FR2433187B1 - Procede et appareil pour l'identification de matieres par l'emploi de leurs caracteristiques complexes de reponse dielectrique - Google Patents

Procede et appareil pour l'identification de matieres par l'emploi de leurs caracteristiques complexes de reponse dielectrique

Info

Publication number
FR2433187B1
FR2433187B1 FR7923303A FR7923303A FR2433187B1 FR 2433187 B1 FR2433187 B1 FR 2433187B1 FR 7923303 A FR7923303 A FR 7923303A FR 7923303 A FR7923303 A FR 7923303A FR 2433187 B1 FR2433187 B1 FR 2433187B1
Authority
FR
France
Prior art keywords
identification
materials
response characteristics
complex dielectric
dielectric response
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
FR7923303A
Other languages
English (en)
Other versions
FR2433187A1 (fr
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.)
Georgetown University
Original Assignee
Georgetown University
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 Georgetown University filed Critical Georgetown University
Publication of FR2433187A1 publication Critical patent/FR2433187A1/fr
Application granted granted Critical
Publication of FR2433187B1 publication Critical patent/FR2433187B1/fr
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
    • G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
    • G01N27/228—Circuits therefor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/22—Fuels; Explosives
    • G01N33/227—Explosives, e.g. combustive properties thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Pathology (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
FR7923303A 1977-11-01 1979-09-17 Procede et appareil pour l'identification de matieres par l'emploi de leurs caracteristiques complexes de reponse dielectrique Expired FR2433187B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US84742577A 1977-11-01 1977-11-01

Publications (2)

Publication Number Publication Date
FR2433187A1 FR2433187A1 (fr) 1980-03-07
FR2433187B1 true FR2433187B1 (fr) 1986-03-07

Family

ID=25300601

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7923303A Expired FR2433187B1 (fr) 1977-11-01 1979-09-17 Procede et appareil pour l'identification de matieres par l'emploi de leurs caracteristiques complexes de reponse dielectrique

Country Status (11)

Country Link
EP (1) EP0001919A1 (fr)
JP (1) JPS54500043A (fr)
CA (1) CA1142228A (fr)
CH (1) CH650338A5 (fr)
DE (1) DE2857389A1 (fr)
FR (1) FR2433187B1 (fr)
GB (1) GB2041533B (fr)
IT (1) IT1100002B (fr)
NL (1) NL176810C (fr)
SE (1) SE440557B (fr)
WO (1) WO1979000257A1 (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57130974A (en) * 1981-02-04 1982-08-13 Takeda Chem Ind Ltd 4-pyrazolyl phosphorous acid ester derivative and its preparation
JPS5885314A (ja) * 1981-11-17 1983-05-21 Nissan Motor Co Ltd エンジンオイルの劣化検知装置
JPS58160857A (ja) * 1982-03-18 1983-09-24 Matsushita Electric Ind Co Ltd 複合プラスチツクにおける充填材の分散性評価法
DE3740719A1 (de) * 1987-12-01 1989-06-15 Endress Hauser Gmbh Co Verfahren und anordnung zur messung des wasserdampf-taupunkts in gasen
GB8825435D0 (en) * 1988-10-31 1988-12-29 Cross T E Detection of non metallic material
DE4022563A1 (de) * 1990-04-11 1991-10-17 Flachglas Ag Verfahren zur kontaktlosen messung des elektrischen widerstands eines untersuchungsmaterials
US5196799A (en) * 1990-07-12 1993-03-23 Drexel University Method and apparatus for testing a protective barrier material for pinholes and tear strength
US5076566A (en) * 1990-07-16 1991-12-31 Eastman Kodak Company Self-calibrating system for detecting media movement by using capacitors as sensors
US5035415A (en) * 1990-07-16 1991-07-30 Eastman Kodak Company System for detecting the accurate positioning of sheets along a feed path by using capacitors as sensors
AU655602B2 (en) * 1990-10-12 1995-01-05 Sentek Pty Ltd Moisture and salinity sensor and method of use
US5418466A (en) * 1990-10-12 1995-05-23 Watson; Keith Moisture and salinity sensor and method of use
GB9317633D0 (en) * 1993-08-25 1994-10-26 Secr Defence Detection of liquid incendiaries
US5668309A (en) * 1995-08-31 1997-09-16 Caterpillar Inc. Capacitive particle sensor
GB2359138B (en) * 2000-02-12 2004-06-16 Stuart Ian Jackman Method and apparatus for monitoring adsorbed water
GB0019132D0 (en) * 2000-08-04 2000-09-27 Aurora Technical Trading Ltd A solution monitor
DE102006048401A1 (de) * 2006-10-12 2008-04-17 Printed Systems Gmbh System und Verfahren zum Speichern und Lesen von Informationen
CN102998360B (zh) * 2012-12-25 2015-03-04 重庆勤智科技有限公司 基于电场感应的变压器绝缘油老化在线检测方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3155898A (en) * 1960-07-11 1964-11-03 Industrial Nucleonics Corp Method and apparatus for measuring multiple properties of material by applying electric fields at multiple frequencies and combining detection signals
US3075461A (en) * 1960-10-28 1963-01-29 Bilker & Moyerman Method and apparatus for detonating radio frequency sensitive blasting caps
DE1448010A1 (de) * 1961-03-01 1969-01-09 Berthold Lab Prof R Verfahren und Einrichtung fuer das Sortieren von Kalk nach dem Brenngrad
US3255410A (en) * 1962-02-21 1966-06-07 Industrial Nucleonics Corp System and method for measuring a property of dielectric material by periodically and alternately applying signals at different frequencies to a capacitance probe and measuring the difference in output signals while maintaining the average amplitude of the output signals constant
US3255412A (en) * 1962-02-24 1966-06-07 Industrial Nucleonics Corp System for measuring a property of a dielectric material by periodically applying signals at different frequencies to a capacitance probe
US3479585A (en) * 1967-08-02 1969-11-18 Us Air Force System for measuring the impedance and phase of a solid propellant including a constant current source
US3684952A (en) * 1970-04-07 1972-08-15 Moisture Register Co Apparatus for measuring dielectric constant
US3860882A (en) * 1971-05-10 1975-01-14 Drexelbrook Controls Continuous condition measuring system
US4058766A (en) * 1976-06-21 1977-11-15 Agridustrial Electronics, Inc. Multiple-frequency permittivity tester

Also Published As

Publication number Publication date
DE2857389A1 (de) 1980-05-22
GB2041533A (en) 1980-09-10
EP0001919A1 (fr) 1979-05-16
IT1100002B (it) 1985-09-28
CH650338A5 (de) 1985-07-15
SE8000554L (sv) 1980-01-23
JPS54500043A (fr) 1979-10-25
NL7815048A (nl) 1980-01-31
FR2433187A1 (fr) 1980-03-07
SE440557B (sv) 1985-08-05
GB2041533B (en) 1983-01-26
CA1142228A (fr) 1983-03-01
WO1979000257A1 (fr) 1979-05-17
IT7829252A0 (it) 1978-10-30
NL176810C (nl) 1985-06-03
NL176810B (nl) 1985-01-02

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Legal Events

Date Code Title Description
ST Notification of lapse