DE69106109D1 - Piezoelektrischer Luftdruckwechsel-Detektor. - Google Patents

Piezoelektrischer Luftdruckwechsel-Detektor.

Info

Publication number
DE69106109D1
DE69106109D1 DE69106109T DE69106109T DE69106109D1 DE 69106109 D1 DE69106109 D1 DE 69106109D1 DE 69106109 T DE69106109 T DE 69106109T DE 69106109 T DE69106109 T DE 69106109T DE 69106109 D1 DE69106109 D1 DE 69106109D1
Authority
DE
Germany
Prior art keywords
air pressure
pressure change
change detector
piezoelectric air
piezoelectric
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
DE69106109T
Other languages
English (en)
Other versions
DE69106109T2 (de
Inventor
Yukitoshi Tamura
Stephen J Lane
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.)
RACOM INTELLECTUAL PROPERTY LT
Sumitomo Metal Mining Co Ltd
Original Assignee
RACOM INTELLECTUAL PROPERTY LT
Sumitomo Metal Mining 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 RACOM INTELLECTUAL PROPERTY LT, Sumitomo Metal Mining Co Ltd filed Critical RACOM INTELLECTUAL PROPERTY LT
Publication of DE69106109D1 publication Critical patent/DE69106109D1/de
Application granted granted Critical
Publication of DE69106109T2 publication Critical patent/DE69106109T2/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
    • 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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/16—Actuation by interference with mechanical vibrations in air or other fluid
    • G08B13/1654—Actuation by interference with mechanical vibrations in air or other fluid using passive vibration detection systems
    • G08B13/1681—Actuation by interference with mechanical vibrations in air or other fluid using passive vibration detection systems using infrasonic detecting means, e.g. a microphone operating below the audible frequency range
    • 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
    • G01L9/0001—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means
    • G01L9/0008—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations
    • G01L9/0022—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations of a piezoelectric element

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
DE69106109T 1990-10-31 1991-09-13 Piezoelektrischer Luftdruckwechsel-Detektor. Expired - Lifetime DE69106109T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2294510A JPH071215B2 (ja) 1990-10-31 1990-10-31 空気圧変化検出器

Publications (2)

Publication Number Publication Date
DE69106109D1 true DE69106109D1 (de) 1995-02-02
DE69106109T2 DE69106109T2 (de) 1995-05-11

Family

ID=17808713

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69106109T Expired - Lifetime DE69106109T2 (de) 1990-10-31 1991-09-13 Piezoelektrischer Luftdruckwechsel-Detektor.

Country Status (6)

Country Link
US (1) US5293095A (de)
EP (1) EP0483498B1 (de)
JP (1) JPH071215B2 (de)
KR (1) KR930011090B1 (de)
CN (1) CN1029172C (de)
DE (1) DE69106109T2 (de)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995006925A1 (fr) * 1993-09-01 1995-03-09 A3P S.A.R.L. Dispositif de detection d'intrusion dans un batiment ou un vehicule par detection d'infrasons et/ou d'ondes de pression et procede de detection d'intrusion
JP3276536B2 (ja) * 1995-07-12 2002-04-22 株式会社群馬コイケ ガス供給装置における同調制御装置及び呼吸センサ
JP3930595B2 (ja) * 1997-01-16 2007-06-13 株式会社群馬コイケ 配管端末器用呼吸同調装置
US5874675A (en) * 1997-03-20 1999-02-23 Interscience, Inc. Wideband vibration sensor
USD421233S (en) * 1999-05-24 2000-02-29 Icenogle Robert O Marine jack plate gauge
DK1164021T3 (da) * 2000-06-15 2006-08-07 Seiko Epson Corp Fremgangsmåde til påfyldning af væske, væskebeholder og fremgangsmåde til fremstilling heraf
US7019621B2 (en) * 2001-01-02 2006-03-28 Stanley E. Woodard Methods and apparatus to increase sound quality of piezoelectric devices
US7032454B2 (en) * 2004-03-05 2006-04-25 Agilent Technologies, Inc. Piezoelectric cantilever pressure sensor array
US7104134B2 (en) * 2004-03-05 2006-09-12 Agilent Technologies, Inc. Piezoelectric cantilever pressure sensor
JP5000959B2 (ja) * 2006-09-19 2012-08-15 新科實業有限公司 気圧センサ及びこれを搭載したハードディスクドライブ、気圧センサの製造方法、気圧計測方法
CN101452119B (zh) * 2007-12-03 2010-07-28 比亚迪股份有限公司 一种tft的光电参数测试夹具
WO2012102073A1 (ja) * 2011-01-28 2012-08-02 国立大学法人東京大学 差圧センサ
JP5778619B2 (ja) * 2012-05-02 2015-09-16 セイコーインスツル株式会社 圧力センサ
JP2014013735A (ja) * 2012-07-05 2014-01-23 Seiko Instruments Inc 圧力スイッチ
JP6184006B2 (ja) * 2012-10-03 2017-08-23 セイコーインスツル株式会社 圧力センサ
JP6267422B2 (ja) * 2012-12-18 2018-01-24 セイコーインスツル株式会社 電子機器
JP6168952B2 (ja) * 2012-12-28 2017-07-26 セイコーインスツル株式会社 圧力センサ
JP6041309B2 (ja) * 2013-03-08 2016-12-07 セイコーインスツル株式会社 圧力センサ
JP6150565B2 (ja) * 2013-03-08 2017-06-21 セイコーインスツル株式会社 圧力センサ
JP6041308B2 (ja) * 2013-03-08 2016-12-07 セイコーインスツル株式会社 圧力センサ
CN103499024B (zh) * 2013-10-22 2015-11-25 天津七一二通信广播有限公司 一种用于输油管道泄漏检测系统的声表面波压力传感器
JP6292932B2 (ja) 2014-03-13 2018-03-14 セイコーインスツル株式会社 圧力センサ
US9995642B2 (en) 2014-10-06 2018-06-12 The University Of Tokyo Cantilever pressure sensor with division portions for dividing lever resistance and having piezoresistor element
JP6403007B2 (ja) * 2015-01-08 2018-10-10 国立大学法人 東京大学 圧力センサ
JP6893100B2 (ja) * 2016-03-29 2021-06-23 セイコーインスツル株式会社 傾斜情報計測装置および気圧変動センサの調整方法
JP6652479B2 (ja) * 2016-10-14 2020-02-26 株式会社フジクラ 差圧検出素子及び流量計測装置
JP7156969B2 (ja) * 2019-02-21 2022-10-19 セイコーインスツル株式会社 圧力センサ駆動方法
US11186244B2 (en) * 2019-03-22 2021-11-30 Stmicroelectronics S.R.L. Smart child safety equipment in vehicles
US20230024087A1 (en) * 2021-07-22 2023-01-26 Apple Inc. Airflow sensors for speakers

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3113223A (en) * 1960-07-27 1963-12-03 Space Technology Lab Inc Bender-type accelerometer
US3769827A (en) * 1970-04-16 1973-11-06 Hercules Inc Instrument for electrically measuring pressure changes
JPS5967437A (ja) * 1982-10-06 1984-04-17 Seiko Instr & Electronics Ltd 水晶振動子圧力センサ
DE3535222A1 (de) * 1985-10-02 1987-04-02 Heimann Gmbh Einbruchmelder
DE3673121D1 (de) * 1985-10-25 1990-09-13 Fuji Electric Co Ltd Wandler vom schwingungstyp.

Also Published As

Publication number Publication date
KR930011090B1 (ko) 1993-11-20
CN1029172C (zh) 1995-06-28
JPH04208827A (ja) 1992-07-30
DE69106109T2 (de) 1995-05-11
EP0483498A3 (en) 1993-03-03
CN1061669A (zh) 1992-06-03
EP0483498B1 (de) 1994-12-21
US5293095A (en) 1994-03-08
KR920008478A (ko) 1992-05-28
EP0483498A2 (de) 1992-05-06
JPH071215B2 (ja) 1995-01-11

Similar Documents

Publication Publication Date Title
DE69106109D1 (de) Piezoelektrischer Luftdruckwechsel-Detektor.
DE69111337D1 (de) Druckmassfühler.
DE68916813D1 (de) Multimodulus-drucksensor.
DE68919471D1 (de) Drucksensor.
DE59002092D1 (de) Drucksensor.
DE69022988D1 (de) Miniaturdrucksensor.
DE69019337D1 (de) Druckverstärker.
DE69104218D1 (de) Schnelldruckentlastende luftfeder.
NO911068L (no) Gass-separasjonsmateriale.
DE59203780D1 (de) Hochdruck-reinigungsgerät.
DE69105601D1 (de) Lufttrennung.
DE69112707D1 (de) Druckempfindliche Klebemittel.
DE69107039D1 (de) Piezoelektrischer Bewegungsdetektor.
DE69104255D1 (de) Magnetoresistiver Druckaufnehmer.
DE68907427D1 (de) Druckaufnehmeranordnung.
DE69108305D1 (de) Druckgerät.
DE59001596D1 (de) Druckaufnehmer.
ATE126389T1 (de) Differenzdruckmesswandler.
DE59006845D1 (de) Kapazitiver Sensor.
DE69104430D1 (de) Miniatur-Druckwandler.
DE69106411D1 (de) Piezoelektrischer Druckaufnehmer.
DE69114993D1 (de) Drucksteuervorrichtung.
DE59104119D1 (de) Membranventil.
DE69108715D1 (de) Kapazitiver kraftsensor.
DE69108015D1 (de) Tragbares hochdruckreinigungsgerät.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition