JPH056544Y2 - - Google Patents

Info

Publication number
JPH056544Y2
JPH056544Y2 JP1987087613U JP8761387U JPH056544Y2 JP H056544 Y2 JPH056544 Y2 JP H056544Y2 JP 1987087613 U JP1987087613 U JP 1987087613U JP 8761387 U JP8761387 U JP 8761387U JP H056544 Y2 JPH056544 Y2 JP H056544Y2
Authority
JP
Japan
Prior art keywords
capacitance
inverting amplifier
output
measured
input
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
JP1987087613U
Other languages
English (en)
Japanese (ja)
Other versions
JPS62201074U (ko
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)
  • Amplifiers (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
JP1987087613U 1977-10-14 1987-06-08 Expired - Lifetime JPH056544Y2 (ko)

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 JPS62201074U (ko) 1987-12-22
JPH056544Y2 true JPH056544Y2 (ko) 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 (ko) 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 (ko)
AU (1) AU523345B2 (ko)
BR (1) BR7806786A (ko)
CA (1) CA1128129A (ko)
DE (1) DE2844121C2 (ko)
FI (1) FI57319C (ko)
FR (1) FR2410280A1 (ko)
GB (1) GB2006442B (ko)
IT (1) IT1100121B (ko)
ZA (1) ZA785694B (ko)

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 (ko) * 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
CN102203624B (zh) * 2008-11-02 2015-05-20 西门子公司 电流传感器电容测量电路
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 (ko) * 1971-06-24 1975-02-07 Commissariat Energie Atomique
FR2208121B1 (ko) * 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
FI57319C (fi) 1980-07-10
DE2844121A1 (de) 1979-04-19
IT1100121B (it) 1985-09-28
JPS5498696A (en) 1979-08-03
FR2410280A1 (fr) 1979-06-22
FI773063A (fi) 1979-04-15
ZA785694B (en) 1979-09-26
FR2410280B1 (ko) 1984-01-06
FI57319B (fi) 1980-03-31
JPS62201074U (ko) 1987-12-22
CA1128129A (en) 1982-07-20
AU523345B2 (en) 1982-07-22
GB2006442B (en) 1982-04-28
GB2006442A (en) 1979-05-02
DE2844121C2 (de) 1981-09-24
BR7806786A (pt) 1979-05-15
IT7828692A0 (it) 1978-10-12
AU4067578A (en) 1980-04-17

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