co., Ltd. Electronic component and ladder filter
JPH1079639A (ja) * 1996-07-10 1998-03-24 Murata Mfg Co Ltd 圧電共振子およびそれを用いた電子部品
US5939957A (en) * 1996-07-26 1999-08-17 Ngk Spark Plug Co., Ltd. 6-elements ladder type piezoelectric filter
JP3271541B2 (ja) * 1996-07-26 2002-04-02 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
JP3577170B2 (ja) * 1996-08-05 2004-10-13 株式会社村田製作所 圧電共振子とその製造方法およびそれを用いた電子部品
JPH10126202A (ja) * 1996-10-23 1998-05-15 Murata Mfg Co Ltd 圧電共振子およびそれを用いた電子部品
JP3147793B2 (ja) * 1996-11-22 2001-03-19 株式会社村田製作所 ラダー型フィルタ
JP3262007B2 (ja) * 1997-01-10 2002-03-04 株式会社村田製作所 エネルギー閉じ込め型厚みすべり共振子およびこの共振子を用いた電子部品
JP2001016059A (ja) * 1999-04-26 2001-01-19 Murata Mfg Co Ltd 圧電共振子の群遅延特性の調整方法
US6501346B1 (en) 1999-09-09 2002-12-31 Communications Systems International, Inc. Ceramic filter for use with a beacon receiver
GB0012437D0 (en) * 2000-05-24 2000-07-12 Univ Cranfield Improvements to filters
DE10058339A1 (de) * 2000-11-24 2002-06-06 Infineon Technologies Ag Bulk-Acoustic-Wave-Filter
US7948769B2 (en) 2007-09-27 2011-05-24 Hemisphere Gps Llc Tightly-coupled PCB GNSS circuit and manufacturing method
US7885745B2 (en) 2002-12-11 2011-02-08 Hemisphere Gps Llc GNSS control system and method
US8594879B2 (en) 2003-03-20 2013-11-26 Agjunction Llc GNSS guidance and machine control
US8190337B2 (en) 2003-03-20 2012-05-29 Hemisphere GPS, LLC Satellite based vehicle guidance control in straight and contour modes
US8634993B2 (en) 2003-03-20 2014-01-21 Agjunction Llc GNSS based control for dispensing material from vehicle
US9002565B2 (en) 2003-03-20 2015-04-07 Agjunction Llc GNSS and optical guidance and machine control
US8140223B2 (en) 2003-03-20 2012-03-20 Hemisphere Gps Llc Multiple-antenna GNSS control system and method
US8214111B2 (en) 2005-07-19 2012-07-03 Hemisphere Gps Llc Adaptive machine control system and method
US8686900B2 (en) * 2003-03-20 2014-04-01 Hemisphere GNSS, Inc. Multi-antenna GNSS positioning method and system
US8265826B2 (en) 2003-03-20 2012-09-11 Hemisphere GPS, LLC Combined GNSS gyroscope control system and method
US8271194B2 (en) 2004-03-19 2012-09-18 Hemisphere Gps Llc Method and system using GNSS phase measurements for relative positioning
US8138970B2 (en) 2003-03-20 2012-03-20 Hemisphere Gps Llc GNSS-based tracking of fixed or slow-moving structures
US8583315B2 (en) 2004-03-19 2013-11-12 Agjunction Llc Multi-antenna GNSS control system and method
US8311696B2 (en) 2009-07-17 2012-11-13 Hemisphere Gps Llc Optical tracking vehicle control system and method
US7835832B2 (en) 2007-01-05 2010-11-16 Hemisphere Gps Llc Vehicle control system
USRE48527E1 (en) 2007-01-05 2021-04-20 Agjunction Llc Optical tracking vehicle control system and method
US8000381B2 (en) 2007-02-27 2011-08-16 Hemisphere Gps Llc Unbiased code phase discriminator
US7808428B2 (en) 2007-10-08 2010-10-05 Hemisphere Gps Llc GNSS receiver and external storage device system and GNSS data processing method
WO2009100463A1 (en) 2008-02-10 2009-08-13 Hemisphere Gps Llc Visual, gnss and gyro autosteering control
US8018376B2 (en) 2008-04-08 2011-09-13 Hemisphere Gps Llc GNSS-based mobile communication system and method
US8217833B2 (en) 2008-12-11 2012-07-10 Hemisphere Gps Llc GNSS superband ASIC with simultaneous multi-frequency down conversion
US8386129B2 (en) 2009-01-17 2013-02-26 Hemipshere GPS, LLC Raster-based contour swathing for guidance and variable-rate chemical application
US8085196B2 (en) 2009-03-11 2011-12-27 Hemisphere Gps Llc Removing biases in dual frequency GNSS receivers using SBAS
US8401704B2 (en) 2009-07-22 2013-03-19 Hemisphere GPS, LLC GNSS control system and method for irrigation and related applications
US8174437B2 (en) 2009-07-29 2012-05-08 Hemisphere Gps Llc System and method for augmenting DGNSS with internally-generated differential correction
US8334804B2 (en) 2009-09-04 2012-12-18 Hemisphere Gps Llc Multi-frequency GNSS receiver baseband DSP
US8649930B2 (en) 2009-09-17 2014-02-11 Agjunction Llc GNSS integrated multi-sensor control system and method
US8548649B2 (en) 2009-10-19 2013-10-01 Agjunction Llc GNSS optimized aircraft control system and method
US8583326B2 (en) 2010-02-09 2013-11-12 Agjunction Llc GNSS contour guidance path selection

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2927285A (en) * 1959-04-28 1960-03-01 Daniel R Curran Housing for ceramic ladder filter
JPS5263048A (en) * 1975-11-19 1977-05-25 Toshiba Corp Piezo-electric filter
JPS5377439A (en) * 1976-12-21 1978-07-08 Nec Corp Piezo-filter
JPS5595416A (en) * 1979-01-11 1980-07-19 Noto Denshi Kogyo Kk Ladder type piezoelectric filter
JPS5657524U (en, 2012) * 1979-10-09 1981-05-18
JPS5672513A (en) * 1979-11-20 1981-06-16 Toshiba Corp Piezoelectric filter

Also Published As

Publication number Publication date
GB2087184B (en) 1984-08-15
GB2087184A (en) 1982-05-19
JPS639141Y2 (en, 2012) 1988-03-18
DE3140719C2 (en, 2012) 1987-07-02
NL8104665A (nl) 1982-05-17
FR2492610A1 (fr) 1982-04-23
JPS5774530U (en, 2012) 1982-05-08
FR2492610B1 (en, 2012) 1984-11-30
NL187187B (nl) 1991-01-16
US4398162A (en) 1983-08-09
DE3140719A1 (de) 1982-06-24

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
A85 Still pending on 85-01-01
BC A request for examination has been filed
V4 Discontinued because of reaching the maximum lifetime of a patent

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