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 dielectriqueInfo
- 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
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)
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)
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)
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 |
-
1978
- 1978-10-30 IT IT29252/78A patent/IT1100002B/it active
- 1978-10-31 JP JP50007478A patent/JPS54500043A/ja active Pending
- 1978-10-31 CA CA000315634A patent/CA1142228A/fr not_active Expired
- 1978-10-31 WO PCT/US1978/000132 patent/WO1979000257A1/fr unknown
- 1978-11-01 GB GB7935269A patent/GB2041533B/en not_active Expired
- 1978-11-01 CH CH3393/80A patent/CH650338A5/de not_active IP Right Cessation
- 1978-11-01 EP EP78300577A patent/EP0001919A1/fr not_active Withdrawn
- 1978-11-01 DE DE19782857389 patent/DE2857389A1/de not_active Ceased
- 1978-11-01 NL NLAANVRAGE7815048,A patent/NL176810C/xx not_active IP Right Cessation
-
1979
- 1979-09-17 FR FR7923303A patent/FR2433187B1/fr not_active Expired
-
1980
- 1980-01-23 SE SE8000554A patent/SE440557B/sv not_active IP Right Cessation
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 |