DE60142250D1 - Ladungsverstärker für einen piezoelektrischen drucksensor - Google Patents

Ladungsverstärker für einen piezoelektrischen drucksensor

Info

Publication number
DE60142250D1
DE60142250D1 DE60142250T DE60142250T DE60142250D1 DE 60142250 D1 DE60142250 D1 DE 60142250D1 DE 60142250 T DE60142250 T DE 60142250T DE 60142250 T DE60142250 T DE 60142250T DE 60142250 D1 DE60142250 D1 DE 60142250D1
Authority
DE
Germany
Prior art keywords
pressure sensor
piezoelectric pressure
charging amplifier
amplifier
charging
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
DE60142250T
Other languages
English (en)
Inventor
Masayoshi Matsui
Koji Okazaki
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
Application granted granted Critical
Publication of DE60142250D1 publication Critical patent/DE60142250D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L23/00—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid
    • G01L23/08—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid operated electrically
    • G01L23/10—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid operated electrically by pressure-sensitive members of the piezoelectric type
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/08—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of piezoelectric devices, i.e. electric circuits therefor
    • G01L9/085—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of piezoelectric devices, i.e. electric circuits therefor with temperature compensating means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Measuring Fluid Pressure (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
DE60142250T 2000-12-01 2001-11-27 Ladungsverstärker für einen piezoelektrischen drucksensor Expired - Lifetime DE60142250D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000367166A JP2002168719A (ja) 2000-12-01 2000-12-01 圧電型圧力センサ用チャージアンプ
PCT/JP2001/010338 WO2002044680A1 (en) 2000-12-01 2001-11-27 Charge amplifier for piezoelectric pressure sensor

Publications (1)

Publication Number Publication Date
DE60142250D1 true DE60142250D1 (de) 2010-07-08

Family

ID=18837651

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60142250T Expired - Lifetime DE60142250D1 (de) 2000-12-01 2001-11-27 Ladungsverstärker für einen piezoelektrischen drucksensor

Country Status (5)

Country Link
US (1) US7042288B2 (de)
EP (1) EP1338879B1 (de)
JP (1) JP2002168719A (de)
DE (1) DE60142250D1 (de)
WO (1) WO2002044680A1 (de)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2003263065A1 (en) * 2002-09-04 2004-03-29 Triad Sensors, Inc. Interface electronics for piezoelectric devices
US20040164647A1 (en) * 2003-02-26 2004-08-26 Micko Eric Scott Piezoelectric transducer circuit with improved shock recovery
JP4309158B2 (ja) * 2003-03-19 2009-08-05 富士重工業株式会社 電荷信号変換アンプ、及び筒内圧測定装置
DE102005006806A1 (de) * 2004-09-01 2006-03-30 Priamus System Technologies Ag Verfahren und Vorrichtung zum Messen von physikalischer Grössen mit piezoelektrischen Sensoren
DE102006041226B4 (de) * 2006-09-02 2015-05-13 Diehl Ako Stiftung & Co. Kg Drucktastschalter
DE102007049804A1 (de) * 2007-10-17 2009-04-23 BSH Bosch und Siemens Hausgeräte GmbH Schaltvorrichtung
JP2009115484A (ja) * 2007-11-02 2009-05-28 Citizen Finetech Miyota Co Ltd 内燃機関の燃焼圧検出装置
US8499630B2 (en) * 2008-03-31 2013-08-06 Intel Corporation Piezoelectric sensor dynamic range improvement
KR101519648B1 (ko) 2008-04-29 2015-05-12 엘지전자 주식회사 인터페이스 회로, 그를 사용한 압력 센서 모듈 및 그를사용한 전압 변환 방법
JP5075930B2 (ja) * 2010-02-19 2012-11-21 本田技研工業株式会社 電荷変化型センサの出力回路
US9574952B2 (en) * 2010-07-12 2017-02-21 Custom Fluid Power Pty Ltd. Pressure detection device
JP5883290B2 (ja) * 2011-12-28 2016-03-09 シチズンファインデバイス株式会社 圧力検出装置およびチャージアンプ回路
JP5893920B2 (ja) * 2011-12-28 2016-03-23 シチズンファインデバイス株式会社 検出システムおよび検出装置
WO2013149331A1 (en) * 2012-04-07 2013-10-10 Cambridge Touch Technologies, Ltd. Pressure sensing display device
US10126807B2 (en) 2014-02-18 2018-11-13 Cambridge Touch Technologies Ltd. Dynamic switching of power modes for touch screens using force touch
CN106716093B (zh) * 2014-03-27 2019-06-21 西铁城精密器件株式会社 压力检测装置
CN104568242B (zh) * 2014-12-09 2017-04-05 太原航空仪表有限公司 压电激励小型谐振筒压力传感器信号调理电路
CN104390738A (zh) * 2014-12-16 2015-03-04 济南优耐特汽车电子有限公司 一种油压传感器电路
CN113655915A (zh) 2014-12-23 2021-11-16 剑桥触控科技有限公司 压敏触摸面板
GB2533667B (en) 2014-12-23 2017-07-19 Cambridge Touch Tech Ltd Pressure-sensitive touch panel
GB2544307B (en) 2015-11-12 2018-02-07 Cambridge Touch Tech Ltd Processing signals from a touchscreen panel
US10282046B2 (en) 2015-12-23 2019-05-07 Cambridge Touch Technologies Ltd. Pressure-sensitive touch panel
GB2544353B (en) 2015-12-23 2018-02-21 Cambridge Touch Tech Ltd Pressure-sensitive touch panel
GB2547031B (en) 2016-02-05 2019-09-25 Cambridge Touch Tech Ltd Touchscreen panel signal processing
US10258859B2 (en) 2016-11-03 2019-04-16 Ronald J. Meetin Information-presentation structure with visible record of color-changed print area at impact location
US9744429B1 (en) 2016-11-03 2017-08-29 Ronald J. Meetin Information-presentation structure with impact-sensitive color change and restitution matching
US10279215B2 (en) 2016-11-03 2019-05-07 Ronald J. Meetin Information-presentation structure with impact-sensitive color change of pre-established deformation-controlled extended color-change duration
US10300336B2 (en) 2016-11-03 2019-05-28 Ronald J. Meetin Information-presentation structure with cell arrangement for impact-sensing color change
US11093088B2 (en) 2017-08-08 2021-08-17 Cambridge Touch Technologies Ltd. Device for processing signals from a pressure-sensing touch panel
GB2565305A (en) 2017-08-08 2019-02-13 Cambridge Touch Tech Ltd Device for processing signals from a pressure-sensing touch panel
CN110061711B (zh) * 2019-05-31 2024-04-30 卓尔智联(武汉)研究院有限公司 信号放大电路及电子装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3569747A (en) * 1965-07-14 1971-03-09 Kistler Instr Corp Piezoelectric transducer
JPS4711282U (de) * 1971-03-05 1972-10-11
US4620438A (en) * 1983-12-15 1986-11-04 Texas Instruments Incorporated Cylinder pressure transmitter for an internal combustion engine
DE3481934D1 (de) * 1983-12-15 1990-05-17 Texas Instruments Inc Zylinderdruckuebertrager fuer einen verbrennungsmotor.
US4543536A (en) * 1984-03-22 1985-09-24 Fisher Controls International, Inc. Charge amplifier with automatic zero
JPS60203831A (ja) 1984-03-28 1985-10-15 Tdk Corp 圧力センサ
JPH0766009B2 (ja) 1987-01-14 1995-07-19 松下電器産業株式会社 加速度センサ
JPH01213538A (ja) * 1988-02-22 1989-08-28 Mitsubishi Electric Corp 内燃機関の筒内圧力検出装置
US5003827A (en) * 1989-12-22 1991-04-02 The Foxboro Company Piezoelectric differential pressure vortex sensor
US5488872A (en) * 1993-06-17 1996-02-06 Eoa Systems, Inc. System and method for load sensing
US5701101A (en) * 1995-03-20 1997-12-23 The United States Of America As Represented By The Secretary Of The Navy Charge amplifier for blast gauges
JP2002062211A (ja) * 2000-06-09 2002-02-28 Denso Corp 圧電式センサの信号処理装置
US7042228B2 (en) * 2001-04-27 2006-05-09 Oceana Sensor Technologies, Inc. Transducer in-situ testing apparatus and method
AU2003263065A1 (en) * 2002-09-04 2004-03-29 Triad Sensors, Inc. Interface electronics for piezoelectric devices

Also Published As

Publication number Publication date
EP1338879A4 (de) 2007-08-08
EP1338879B1 (de) 2010-05-26
WO2002044680A1 (en) 2002-06-06
US7042288B2 (en) 2006-05-09
JP2002168719A (ja) 2002-06-14
EP1338879A1 (de) 2003-08-27
US20040075498A1 (en) 2004-04-22

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