ES2040539T3 - Circuito de tratamiento de las senales entregadas por dos sensores que miden en modo diferencial una magnitud fisica. - Google Patents

Circuito de tratamiento de las senales entregadas por dos sensores que miden en modo diferencial una magnitud fisica.

Info

Publication number
ES2040539T3
ES2040539T3 ES90116054T ES90116054T ES2040539T3 ES 2040539 T3 ES2040539 T3 ES 2040539T3 ES 90116054 T ES90116054 T ES 90116054T ES 90116054 T ES90116054 T ES 90116054T ES 2040539 T3 ES2040539 T3 ES 2040539T3
Authority
ES
Spain
Prior art keywords
signal
sensors
physical magnitude
treatment circuit
magnitude
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
ES90116054T
Other languages
English (en)
Inventor
Werner Hottinger
Fridolin Wiget
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.)
Asulab AG
Original Assignee
Asulab AG
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
Priority claimed from CH3186/89A external-priority patent/CH680963A5/fr
Priority claimed from FR8911628A external-priority patent/FR2651582B1/fr
Application filed by Asulab AG filed Critical Asulab AG
Application granted granted Critical
Publication of ES2040539T3 publication Critical patent/ES2040539T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
    • G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
    • G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
    • G01P15/097—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by vibratory elements
    • 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
    • G01D5/243—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 phase or frequency of ac
    • 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
    • G01L1/16—Measuring force or stress, in general using properties of piezoelectric devices
    • G01L1/162—Measuring force or stress, in general using properties of piezoelectric devices using piezoelectric resonators

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)
  • Measuring Fluid Pressure (AREA)
  • Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)

Abstract

EL INVENTO SE REFIERE A UN CIRCUITO DE TRATAMIENTO DE SEÑALES (S1,S2) SUMINISTRADAS POR DOS CAPTADORES (6,12;8,14) QUE MIDEN EN MODO DIFERENCIAL UNA MAGNITUD FISICA, Y QUE SUMINISTRAN UNA SEÑAL REPRESENTATIVA DE ESTA MAGNITUD. ESTE CIRCUITO DE TRATAMIENTO CONSTA ESENCIALMENTE DE UN PRIMER ELEMENTO DE CONTABILIZACION (18) PARA CONTABILIZAR EN EL INTERIOR DE UN PERIODO DE MEDICION UN NUMERO ENTERO N1 DE PERIODOS T1 DE LA SEÑAL S1, UN SEGUNDO ELEMENTO DE CONTABILIZACION (209 PARA CONTABILIZAR EN EL INTERIOR DE DICHO PERIODO DE MEDICION UN NUMERO ENTERO N2 DE PERIODOS T2 DE LA SEÑAL S2, Y UN CIRCUITO LOGICO (22) PARA SUMINISTRAR UNA SEÑAL SM REPRESENTATIVA DE LA DIFERENCIA ENTRE LA DURACION N1.T1 Y LA DURACION N2.T2, SIENDO ESTA SEÑAL REPRESENTATIVA DEL VALOR DE LA MAGNITUD FISICA. APLICACION, EN ESPECIAL, EN LA MEDICION DE UNA ACELERACION, UNA FUERZA, UNA PRESION Y UNA TEMPERATURA.
ES90116054T 1989-09-01 1990-08-22 Circuito de tratamiento de las senales entregadas por dos sensores que miden en modo diferencial una magnitud fisica. Expired - Lifetime ES2040539T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH3186/89A CH680963A5 (es) 1989-09-01 1989-09-01
FR8911628A FR2651582B1 (fr) 1989-09-04 1989-09-04 Circuit de traitement des signaux delivres par deux capteurs mesurant en mode differentiel une grandeur physique.

Publications (1)

Publication Number Publication Date
ES2040539T3 true ES2040539T3 (es) 1993-10-16

Family

ID=25692402

Family Applications (1)

Application Number Title Priority Date Filing Date
ES90116054T Expired - Lifetime ES2040539T3 (es) 1989-09-01 1990-08-22 Circuito de tratamiento de las senales entregadas por dos sensores que miden en modo diferencial una magnitud fisica.

Country Status (3)

Country Link
EP (1) EP0415251B1 (es)
DE (1) DE69001106T2 (es)
ES (1) ES2040539T3 (es)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2532047A1 (fr) * 1982-08-19 1984-02-24 Asulab Sa Capteur de mesure muni d'un resonateur piezo-electrique compense en temperature
DE3736904A1 (de) * 1987-10-30 1989-05-11 Nord Micro Elektronik Feinmech Messeinrichtung mit sensorelementen

Also Published As

Publication number Publication date
DE69001106T2 (de) 1993-09-30
EP0415251A1 (fr) 1991-03-06
EP0415251B1 (fr) 1993-03-17
DE69001106D1 (de) 1993-04-22

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