JPS62201074U - - Google Patents

Info

Publication number
JPS62201074U
JPS62201074U JP1987087613U JP8761387U JPS62201074U JP S62201074 U JPS62201074 U JP S62201074U JP 1987087613 U JP1987087613 U JP 1987087613U JP 8761387 U JP8761387 U JP 8761387U JP S62201074 U JPS62201074 U JP S62201074U
Authority
JP
Japan
Prior art keywords
inverting amplifier
output
capacitance
input
measured
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
JP1987087613U
Other languages
English (en)
Japanese (ja)
Other versions
JPH056544Y2 (enrdf_load_stackoverflow
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 filed Critical
Publication of JPS62201074U publication Critical patent/JPS62201074U/ja
Application granted granted Critical
Publication of JPH056544Y2 publication Critical patent/JPH056544Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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)
  • Measurement Of Resistance Or Impedance (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Amplifiers (AREA)
JP1987087613U 1977-10-14 1987-06-08 Expired - Lifetime JPH056544Y2 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI773063A FI57319C (fi) 1977-10-14 1977-10-14 Foerfarande foer maetning av smao kapacitanser

Publications (2)

Publication Number Publication Date
JPS62201074U true JPS62201074U (enrdf_load_stackoverflow) 1987-12-22
JPH056544Y2 JPH056544Y2 (enrdf_load_stackoverflow) 1993-02-19

Family

ID=8511140

Family Applications (2)

Application Number Title Priority Date Filing Date
JP12521278A Pending JPS5498696A (en) 1977-10-14 1978-10-13 Method of measuring low capacity
JP1987087613U Expired - Lifetime JPH056544Y2 (enrdf_load_stackoverflow) 1977-10-14 1987-06-08

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP12521278A Pending JPS5498696A (en) 1977-10-14 1978-10-13 Method of measuring low capacity

Country Status (10)

Country Link
JP (2) JPS5498696A (enrdf_load_stackoverflow)
AU (1) AU523345B2 (enrdf_load_stackoverflow)
BR (1) BR7806786A (enrdf_load_stackoverflow)
CA (1) CA1128129A (enrdf_load_stackoverflow)
DE (1) DE2844121C2 (enrdf_load_stackoverflow)
FI (1) FI57319C (enrdf_load_stackoverflow)
FR (1) FR2410280A1 (enrdf_load_stackoverflow)
GB (1) GB2006442B (enrdf_load_stackoverflow)
IT (1) IT1100121B (enrdf_load_stackoverflow)
ZA (1) ZA785694B (enrdf_load_stackoverflow)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2475231A1 (fr) * 1980-02-04 1981-08-07 Testut Aequitas Dispositif de mesure de capacite, en particulier pour instrument de pesage
JPS56166411A (en) * 1980-05-27 1981-12-21 Yokogawa Hokushin Electric Corp Capacity type displacement transducer
DE3117808A1 (de) * 1981-05-06 1982-11-25 Robert Bosch Gmbh, 7000 Stuttgart Schaltungsanordnung zur messung von induktivitaetsaenderungen
DK4383A (da) * 1983-01-07 1984-07-08 Nils Aage Juul Eilersen Oscillatorkobling
FI69932C (fi) * 1984-05-31 1986-05-26 Vaisala Oy Maetningsfoerfarande foer kapacitanser speciellt foer smao kapacitanser vid vilker man anvaender tvao referenser
JPS6114578A (ja) * 1984-06-30 1986-01-22 Suzuki Shigeo 容量計
FI74549C (fi) * 1986-02-13 1988-02-08 Vaisala Oy Maetningsfoerfarande foer impedanser, saerskilt smao kapacitanser.
DE4039006C1 (enrdf_load_stackoverflow) * 1990-12-06 1992-03-12 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung Ev, 8000 Muenchen, De
JP2007187509A (ja) * 2006-01-12 2007-07-26 Denso Corp 容量式物理量センサ
WO2010060428A1 (en) * 2008-11-02 2010-06-03 Nils Aage Juul Eilersen Current sensor capacitance measuring circuit
FR2977950B1 (fr) * 2011-07-13 2014-11-07 Jean Noel Lefebvre Dispositif de detection capacitif

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3518537A (en) * 1967-11-28 1970-06-30 Richard Mcfee Apparatus and method for determining the capacitance and conductance of capacitors
US3626287A (en) * 1969-02-10 1971-12-07 C G I Corp System for responding to changes in capacitance of a sensing capacitor
FR2142732B1 (enrdf_load_stackoverflow) * 1971-06-24 1975-02-07 Commissariat Energie Atomique
FR2208121B1 (enrdf_load_stackoverflow) * 1972-11-29 1978-12-29 Commissariat Energie Atomique
US4083248A (en) * 1975-09-04 1978-04-11 Simmonds Precision Products, Inc. Digital liquid-level gauging systems

Also Published As

Publication number Publication date
FI57319B (fi) 1980-03-31
IT7828692A0 (it) 1978-10-12
DE2844121A1 (de) 1979-04-19
DE2844121C2 (de) 1981-09-24
BR7806786A (pt) 1979-05-15
CA1128129A (en) 1982-07-20
ZA785694B (en) 1979-09-26
AU523345B2 (en) 1982-07-22
AU4067578A (en) 1980-04-17
IT1100121B (it) 1985-09-28
FR2410280B1 (enrdf_load_stackoverflow) 1984-01-06
FR2410280A1 (fr) 1979-06-22
JPH056544Y2 (enrdf_load_stackoverflow) 1993-02-19
FI773063A7 (fi) 1979-04-15
JPS5498696A (en) 1979-08-03
FI57319C (fi) 1980-07-10
GB2006442A (en) 1979-05-02
GB2006442B (en) 1982-04-28

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