ATE268911T1 - Verfahren zur einstellung einer eine kapazitive grösse in eine korrespondierende spannung umsetzende signalverarbeitungsschaltung - Google Patents

Verfahren zur einstellung einer eine kapazitive grösse in eine korrespondierende spannung umsetzende signalverarbeitungsschaltung

Info

Publication number
ATE268911T1
ATE268911T1 AT97122213T AT97122213T ATE268911T1 AT E268911 T1 ATE268911 T1 AT E268911T1 AT 97122213 T AT97122213 T AT 97122213T AT 97122213 T AT97122213 T AT 97122213T AT E268911 T1 ATE268911 T1 AT E268911T1
Authority
AT
Austria
Prior art keywords
difference
converter
signal
polarisation signal
capacitance
Prior art date
Application number
AT97122213T
Other languages
English (en)
Inventor
Rey Olivier
Banyai Antal
Original Assignee
Em Microelectronic Marin 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 Em Microelectronic Marin Sa filed Critical Em Microelectronic Marin Sa
Application granted granted Critical
Publication of ATE268911T1 publication Critical patent/ATE268911T1/de

Links

Classifications

    • 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
    • G01D18/00—Testing or calibrating apparatus or arrangements provided for in groups G01D1/00 - G01D15/00
    • 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
    • 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
    • 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)
  • Networks Using Active Elements (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
AT97122213T 1997-12-17 1997-12-17 Verfahren zur einstellung einer eine kapazitive grösse in eine korrespondierende spannung umsetzende signalverarbeitungsschaltung ATE268911T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP97122213A EP0924525B1 (de) 1997-12-17 1997-12-17 Verfahren zur Einstellung einer eine kapazitive Grösse in eine korrespondierende Spannung umsetzende Signalverarbeitungsschaltung

Publications (1)

Publication Number Publication Date
ATE268911T1 true ATE268911T1 (de) 2004-06-15

Family

ID=8227812

Family Applications (1)

Application Number Title Priority Date Filing Date
AT97122213T ATE268911T1 (de) 1997-12-17 1997-12-17 Verfahren zur einstellung einer eine kapazitive grösse in eine korrespondierende spannung umsetzende signalverarbeitungsschaltung

Country Status (3)

Country Link
EP (1) EP0924525B1 (de)
AT (1) ATE268911T1 (de)
DE (1) DE69729457T2 (de)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2454083A1 (fr) * 1979-04-09 1980-11-07 Facom Dispositif de mesure de la position relative de deux objets
US5253510A (en) * 1989-06-22 1993-10-19 I C Sensors Self-testable micro-accelerometer
EP0543901B1 (de) * 1990-08-17 1995-10-04 Analog Devices, Inc. Monolithischer beschleunigungsmesser
JP2761303B2 (ja) * 1991-03-20 1998-06-04 株式会社日立製作所 エアバッグシステムの衝突検出装置

Also Published As

Publication number Publication date
EP0924525A1 (de) 1999-06-23
DE69729457D1 (de) 2004-07-15
DE69729457T2 (de) 2005-06-30
EP0924525B1 (de) 2004-06-09

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Legal Events

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