IT1140568B - Circuito per la misura dell'impedenza - Google Patents

Circuito per la misura dell'impedenza

Info

Publication number
IT1140568B
IT1140568B IT19867/80A IT1986780A IT1140568B IT 1140568 B IT1140568 B IT 1140568B IT 19867/80 A IT19867/80 A IT 19867/80A IT 1986780 A IT1986780 A IT 1986780A IT 1140568 B IT1140568 B IT 1140568B
Authority
IT
Italy
Prior art keywords
circuit
measuring impedance
impedance
measuring
Prior art date
Application number
IT19867/80A
Other languages
English (en)
Other versions
IT8019867A0 (it
Inventor
Tuska James Wilson
Robbi Anthony Drea
Original Assignee
Rca Corp
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 Rca Corp filed Critical Rca Corp
Publication of IT8019867A0 publication Critical patent/IT8019867A0/it
Application granted granted Critical
Publication of IT1140568B publication Critical patent/IT1140568B/it

Links

Classifications

    • 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
    • G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
    • G01D3/02—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups with provision for altering or correcting the law of variation
    • G01D3/024—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups with provision for altering or correcting the law of variation for range change; Arrangements for substituting one sensing member by another
    • 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
    • G01D5/244—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 characteristics of pulses or pulse trains; generating pulses or pulse trains
    • G01D5/246—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 characteristics of pulses or pulse trains; generating pulses or pulse trains by varying the duration of individual pulses
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
    • G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
    • G01K7/22—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor
    • G01K7/24—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor in a specially-adapted circuit, e.g. bridge circuit
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Technology Law (AREA)
  • Nonlinear Science (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
IT19867/80A 1979-02-26 1980-02-12 Circuito per la misura dell'impedenza IT1140568B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/015,055 US4206648A (en) 1979-02-26 1979-02-26 Impedance measuring circuit

Publications (2)

Publication Number Publication Date
IT8019867A0 IT8019867A0 (it) 1980-02-12
IT1140568B true IT1140568B (it) 1986-10-01

Family

ID=21769287

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19867/80A IT1140568B (it) 1979-02-26 1980-02-12 Circuito per la misura dell'impedenza

Country Status (4)

Country Link
US (1) US4206648A (it)
JP (1) JPS55117974A (it)
DE (1) DE3007152A1 (it)
IT (1) IT1140568B (it)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH637474A5 (fr) * 1979-06-07 1983-07-29 Bioself Int Inc Thermometre electronique.
US4296632A (en) * 1980-02-14 1981-10-27 General Electric Company Temperature-to-frequency conversion apparatus
AT369332B (de) * 1980-08-06 1982-12-27 Friedmann Kg Alex Temperaturregeleinrichtung fuer eine klima- bzw. heizanlage, vorzugsweise in eisenbahnfahrzeugen
US4551009A (en) * 1981-12-21 1985-11-05 Mita Industrial Co., Ltd. Electrostatic copying apparatus
FR2518738B1 (fr) * 1981-12-23 1985-10-18 Flopetrol Etu Fabrications Dispositif pour la mesure de dimensions internes d'un tube, notamment dans un puits et procede de mesure de deplacement applicable a un tel dispositif
DE3238769A1 (de) * 1982-10-20 1984-04-26 Kurt Wolf & Co Kg, 7547 Wildbad Einrichtung an einem kochgefaess, insbesondere dampfdruckkochtopf
FR2538542B1 (fr) * 1982-12-28 1985-12-13 Feuillee Michel Dispositif de mesure a capteur capacitif ou resistif et a sortie numerique pour mesures de grandeurs physiques
US4549149A (en) * 1983-04-08 1985-10-22 Warner-Lambert Technologies, Inc. Current to frequency converter switched to increased frequency when current input low
DE3343885C2 (de) * 1983-04-21 1996-12-12 Wabco Gmbh Induktiver Sensor
USH562H (en) 1985-02-26 1988-12-06 Accurate electronic thermometer
DE3714165A1 (de) * 1987-04-28 1988-11-17 Deutsches Elektronen Synchr Temperaturmessschaltung
JPH01287472A (ja) * 1988-05-14 1989-11-20 Murata Mfg Co Ltd コンデンサ絶縁抵抗の測定方法
DE3940341A1 (de) * 1989-12-06 1991-06-13 Bosch Gmbh Robert Einrichtung zur verbesserung der genauigkeit einer messwerterfassung
CH687349A5 (de) 1996-07-24 1996-11-15 Landis & Gyr Ag Schaltungsanordnung zur Messung der Temperatur eines temperaturabhaengigen Widerstandes
US6434232B1 (en) * 1999-08-23 2002-08-13 Intersil Corporation Apparatus and method for measuring loop impedance
DE10056806A1 (de) * 2000-11-17 2002-06-13 Wittenstein Ag Ermittlung und/oder Auswertung einer analogen Messgrösse
US6824307B2 (en) * 2000-12-12 2004-11-30 Harris Corporation Temperature sensor and related methods
FI117409B (fi) * 2004-06-10 2006-09-29 Abb Oy Anturiresistanssin isoloitu mittauspiiri
US7413343B2 (en) * 2005-09-16 2008-08-19 Kyocera Wireless Corp. Apparatus for determining a temperature sensing element
US7496481B2 (en) * 2006-05-19 2009-02-24 Watlow Electric Manufacturing Company Sensor adaptors and methods
US7496469B2 (en) * 2006-05-19 2009-02-24 Watlow Electric Manufacturing Company Temperature sensor adaptors and methods
US7722362B2 (en) * 2006-06-22 2010-05-25 Watlow Electric Manufacturing Company Sensor adaptor circuit housing incapsulating connection of an input connector with a wire
DE102006030774A1 (de) * 2006-06-30 2008-02-21 Endress + Hauser Conducta Gesellschaft für Mess- und Regeltechnik mbH + Co. KG Verfahren zur Bestimmung des Bürdenwiderstandes für einen Messumformer
EP2085838B1 (en) * 2008-02-01 2014-01-08 Rockwell Automation Limited Input channel diagnostics
DE102009001695B4 (de) * 2009-03-20 2020-08-20 Ifm Electronic Gmbh Verfahren und Anordnung zur Impedanzmessung
KR101615435B1 (ko) * 2014-06-09 2016-04-26 한국과학기술원 센서 저항을 이용한 온도 측정 장치 및 그 방법
RU2698072C1 (ru) * 2018-12-24 2019-08-21 Федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский Томский политехнический университет" Способ определения параметров полного сопротивления двухполюсника и устройство для его осуществления

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2349442C2 (de) * 1973-10-02 1982-09-09 Robert Bosch Gmbh, 7000 Stuttgart Oszillator
US3906391A (en) * 1974-06-14 1975-09-16 Westinghouse Electric Corp Linear period thermistor temperature oscillator

Also Published As

Publication number Publication date
JPS55117974A (en) 1980-09-10
US4206648A (en) 1980-06-10
DE3007152A1 (de) 1980-09-11
IT8019867A0 (it) 1980-02-12

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