DE69104255D1 - Magnetoresistiver Druckaufnehmer. - Google Patents

Magnetoresistiver Druckaufnehmer.

Info

Publication number
DE69104255D1
DE69104255D1 DE69104255T DE69104255T DE69104255D1 DE 69104255 D1 DE69104255 D1 DE 69104255D1 DE 69104255 T DE69104255 T DE 69104255T DE 69104255 T DE69104255 T DE 69104255T DE 69104255 D1 DE69104255 D1 DE 69104255D1
Authority
DE
Germany
Prior art keywords
pressure transducer
magnetoresistive
magnetoresistive pressure
transducer
pressure
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
DE69104255T
Other languages
English (en)
Other versions
DE69104255T2 (de
Inventor
Rihito Shoji
Hiroyuki Hase
Masayuki Wakamiya
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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
Priority claimed from JP9080490A external-priority patent/JPH0797059B2/ja
Priority claimed from JP2227054A external-priority patent/JPH04106444A/ja
Priority claimed from JP3001726A external-priority patent/JPH04235324A/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE69104255D1 publication Critical patent/DE69104255D1/de
Application granted granted Critical
Publication of DE69104255T2 publication Critical patent/DE69104255T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01L9/10—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 variations in inductance, i.e. electric circuits therefor
    • 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
    • G01L9/16—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 variations in the magnetic properties of material resulting from the application of stress
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S73/00—Measuring and testing
    • Y10S73/02—Magnetostrictive

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
DE69104255T 1990-04-05 1991-04-03 Magnetoresistiver Druckaufnehmer. Expired - Fee Related DE69104255T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP9080490A JPH0797059B2 (ja) 1990-04-05 1990-04-05 圧力センサ
JP2227054A JPH04106444A (ja) 1990-08-28 1990-08-28 圧力センサ
JP3001726A JPH04235324A (ja) 1991-01-10 1991-01-10 圧力センサ

Publications (2)

Publication Number Publication Date
DE69104255D1 true DE69104255D1 (de) 1994-11-03
DE69104255T2 DE69104255T2 (de) 1995-05-11

Family

ID=27275040

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69104255T Expired - Fee Related DE69104255T2 (de) 1990-04-05 1991-04-03 Magnetoresistiver Druckaufnehmer.

Country Status (4)

Country Link
US (1) US5165284A (de)
EP (1) EP0450933B1 (de)
KR (1) KR930005167B1 (de)
DE (1) DE69104255T2 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4938069A (en) * 1988-10-26 1990-07-03 Matsushita Electric Industrial Co., Ltd. Pressure sensor
JPH04184233A (ja) * 1990-11-19 1992-07-01 Matsushita Electric Ind Co Ltd 圧力センサ
JPH05296866A (ja) * 1992-04-23 1993-11-12 Matsushita Electric Ind Co Ltd 圧力センサ
JPH06216426A (ja) * 1992-06-09 1994-08-05 Nippondenso Co Ltd 磁歪層形成方法およびそれを用いた歪センサ
US5672812A (en) * 1995-10-10 1997-09-30 Southwest Research Institute Sparkplug/pressure sensor device
DE19611189C2 (de) * 1996-03-21 2000-11-23 Daimler Chrysler Ag Magnetoelastischer Druckaufnehmer
JP2001116551A (ja) 1999-10-18 2001-04-27 Matsushita Electric Ind Co Ltd 角速度センサ
US6523614B2 (en) * 2001-04-19 2003-02-25 Halliburton Energy Services, Inc. Subsurface safety valve lock out and communication tool and method for use of the same
CA2636887C (en) * 2003-10-27 2012-03-13 Baker Hughes Incorporated Tubing retrievable safety valve and method
US7104137B2 (en) * 2004-04-20 2006-09-12 Delphi Technologies, Inc. Magnetostrictive fluid-pressure sensor
DE102005018938A1 (de) * 2005-04-22 2006-11-02 Siemens Ag Drucksensor
WO2006114378A1 (de) * 2005-04-27 2006-11-02 Continental Teves Ag & Co. Ohg Magnetomechanischer drucksensor
WO2006117293A1 (de) * 2005-05-03 2006-11-09 Continental Teves Ag & Co.Ohg Magnetoelastischer drucksensor
TWI310689B (en) * 2006-02-09 2009-06-11 Ind Tech Res Inst Flexible antenna device for energy transmission,method for control the same and method for energy transmission of the same,flexible antenna module for wireless energy transmission and an energy transmission apparatus containing the same and method for en
CN101020095B (zh) * 2006-02-16 2011-06-15 财团法人工业技术研究院 可挠式无线传能天线模块
WO2007110946A1 (ja) * 2006-03-29 2007-10-04 Jms Co., Ltd. 圧力検知装置
KR101012767B1 (ko) * 2008-05-06 2011-02-08 한국표준과학연구원 자기변형 진동자를 이용한 용기부 내의 압력측정장치
DE102008044125A1 (de) * 2008-11-27 2010-06-02 Robert Bosch Gmbh Sensoranordnung mit einem magnetoelastischen Verformungselement
US8327713B2 (en) * 2008-12-03 2012-12-11 Rosemount Inc. Method and apparatus for pressure measurement using magnetic property
DE102011082487A1 (de) * 2011-09-12 2013-03-14 Siemens Aktiengesellschaft Verfahren und Sensoranordnung zum Messen des Drucks in einem Druckgefäß
EP3276323B1 (de) * 2015-03-23 2020-04-29 Nabtesco Corporation Drucksensor
US10082431B2 (en) 2015-07-17 2018-09-25 Honeywell International Inc. System and methods for magnetic tunnel junction pressure sensors

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3197722A (en) * 1961-06-07 1965-07-27 Int Resistance Co Pressure transducer
US4625562A (en) * 1984-06-08 1986-12-02 Matsushita Electric Industrial Co., Ltd. Amorphous magnetic alloy sensor
DE3604088A1 (de) * 1986-02-08 1987-08-13 Daimler Benz Ag Drucksensor
US4938069A (en) * 1988-10-26 1990-07-03 Matsushita Electric Industrial Co., Ltd. Pressure sensor

Also Published As

Publication number Publication date
KR930005167B1 (ko) 1993-06-16
EP0450933A1 (de) 1991-10-09
US5165284A (en) 1992-11-24
DE69104255T2 (de) 1995-05-11
EP0450933B1 (de) 1994-09-28
KR910018790A (ko) 1991-11-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee