DE69832980D1 - Mess-Schaltkreis - Google Patents

Mess-Schaltkreis

Info

Publication number
DE69832980D1
DE69832980D1 DE69832980T DE69832980T DE69832980D1 DE 69832980 D1 DE69832980 D1 DE 69832980D1 DE 69832980 T DE69832980 T DE 69832980T DE 69832980 T DE69832980 T DE 69832980T DE 69832980 D1 DE69832980 D1 DE 69832980D1
Authority
DE
Germany
Prior art keywords
measuring circuit
measuring
circuit
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
DE69832980T
Other languages
English (en)
Other versions
DE69832980T2 (de
Inventor
Bernard Broillet
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.)
Meggitt SA
Original Assignee
Vibro Meter SA
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 Vibro Meter SA filed Critical Vibro Meter SA
Publication of DE69832980D1 publication Critical patent/DE69832980D1/de
Application granted granted Critical
Publication of DE69832980T2 publication Critical patent/DE69832980T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H11/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
    • G01H11/06—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means
    • G01H11/08—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means using piezoelectric devices
    • 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
    • G01L23/22—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 for detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines
    • G01L23/221—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 for detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines for detecting or indicating knocks in internal combustion engines
    • G01L23/225—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 for detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines for detecting or indicating knocks in internal combustion engines circuit arrangements therefor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P21/00—Testing or calibrating of apparatus or devices covered by the preceding groups

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
  • Amplifiers (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
DE69832980T 1998-09-15 1998-09-15 Mess-Schaltkreis Expired - Lifetime DE69832980T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19980810920 EP0987554B1 (de) 1998-09-15 1998-09-15 Mess-Schaltkreis

Publications (2)

Publication Number Publication Date
DE69832980D1 true DE69832980D1 (de) 2006-02-02
DE69832980T2 DE69832980T2 (de) 2006-07-06

Family

ID=8236322

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69832980T Expired - Lifetime DE69832980T2 (de) 1998-09-15 1998-09-15 Mess-Schaltkreis

Country Status (5)

Country Link
EP (1) EP0987554B1 (de)
CA (1) CA2255975C (de)
DE (1) DE69832980T2 (de)
DK (1) DK0987554T3 (de)
ES (1) ES2255144T3 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010101713A (ko) 1999-11-27 2001-11-14 롤페스 요하네스 게라투스 알베르투스 전기 회로를 테스트하는 방법 및 그 회로와 회로 설계 방법
FI120803B (fi) * 2007-05-21 2010-03-15 Waertsilae Finland Oy Ilmaisinjärjestely
ES2784778T3 (es) 2012-08-31 2020-09-30 Meggitt Sa Sensor de fuerza y método para probar su fiabilidad
CN106225911A (zh) * 2016-08-29 2016-12-14 广东履安实业有限公司 一种用于机器声音诊断的拾音器
EP3524988B1 (de) * 2018-02-07 2022-03-30 Analog Devices International Unlimited Company Verfahren und vorrichtung zum erfassen von kanalungleichgewichten in einem differentialsignalsystem mit einem differentialverstärker
GB201801995D0 (en) 2018-02-07 2018-03-28 Analog Devices Global Unlimited Co A method of and apparatus for detecting open circuit conditions at an input to a signal chain and for detecting channel imbalance in a differential signal
CN112470014A (zh) 2018-07-19 2021-03-09 基斯特勒控股公司 采集和处理信号的测量电路和使用该测量电路的测量装置
FR3098587B1 (fr) * 2019-07-08 2021-06-11 Safran Aircraft Engines Procédé et système de détection des circuits ouverts des accéléromètres par le bruit de phase

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH658908A5 (en) * 1983-09-06 1986-12-15 Vibro Meter Ag Measurement circuit and its use
US5070843A (en) * 1989-05-15 1991-12-10 Mitsubishi Denki Kabushiki Kaisha Ignition timing control apparatus of internal-combustion engine
GB2253487B (en) * 1991-03-07 1994-08-03 Rover Group A method of detecting malfunction of a piezoelectric sensor
AU7530994A (en) * 1993-08-24 1995-03-21 A/S Bruel & Kjaer An apparatus for detecting the malfunctioning of an accelerometer

Also Published As

Publication number Publication date
CA2255975C (en) 2004-02-10
DK0987554T3 (da) 2006-03-06
EP0987554A1 (de) 2000-03-22
ES2255144T3 (es) 2006-06-16
CA2255975A1 (en) 2000-03-15
EP0987554B1 (de) 2005-12-28
DE69832980T2 (de) 2006-07-06

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition