JPH0418256B2 - - Google Patents

Info

Publication number
JPH0418256B2
JPH0418256B2 JP56132000A JP13200081A JPH0418256B2 JP H0418256 B2 JPH0418256 B2 JP H0418256B2 JP 56132000 A JP56132000 A JP 56132000A JP 13200081 A JP13200081 A JP 13200081A JP H0418256 B2 JPH0418256 B2 JP H0418256B2
Authority
JP
Japan
Prior art keywords
soft magnetic
pressure sensor
voltage
ferromagnetic
ferromagnetic material
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
JP56132000A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5772038A (en
Inventor
Shinichiro Iwasaki
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.)
Aisin Corp
Original Assignee
Aisin Seiki 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 Aisin Seiki Co Ltd filed Critical Aisin Seiki Co Ltd
Publication of JPS5772038A publication Critical patent/JPS5772038A/ja
Publication of JPH0418256B2 publication Critical patent/JPH0418256B2/ja
Granted 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
    • G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
    • G01L9/007—Transmitting or indicating the displacement of flexible diaphragms using variations in inductance
    • 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
    • G01L9/0004—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using variations in inductance
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Measuring Fluid Pressure (AREA)
JP56132000A 1980-08-29 1981-08-21 Pressure sensor Granted JPS5772038A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/182,700 US4351191A (en) 1980-08-29 1980-08-29 Pressure sensor

Publications (2)

Publication Number Publication Date
JPS5772038A JPS5772038A (en) 1982-05-06
JPH0418256B2 true JPH0418256B2 (en]) 1992-03-27

Family

ID=22669631

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56132000A Granted JPS5772038A (en) 1980-08-29 1981-08-21 Pressure sensor

Country Status (3)

Country Link
US (1) US4351191A (en])
JP (1) JPS5772038A (en])
DE (1) DE3133057A1 (en])

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4627292A (en) * 1984-07-03 1986-12-09 Randek Inc. AC transducers, methods and systems
US4769600A (en) * 1986-05-29 1988-09-06 Alps Electric Co., Ltd. Holding member for sensor of magnetic rotary encoder
US5429000A (en) * 1993-12-21 1995-07-04 Ferrofluidics Corporation Ferrofluid pressure sensor
JP4231693B2 (ja) * 2001-02-12 2009-03-04 ピーエスエー コーポレイション リミテッド 自動車両誘導システムの磁気センサ
DE102010022428A1 (de) 2009-06-03 2010-12-09 Marquardt Mechatronik Gmbh Sensor
DE102020208546A1 (de) * 2020-07-08 2022-01-13 Meiko Maschinenbau Gmbh & Co. Kg Reinigungskorb zur Reinigung von Atemgerät

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1248469A (fr) * 1959-11-02 1960-12-16 Forges Ateliers Const Electr Indicateurs de déplacements d'objets mobiles utilisant leur action magnétique sur des organes électromagnétiques capteurs
US3168830A (en) * 1963-03-25 1965-02-09 Int Resistance Co Pressure transducer
US3807223A (en) * 1972-04-20 1974-04-30 Lignes Telegraph Telephon Stress sensor with digital output
US3825908A (en) * 1973-02-02 1974-07-23 Illinois Tool Works Solid state switch structure
US3877314A (en) * 1973-03-26 1975-04-15 Illinois Tool Works Accelerometer
US3855528A (en) * 1973-04-06 1974-12-17 Lorain Prod Corp D-c current measuring circuit
JPS5017656A (en]) * 1973-06-14 1975-02-25
US4170498A (en) * 1973-12-26 1979-10-09 Texas Instruments Incorporated Transducer
JPS5625613B2 (en]) * 1974-03-13 1981-06-13
IT1012728B (it) * 1974-05-22 1977-03-10 Mecanique Ind Int Dispositivo per trasmettere a distanza segnali di pressione
DE2725543A1 (de) * 1977-06-07 1978-12-21 Bosch Gmbh Robert Druckmessdose, insbesondere zur messung des druckes im ansaugrohr von brennkraftmaschinen
DE2725933A1 (de) * 1977-06-08 1978-12-21 Bosch Gmbh Robert Druck-impulsdauer-wandler
IT1088352B (it) * 1977-10-12 1985-06-10 Magneti Marelli Spa Rilevatore di spostamenti lineari
US4140971A (en) * 1977-11-10 1979-02-20 Electromagnetic Sciences, Inc. Proximity detection system utilizing a movable magnet for saturating an inductor core wherein the rise time of a plurality of such inductors are compared
DE2815324A1 (de) * 1978-04-08 1979-10-18 Bosch Gmbh Robert Mechanisch-elektrischer wandler
JPS6355014A (ja) * 1986-08-19 1988-03-09 山九株式会社 金属コイル内周包装シ−トのテ−ピング装置

Also Published As

Publication number Publication date
US4351191A (en) 1982-09-28
DE3133057A1 (de) 1982-06-16
JPS5772038A (en) 1982-05-06

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