CA965148A - Condition measuring system using components of admittance of an electrical circuit - Google Patents

Condition measuring system using components of admittance of an electrical circuit

Info

Publication number
CA965148A
CA965148A CA147,995A CA147995A CA965148A CA 965148 A CA965148 A CA 965148A CA 147995 A CA147995 A CA 147995A CA 965148 A CA965148 A CA 965148A
Authority
CA
Canada
Prior art keywords
admittance
components
electrical circuit
measuring system
condition measuring
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
Application number
CA147,995A
Other languages
English (en)
Other versions
CA147995S (en
Inventor
Frederick L. Maltby
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.)
Drexelbrook Controls Inc
Original Assignee
Drexelbrook Controls 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 Drexelbrook Controls Inc filed Critical Drexelbrook Controls Inc
Application granted granted Critical
Publication of CA965148A publication Critical patent/CA965148A/en
Expired 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
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/048—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance for determining moisture content of the material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
CA147,995A 1971-08-20 1972-07-26 Condition measuring system using components of admittance of an electrical circuit Expired CA965148A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US17353871A 1971-08-20 1971-08-20

Publications (1)

Publication Number Publication Date
CA965148A true CA965148A (en) 1975-03-25

Family

ID=22632483

Family Applications (1)

Application Number Title Priority Date Filing Date
CA147,995A Expired CA965148A (en) 1971-08-20 1972-07-26 Condition measuring system using components of admittance of an electrical circuit

Country Status (5)

Country Link
US (1) US3746975A (de)
JP (2) JPS5847662B2 (de)
CA (1) CA965148A (de)
DE (1) DE2240813C3 (de)
GB (1) GB1359778A (de)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3864974A (en) * 1971-01-11 1975-02-11 George P Rauchwerger Capacitance probe and system for precision measurement of liquid level
US3936738A (en) * 1974-01-02 1976-02-03 Drexelbrook Controls, Inc. Method of and apparatus for measuring the amount of coating material applied to substrates
US3993947A (en) * 1974-09-19 1976-11-23 Drexelbrook Controls, Inc. Admittance measuring system for monitoring the condition of materials
US4332167A (en) * 1975-11-28 1982-06-01 Drexelbrook Controls, Inc. Method of making an RF admittance measuring probe and product thereof
JPS52143018A (en) * 1976-05-25 1977-11-29 Teijin Ltd Method of regenerating developer waste
US4090408A (en) * 1976-10-12 1978-05-23 Hedrick Geoffrey S Fluid quantity indicator
US4370611A (en) * 1977-11-01 1983-01-25 Georgetown University Identification of materials using their complex dielectric response
US4174498A (en) * 1978-03-30 1979-11-13 Preikschat F K Apparatus and method for providing separate conductivity, dielectric coefficient, and moisture measurements of particulate material
US4181881A (en) * 1978-05-15 1980-01-01 Preikschat F K Electrical impedance measuring apparatus for providing separate measurements of the conductivity and dielectric coefficient of various materials
FR2430608A1 (fr) * 1978-07-06 1980-02-01 Aerospatiale Procede et appareil pour la mesure de la resistance a la corrosion d'une protection recouvrant un corps metallique
US4232300A (en) * 1978-11-24 1980-11-04 Drexelbrook Controls, Inc. Level measuring system using admittance sensing
US4301681A (en) * 1979-09-06 1981-11-24 Drexelbrook Controls, Inc. Method of using capacitor probe with a semiconductive electrode
DE2943198A1 (de) * 1979-10-25 1981-05-14 Eur-Control Källe AB, Säffle Vorrichtung zum messen der elektrischen impedanz von insbesondere teilchenfoermigen materialien
US4363030A (en) * 1979-11-30 1982-12-07 Drexelbrook Engineering Company Fail-safe instrument system
US4415859A (en) * 1980-10-06 1983-11-15 Texaco Inc. Paraffin monitor
US4391146A (en) * 1981-06-01 1983-07-05 Rosemount Inc. Parallel T impedance measurement circuit for use with variable impedance sensor
JPS58114731U (ja) * 1982-01-30 1983-08-05 山本電機インスツルメント株式会社 静電容量式連続レベル計
JPS58123325U (ja) * 1982-02-12 1983-08-22 山本電機インスツルメント株式会社 静電容量式連続レベル計
JPS5955439A (ja) * 1982-09-24 1984-03-30 Konishiroku Photo Ind Co Ltd 製版方法
JPS5988738A (ja) * 1982-11-12 1984-05-22 Mitsubishi Paper Mills Ltd 写真用水洗促進液
US4568874A (en) * 1983-02-17 1986-02-04 Drexelbrook Controls, Inc. RF Admittance apparatus and method for monitoring the contents of a pipe
US4692685A (en) * 1984-03-14 1987-09-08 Blaze Kevin L Electrical measuring apparatus, and methods for determining the condition or identity of biological material
JPS6136744A (ja) * 1984-07-30 1986-02-21 Fuji Photo Film Co Ltd Ｘ−線用ハロゲン化銀写真感光材料の処理方法
GB2170911B (en) * 1985-01-24 1989-02-01 Commw Scient Ind Res Org Apparatus and method for measuring the moisture content of a substance
US4817021A (en) * 1985-01-24 1989-03-28 Commonwealth Scientific And Industrial Research Organisation Moisture and density determination
US4676101A (en) * 1986-09-03 1987-06-30 Walbro Corporation Capacitance-type material level indicator
US5045797A (en) * 1986-10-14 1991-09-03 Drexelbrook Controls, Inc. Continuous condition sensing system determining liquid level by admittance measurement
DE3838608A1 (de) * 1988-11-15 1990-05-17 Lve Verfahrenselektronik Gmbh Verfahren und anordnung zur bestimmung einer prozessvariablen bei der waermebehandlung von metallteilen
EP0840168B1 (de) 1996-10-31 2003-06-18 Fuji Photo Film Co., Ltd. Aminopolycarbonsäure-Chelierungsmittel, diese enthaltende Schwermetallchelatverbindung, photographischer Zusatzstoff und Verfahren zur photographischen Verarbeitung
WO1999006812A2 (en) 1997-08-01 1999-02-11 Drexelbrook Controls, Inc. High accuracy measuring system
US6855791B2 (en) * 2002-07-09 2005-02-15 Signature Control Systems Process and apparatus for improving and controlling the vulcanization of natural and synthetic rubber compounds
US20040133301A1 (en) * 2002-07-09 2004-07-08 Signature Control Systems Process and apparatus for improving and controlling the vulcanization of natural and synthetic rubber compounds
US7167773B2 (en) * 2001-03-21 2007-01-23 Signature Control Systems Process and apparatus for improving and controlling the curing of natural and synthetic moldable compounds
US6774643B2 (en) 2001-03-21 2004-08-10 Signature Control Systems Non-bridged single electrode impedance measurement system for determining a condition of a dielectric according to impedance related changes over a range of frequencies
US7245985B2 (en) * 2001-03-21 2007-07-17 Signature Control Systems Process and apparatus for improving and controlling the vulcanization of natural and synthetic rubber compounds
US7340951B2 (en) * 2005-11-04 2008-03-11 David S. Nyce Distributed impedance sensor
US7676953B2 (en) 2006-12-29 2010-03-16 Signature Control Systems, Inc. Calibration and metering methods for wood kiln moisture measurement
RU2488130C2 (ru) * 2011-06-28 2013-07-20 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Ижевский государственный технический университет имени М.Т.Калашникова" Сканирующий измеритель параметров cg-двухполюсников
CN109870210A (zh) * 2018-12-25 2019-06-11 骆杨斌 液位计中液面高度的确定方法、设备及装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB911975A (de) *
US2008046A (en) * 1931-11-18 1935-07-16 Trojan Powder Co Method for the testing of detonating fuse
US3566259A (en) * 1968-03-29 1971-02-23 Petrolite Corp Instrument for measuring conductance or capacitance of an electrical load during operation

Also Published As

Publication number Publication date
JPS5847662B2 (ja) 1983-10-24
US3746975A (en) 1973-07-17
DE2240813A1 (de) 1973-03-01
JPS5756719A (en) 1982-04-05
DE2240813C3 (de) 1980-02-07
GB1359778A (en) 1974-07-10
JPS619566B2 (de) 1986-03-25
DE2240813B2 (de) 1979-05-31
JPS4830496A (de) 1973-04-21

Similar Documents

Publication Publication Date Title
CA965148A (en) Condition measuring system using components of admittance of an electrical circuit
AU454506B2 (en) An electrical connector
CA938670A (en) Electrical circuit arrangement
AU461857B2 (en) Noise-figure measuring circuit
CA946919A (en) Electrical charging circuit
CA1033415A (en) Circuit arrangement for measuring the effective value of an electric signal
CA942935A (en) Methods of and apparatus for assembling electrical components
CA921577A (en) Construction of electrical components
CA812970A (en) Mounting of electrical components
CA867504A (en) Terminal construction for electrical circuit device
CA875165A (en) Circuit arrangement for measuring electrical energy
CA638602A (en) Electronic time measuring circuit
CA866445A (en) Terminal construction for electrical circuit element
AU462671B2 (en) Electrical circuit apparatus
CA975427A (en) Electrical circuit tester
CA814041A (en) Electrical measuring instrument
AU3318371A (en) Electronic circuit arrangement for monitoring instruments of electric communication engineering
CA807274A (en) Multiconductor impedance testing circuit
CA819873A (en) Electrical measuring apparatus
CA884616A (en) Method of making an electrical circuit assembly
CA693732A (en) Measuring electrical characteristics of electrical components
AU439595B2 (en) Apparatus for staking electrical terminals
CA639562A (en) Electrical measuring apparatus having improved electronic inverter circuit
AU462713B2 (en) Electrical components including terminal members
CA872454A (en) Device for making an electrical connection