DK0458931T3 - Anordning til behandling af sensorsignaler - Google Patents

Anordning til behandling af sensorsignaler

Info

Publication number
DK0458931T3
DK0458931T3 DK91900801T DK91900801T DK0458931T3 DK 0458931 T3 DK0458931 T3 DK 0458931T3 DK 91900801 T DK91900801 T DK 91900801T DK 91900801 T DK91900801 T DK 91900801T DK 0458931 T3 DK0458931 T3 DK 0458931T3
Authority
DK
Denmark
Prior art keywords
sensor signals
processing sensor
processing
signals
sensor
Prior art date
Application number
DK91900801T
Other languages
English (en)
Inventor
Richard Wagner
Georg Schneider
Original Assignee
Endress Hauser Gmbh Co
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 Endress Hauser Gmbh Co filed Critical Endress Hauser Gmbh Co
Application granted granted Critical
Publication of DK0458931T3 publication Critical patent/DK0458931T3/da

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
    • G01L9/0072—Transmitting or indicating the displacement of flexible diaphragms using variations in capacitance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/24—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance
    • G01D5/241—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance by relative movement of capacitor electrodes
    • G01D5/2417—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance by relative movement of capacitor electrodes by varying separation
    • 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
    • G01L9/12—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 capacitance, i.e. electric circuits therefor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
    • G01R27/2605—Measuring capacitance

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Measuring Fluid Pressure (AREA)
  • Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
DK91900801T 1989-12-20 1990-12-11 Anordning til behandling af sensorsignaler DK0458931T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19893942159 DE3942159A1 (de) 1989-12-20 1989-12-20 Anordnung zur verarbeitung von sensorsignalen

Publications (1)

Publication Number Publication Date
DK0458931T3 true DK0458931T3 (da) 1994-07-25

Family

ID=6395937

Family Applications (1)

Application Number Title Priority Date Filing Date
DK91900801T DK0458931T3 (da) 1989-12-20 1990-12-11 Anordning til behandling af sensorsignaler

Country Status (8)

Country Link
EP (1) EP0458931B1 (da)
JP (1) JP2515456B2 (da)
CA (1) CA2046344C (da)
DE (2) DE3942159A1 (da)
DK (1) DK0458931T3 (da)
ES (1) ES2051584T3 (da)
IE (1) IE904484A1 (da)
WO (1) WO1991009278A1 (da)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4133426A1 (de) * 1991-10-09 1993-04-15 Bosch Gmbh Robert Schaltungsanordnung zur auswertung und zum test eines kapazitiven sensors
FR2682768A1 (fr) * 1991-10-21 1993-04-23 Otic Fischer & Porter Methodes de conversion de rapports d'impedances applicables aux appareils de mesure, notamment aux transmetteurs de pression industriels, et leurs dispositifs de mise en óoeuvre.
DE4225113C2 (de) * 1992-07-30 1995-05-04 Erhardt & Leimer Gmbh Vorrichtung zur Überwachung einer laufenden Warenbahn
DE4227052C1 (de) * 1992-08-13 1994-03-10 Schmidt Werner Dr Sensorsystem zur berührungsfreien Abtastung von Etiketten
DE4237196C1 (de) * 1992-11-04 1994-02-10 Vega Grieshaber Gmbh & Co Verfahren und Anordnung zur Messung zumindest einer Kapazität
DE4434338C2 (de) * 1994-09-26 1996-12-19 Siemens Ag Ausleseschaltung für einen kapazitiven Sensor
DE19744152A1 (de) * 1997-10-07 1999-04-29 Ifm Electronic Gmbh Schaltungsanordnung zur Erfassung der Kapazität bzw. einer Kapazitätsänderung eines kapazitiven Schaltungs- oder Bauelementes
DE19711215C1 (de) 1997-03-18 1998-05-07 Heidenhain Gmbh Dr Johannes Verfahren und Vorrichtung zur Umschaltung zwischen verschiedenen Ausgangssignal-Arten einer Positionsmeßeinrichtung
DE19833211C2 (de) 1998-07-23 2000-05-31 Siemens Ag Verfahren zur Bestimmung sehr kleiner Kapazitäten und Verwendung
DE19833210C2 (de) * 1998-07-23 2000-06-21 Siemens Ag Verstärkerschaltung zur Kapazitätsmessung
JP3588276B2 (ja) * 1999-07-26 2004-11-10 株式会社山武 センサ信号処理回路
JP2003028607A (ja) 2001-07-12 2003-01-29 Sony Corp 静電容量検出装置およびこれを用いた指紋照合装置
EP1830182A1 (fr) * 2006-02-22 2007-09-05 Glaverbel Vitrage feuilleté
EP2228628B1 (fr) * 2009-03-10 2011-09-28 EM Microelectronic-Marin SA Circuit électronique à capteur capacitif pour la mesure d'un paramètre physique, et procédé de mise en action du circuit électronique
DE102009057439B4 (de) 2009-10-27 2012-09-27 Gerd Reime Vorrichtung und Verfahren zur fehlerfreien kapazitiven Messwerterfassung
WO2011097249A1 (en) * 2010-02-02 2011-08-11 Mks Instruments, Inc. Capacitive pressure sensor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4039940A (en) * 1976-07-30 1977-08-02 General Electric Company Capacitance sensor
US4128985A (en) * 1977-10-31 1978-12-12 Package Machinery Company Control system for package making machine
DE3125927A1 (de) * 1981-07-01 1983-01-20 Herbert Dipl.-Ing. 6240 Königstein Niedecker Verfahren zum fuellen und verschliessen von wuersten

Also Published As

Publication number Publication date
ES2051584T3 (es) 1994-06-16
WO1991009278A1 (de) 1991-06-27
DE59005540D1 (de) 1994-06-01
CA2046344C (en) 2000-03-07
IE904484A1 (en) 1991-07-03
DE3942159A1 (de) 1991-06-27
EP0458931B1 (de) 1994-04-27
CA2046344A1 (en) 1991-06-21
EP0458931A1 (de) 1991-12-04
JP2515456B2 (ja) 1996-07-10
JPH04503713A (ja) 1992-07-02

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