DE3382614D1 - Kondensator-ueberwachungsschaltung. - Google Patents

Kondensator-ueberwachungsschaltung.

Info

Publication number
DE3382614D1
DE3382614D1 DE8383300964T DE3382614T DE3382614D1 DE 3382614 D1 DE3382614 D1 DE 3382614D1 DE 8383300964 T DE8383300964 T DE 8383300964T DE 3382614 T DE3382614 T DE 3382614T DE 3382614 D1 DE3382614 D1 DE 3382614D1
Authority
DE
Germany
Prior art keywords
capacitor
measuring
voltages
resistance
monitoring circuit
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 - Fee Related
Application number
DE8383300964T
Other languages
English (en)
Other versions
DE3382614T2 (de
Inventor
Arlon D Kompelien
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.)
Honeywell Inc
Original Assignee
Honeywell Inc
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 Honeywell Inc filed Critical Honeywell Inc
Publication of DE3382614D1 publication Critical patent/DE3382614D1/de
Application granted granted Critical
Publication of DE3382614T2 publication Critical patent/DE3382614T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
    • G01N27/223—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance for determining moisture content, e.g. humidity
    • G01N27/225—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance for determining moisture content, e.g. humidity by using hygroscopic materials
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/64—Testing of capacitors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Health & Medical Sciences (AREA)
  • Electrochemistry (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
DE8383300964T 1982-03-11 1983-02-24 Kondensator-ueberwachungsschaltung. Expired - Fee Related DE3382614T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/357,235 US4431962A (en) 1982-03-11 1982-03-11 Capacitor monitoring by single resistor adjustment

Publications (2)

Publication Number Publication Date
DE3382614D1 true DE3382614D1 (de) 1992-10-08
DE3382614T2 DE3382614T2 (de) 1993-02-18

Family

ID=23404819

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383300964T Expired - Fee Related DE3382614T2 (de) 1982-03-11 1983-02-24 Kondensator-ueberwachungsschaltung.

Country Status (6)

Country Link
US (1) US4431962A (de)
EP (1) EP0088561B1 (de)
JP (1) JPS58167973A (de)
AT (1) ATE80228T1 (de)
CA (1) CA1197994A (de)
DE (1) DE3382614T2 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60106170U (ja) * 1983-12-23 1985-07-19 愛三工業株式会社 比誘電率変化検出装置
US4558595A (en) * 1985-03-29 1985-12-17 Honeywell Inc. Capacitance monitoring bridge circuit for an enthalpy responsive device
US4743836A (en) * 1985-12-06 1988-05-10 United Technologies Corporation Capacitive circuit for measuring a parameter having a linear output voltage
DE4001814A1 (de) * 1990-01-23 1991-07-25 Vdo Schindling Auswerteschaltung fuer einen kapazitiven sensor
JP3233791B2 (ja) * 1994-08-25 2001-11-26 株式会社山武 差動容量反転積分器及びこれを用いた静電容量変化量検出装置
DE102004006020A1 (de) * 2004-02-06 2005-08-25 E + E Elektronik Ges.M.B.H. Schaltungsanordnung zur kapazitiven Feuchtemessung und Verfahren zum Betrieb derselben
JP5033489B2 (ja) * 2007-06-11 2012-09-26 三菱自動車工業株式会社 静電容量変化検出回路
DE102007042500B4 (de) * 2007-09-07 2022-05-05 Innovative Sensor Technology Ist Ag Vorrichtung zur Bestimmung und/oder Überwachung einer Prozessgröße
CH699753A1 (de) * 2008-10-16 2010-04-30 Uster Technologies Ag Vorrichtung und verfahren zum ausmessen einer kapazität.
JP5770596B2 (ja) * 2011-10-21 2015-08-26 旭化成エレクトロニクス株式会社 静電容量検出回路、およびタッチセンサの信号処理回路
RU2697715C1 (ru) * 2018-12-24 2019-08-19 федеральное государственное бюджетное образовательное учреждение высшего образования "Ставропольский государственный аграрный университет" Микроконтроллерное измерительное устройство емкости для встраиваемых вычислительных систем

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3083565A (en) * 1958-06-20 1963-04-02 Bailey Meter Co Dewpoint hygrometer
US3135916A (en) * 1960-05-18 1964-06-02 Itt Apparatus for measuring small capacitance values independent of stray capacitance
US3177427A (en) * 1962-02-26 1965-04-06 Phillips Petroleum Co Capacitance bridge compensating circuit utilizing voltage sensitive capacitors
US3221247A (en) * 1963-02-08 1965-11-30 Simmonds Precision Products Solid state capacity servo measuring system utilizing inductive feedback
US3350941A (en) * 1965-05-20 1967-11-07 Johnson Service Co Humidity sensing element
US3802268A (en) * 1971-05-06 1974-04-09 Johnson Service Co Capacitance humidity sensing element
JPS5061266A (de) * 1973-09-29 1975-05-26
GB1491201A (en) * 1974-10-22 1977-11-09 Wolfendale P Measurement of impedance ratios
GB2020434B (en) * 1978-05-02 1982-09-29 Matsushita Electric Ind Co Ltd Apparatus for humidity detection
GB2058364B (en) * 1979-09-01 1983-03-23 Ferranti Ltd Capacitance measuring apparatus

Also Published As

Publication number Publication date
EP0088561A1 (de) 1983-09-14
ATE80228T1 (de) 1992-09-15
EP0088561B1 (de) 1992-09-02
US4431962A (en) 1984-02-14
JPS58167973A (ja) 1983-10-04
CA1197994A (en) 1985-12-17
DE3382614T2 (de) 1993-02-18
JPH0549953B2 (de) 1993-07-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee