FR2473183A1 - Montage de circuit servant a convertir une variation de resistance en une variation de frequence - Google Patents

Montage de circuit servant a convertir une variation de resistance en une variation de frequence Download PDF

Info

Publication number
FR2473183A1
FR2473183A1 FR8027682A FR8027682A FR2473183A1 FR 2473183 A1 FR2473183 A1 FR 2473183A1 FR 8027682 A FR8027682 A FR 8027682A FR 8027682 A FR8027682 A FR 8027682A FR 2473183 A1 FR2473183 A1 FR 2473183A1
Authority
FR
France
Prior art keywords
output
amplifier
bridge
input
circuit arrangement
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.)
Granted
Application number
FR8027682A
Other languages
English (en)
French (fr)
Other versions
FR2473183B1 (en:Method
Inventor
Dietrich Meyer-Ebrecht
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2473183A1 publication Critical patent/FR2473183A1/fr
Application granted granted Critical
Publication of FR2473183B1 publication Critical patent/FR2473183B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R17/00—Measuring arrangements involving comparison with a reference value, e.g. bridge
    • G01R17/10—AC or DC measuring bridges
    • 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
    • G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
    • G01L1/22—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
    • G01L1/225—Measuring 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Amplifiers (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Measuring Fluid Pressure (AREA)
  • Measurement Of Force In General (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
FR8027682A 1980-01-05 1980-12-29 Montage de circuit servant a convertir une variation de resistance en une variation de frequence Granted FR2473183A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3000291A DE3000291C2 (de) 1980-01-05 1980-01-05 Schaltungsanordnung zur Umwandlung einer Widerstandsänderung in eine Frequenzänderung

Publications (2)

Publication Number Publication Date
FR2473183A1 true FR2473183A1 (fr) 1981-07-10
FR2473183B1 FR2473183B1 (en:Method) 1983-07-22

Family

ID=6091586

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8027682A Granted FR2473183A1 (fr) 1980-01-05 1980-12-29 Montage de circuit servant a convertir une variation de resistance en une variation de frequence

Country Status (7)

Country Link
US (1) US4794350A (en:Method)
JP (1) JPS56101563A (en:Method)
DE (1) DE3000291C2 (en:Method)
FR (1) FR2473183A1 (en:Method)
GB (1) GB2068130B (en:Method)
IT (1) IT1134935B (en:Method)
SE (1) SE436937B (en:Method)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3142325C2 (de) * 1981-10-24 1983-08-25 Hewlett-Packard GmbH, 7030 Böblingen Brückenschaltung für Messzwecke
DE3609358A1 (de) * 1986-03-20 1987-09-24 Philips Patentverwaltung Harmonischer messoszillator zur erfassung physikalischer parameter
US5384554A (en) * 1993-12-08 1995-01-24 Calcomp Inc. Voltage controlled oscillator circuit employing integrated circuit component ratios
RU2495440C2 (ru) * 2012-01-17 2013-10-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Юго-Западный государственный университет" (ЮЗГУ) Измеритель параметров многоэлементных пассивных двухполюсников
RU2509311C1 (ru) * 2012-07-17 2014-03-10 Федеральное бюджетное государственное образовательное учреждение высшего профессионального образования "Юго-Западный государственный университет" (ЮЗГУ) Мостовой измеритель параметров пассивных многоэлементных rlc двухполюсников
CN116679125B (zh) * 2023-06-07 2024-04-09 海安市综合检验检测中心 利用多谐振荡器产生被测信号的应变电阻测量电路装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3878484A (en) * 1974-01-11 1975-04-15 Hekimian Laboratories Inc Oscillator having output frequency linearly related to resistance

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2782311A (en) * 1953-09-17 1957-02-19 Bendix Aviat Corp Bridge controlled oscillator
US3127577A (en) * 1960-06-30 1964-03-31 Raytheon Co Frequency controlled oscillator
DE2209770C3 (de) * 1972-03-01 1980-07-24 Philips Patentverwaltung Gmbh, 2000 Hamburg Schaltungsanordnung zur Umwandlung des exponentiell mit einer Meßgröße verknüpften Widerstandswerts eines Widerstandsgebers in eine der Meßgröße proportionale Frequenz einer elektrischen Schwingung
DE2214114C3 (de) * 1972-03-23 1974-12-05 Philips Patentverwaltung Gmbh, 2000 Hamburg Schaltungsanordnung zur Umwandlung einer Verstimmung einer Widerstandsbriicke in eine dazu proportionale Frequenzänderung eines RC-Oszillators
DE2433080C2 (de) * 1974-07-10 1983-09-29 Philips Patentverwaltung Gmbh, 2000 Hamburg Schaltungsanordnung zur Umwandlung einer Brückenverstimmung in eine Frequenzänderung

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3878484A (en) * 1974-01-11 1975-04-15 Hekimian Laboratories Inc Oscillator having output frequency linearly related to resistance

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
EXBK/74 *

Also Published As

Publication number Publication date
GB2068130B (en) 1984-02-29
FR2473183B1 (en:Method) 1983-07-22
DE3000291A1 (de) 1981-07-09
GB2068130A (en) 1981-08-05
IT8119001A0 (it) 1981-01-02
SE436937B (sv) 1985-01-28
JPS56101563A (en) 1981-08-14
DE3000291C2 (de) 1982-06-09
IT1134935B (it) 1986-08-20
SE8100008L (sv) 1981-07-06
US4794350A (en) 1988-12-27

Similar Documents

Publication Publication Date Title
FR2509048A1 (fr) Dispositif transducteur de pression capacitif a caracteristique lineaire
EP0612982B1 (fr) Circuit de traitement pour signal de sortie de capteur analogique résistif, notamment pour jauge de carburant
EP2933224A1 (fr) Circuit de mesure
EP0149404A2 (fr) Oscillateur accordable de grande précision, et radar comportant un tel oscillateur
EP0510061A1 (fr) Dispositif de mesure des variations de la capacite d'un condensateur formant, notamment, un capteur.
CA2187486C (fr) Amplificateur de charge differentiel pour capteur piezoelectrique
FR2473183A1 (fr) Montage de circuit servant a convertir une variation de resistance en une variation de frequence
EP0403330A1 (fr) Circuit d'entrée pour compteur d'énergie électrique
FR2624275A1 (fr) Circuits et procedes d'etalonnage pour etalonner des ohmmetres tout en compensant l'erreur inherente a la resistance des cordons de raccordement
FR2685474A1 (fr) Circuit d'exploitation pour capteur inductif dont l'inductance depend de la grandeur a mesurer.
FR2829240A1 (fr) Circuit de mesure de la capacite
FR2496894A1 (fr) Circuit de commande d'un accelerometre electrostatique
EP0348259B1 (fr) Système pour l'exploitation de signaux provenant de capteurs inductifs linéaires de déplacement
CH629311A5 (fr) Circuit de mesure de difference de capacite.
FR2509098A1 (fr) Dispositif de protection de moteur a courant alternatif
EP0358145B1 (fr) Dispositif de mesure des tensions d'une installation triphasée, notamment de type blindé
FR2557400A1 (fr) Montage amplificateur differentiel a courant continu, notamment pour la mesure de faibles tensions variant lentement
FR2677823A1 (fr) Dispositif amplificateur.
FR2508177A1 (fr) Montage pour la representation d'une resistance de precision variable
EP0044528A1 (fr) Dispositif de mesure de la puissance réactive monophasée d'un réseau électrique
EP0796421B1 (fr) Dispositif de filtrage, notamment pour jauge de carburant sur vehicule automobile
EP0169288B1 (fr) Dispositif de compensation en température d'un capteur et son procédé d'ajustage
FR2463541A1 (fr) Generateur d'impulsions
FR2518742A1 (fr) Balance electrique a equilibrage electromagnetique de forces
JPS6312262B2 (en:Method)

Legal Events

Date Code Title Description
ST Notification of lapse