DE69308662D1 - Kraftwandler und seine Verwendung in einer Druckerfassungsschaltung - Google Patents

Kraftwandler und seine Verwendung in einer Druckerfassungsschaltung

Info

Publication number
DE69308662D1
DE69308662D1 DE69308662T DE69308662T DE69308662D1 DE 69308662 D1 DE69308662 D1 DE 69308662D1 DE 69308662 T DE69308662 T DE 69308662T DE 69308662 T DE69308662 T DE 69308662T DE 69308662 D1 DE69308662 D1 DE 69308662D1
Authority
DE
Germany
Prior art keywords
detection circuit
pressure detection
force converter
converter
force
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
DE69308662T
Other languages
English (en)
Other versions
DE69308662T2 (de
Inventor
Yoshiteru Omura
Kouji Tsukada
Yutaka Nonomura
Takeshi Morikawa
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.)
Toyota Central R&D Labs Inc
Original Assignee
Toyota Central R&D Labs Inc
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 Toyota Central R&D Labs Inc filed Critical Toyota Central R&D Labs Inc
Publication of DE69308662D1 publication Critical patent/DE69308662D1/de
Application granted granted Critical
Publication of DE69308662T2 publication Critical patent/DE69308662T2/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
    • G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
    • G01L9/0051—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance
    • G01L9/0052—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance of piezoresistive elements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/18—Measuring force or stress, in general using properties of piezo-resistive materials, i.e. materials of which the ohmic resistance varies according to changes in magnitude or direction of force applied to the material
    • 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
    • G01L9/0051—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance
    • G01L9/0058—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance of pressure sensitive conductive solid or liquid material, e.g. carbon granules
    • 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
    • G01L9/02—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 ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning
    • G01L9/06—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 ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning of piezo-resistive devices
    • G01L9/065—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 ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning of piezo-resistive devices with temperature compensating means
    • 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
    • Y10S73/04—Piezoelectric
DE69308662T 1992-07-16 1993-07-15 Kraftwandler und seine Verwendung in einer Druckerfassungsschaltung Expired - Fee Related DE69308662T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21208292A JP3166015B2 (ja) 1992-07-16 1992-07-16 力変換素子およびこれを用いた圧力検出回路

Publications (2)

Publication Number Publication Date
DE69308662D1 true DE69308662D1 (de) 1997-04-17
DE69308662T2 DE69308662T2 (de) 1997-10-16

Family

ID=16616575

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69308662T Expired - Fee Related DE69308662T2 (de) 1992-07-16 1993-07-15 Kraftwandler und seine Verwendung in einer Druckerfassungsschaltung

Country Status (4)

Country Link
US (1) US5349873A (de)
EP (1) EP0579226B1 (de)
JP (1) JP3166015B2 (de)
DE (1) DE69308662T2 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3317084B2 (ja) * 1995-03-31 2002-08-19 株式会社豊田中央研究所 力検知素子およびその製造方法
US6433802B1 (en) * 1998-12-29 2002-08-13 Ncr Corporation Parallel programming development environment
EP1223420A3 (de) * 2001-01-16 2003-07-09 Fujikura Ltd. Drucksensor und zugehöriges Herstellungsverfahren
WO2002057731A1 (fr) * 2001-01-22 2002-07-25 K-Tech Devices Corp. Capteur de contrainte
DE10203872B4 (de) * 2002-01-31 2004-04-22 EBM Brosa Messgeräte GmbH & Co. KG Kraftaufnehmer zum Messen von Druck- bzw. Schubkräften
JP2004053344A (ja) * 2002-07-18 2004-02-19 Tem-Tech Kenkyusho:Kk 荷重変換型の金属ダイヤフラム圧力センサ
DE10232642B4 (de) * 2002-07-18 2006-11-23 Infineon Technologies Ag Integrierte Transformatoranordnung
US7021154B2 (en) * 2002-09-24 2006-04-04 Kabushiki Kaisha Toyota Chuo Kenkyusho Force sensing element
US7002227B2 (en) * 2003-02-28 2006-02-21 Denso Corporation Pressure detecting device
US7123241B2 (en) * 2003-09-16 2006-10-17 Microsoft Corporation Quantitatively force-sensing computer keyboard
US7256768B2 (en) * 2003-09-16 2007-08-14 Microsoft Corporation Computer keyboard with quantitatively force-sensing keys
JP4708711B2 (ja) * 2004-02-03 2011-06-22 株式会社デンソー 圧力センサ
JP5108601B2 (ja) * 2008-04-16 2012-12-26 日本特殊陶業株式会社 燃焼圧力センサ付きグロープラグ
JP2010107500A (ja) 2008-09-30 2010-05-13 Ngk Spark Plug Co Ltd 圧力検出装置
EP2749859B1 (de) 2008-09-30 2018-04-18 NGK Spark Plug Co., Ltd. Drucksensor
JP4810690B2 (ja) * 2008-11-11 2011-11-09 株式会社豊田中央研究所 力検知素子
US7962307B2 (en) * 2009-02-23 2011-06-14 General Electric Company Integrated apparatus for measuring static pressure
DE102011105756A1 (de) * 2011-01-28 2012-08-02 Kaufbeurer Mikrosysteme Wiedemann Gmbh Elektrische Messeinrichtung zur Kraft- und/oder Druckmessung
JP5761536B2 (ja) 2013-04-24 2015-08-12 横河電機株式会社 力変換素子
JP6158846B2 (ja) * 2015-02-17 2017-07-05 トヨタ自動車株式会社 圧力センサ
DE102015104410B4 (de) * 2015-03-24 2018-09-13 Tdk-Micronas Gmbh Drucksensor

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3351786A (en) * 1965-08-06 1967-11-07 Univ California Piezoelectric-semiconductor, electromechanical transducer
JPS5148729B2 (de) * 1971-09-25 1976-12-22
US4320664A (en) * 1980-02-25 1982-03-23 Texas Instruments Incorporated Thermally compensated silicon pressure sensor
JPS62175631A (ja) * 1986-01-30 1987-08-01 Mitsubishi Electric Corp プログラム可能な半導体圧力センサ
US4703658A (en) * 1986-06-18 1987-11-03 Motorola, Inc. Pressure sensor assembly
JPH0682847B2 (ja) * 1987-07-31 1994-10-19 株式会社豊田中央研究所 力変換素子
US4771639A (en) * 1987-09-02 1988-09-20 Yokogawa Electric Corporation Semiconductor pressure sensor
US4993266A (en) * 1988-07-26 1991-02-19 Kabushiki Kaisha Toyota Chuo Kenkyusho Semiconductor pressure transducer
JPH03148028A (ja) * 1989-11-02 1991-06-24 Matsushita Electric Ind Co Ltd 圧電型圧力センサ

Also Published As

Publication number Publication date
JP3166015B2 (ja) 2001-05-14
EP0579226A3 (de) 1994-02-16
EP0579226A2 (de) 1994-01-19
JPH0634455A (ja) 1994-02-08
DE69308662T2 (de) 1997-10-16
EP0579226B1 (de) 1997-03-12
US5349873A (en) 1994-09-27

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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