FR2336676B1 - - Google Patents
Info
- Publication number
- FR2336676B1 FR2336676B1 FR7635768A FR7635768A FR2336676B1 FR 2336676 B1 FR2336676 B1 FR 2336676B1 FR 7635768 A FR7635768 A FR 7635768A FR 7635768 A FR7635768 A FR 7635768A FR 2336676 B1 FR2336676 B1 FR 2336676B1
- Authority
- FR
- France
- 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
- G01N22/00—Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
- G01N22/04—Investigating moisture content
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2552954A DE2552954C3 (de) | 1975-11-26 | 1975-11-26 | Vorrichtung zur Feuchtemessung von räumlich ausgedehnten Proben |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2336676A1 FR2336676A1 (fr) | 1977-07-22 |
FR2336676B1 true FR2336676B1 (fr) | 1980-07-18 |
Family
ID=5962617
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7635768A Granted FR2336676A1 (fr) | 1975-11-26 | 1976-11-26 | Dispositif de mesure de l'humidite d'echantillons de grandes dimensions |
Country Status (6)
Country | Link |
---|---|
US (1) | US4155035A (fr) |
DE (1) | DE2552954C3 (fr) |
FR (1) | FR2336676A1 (fr) |
GB (1) | GB1566737A (fr) |
NL (1) | NL7613161A (fr) |
SE (1) | SE7613207L (fr) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4257001A (en) * | 1979-04-13 | 1981-03-17 | John G. Abramo | Resonant circuit sensor of multiple properties of objects |
US4364012A (en) * | 1980-03-03 | 1982-12-14 | The Board Of Trustees Of The Leland Stanford Junior University | FMR Probe method utilizing main and spurious resonance modes for detecting surface flaws |
US4789820A (en) * | 1986-01-08 | 1988-12-06 | Hercules Incorporated | Apparatus and method for sensing multiple parameters of sheet material |
GB2194340A (en) * | 1986-08-21 | 1988-03-02 | Agricultural & Food Res | Moisture content measurement |
GB2202947B (en) * | 1987-03-09 | 1990-12-05 | Atomic Energy Authority Uk | Microwave probe |
US5315258A (en) * | 1989-01-13 | 1994-05-24 | Kajaani Elektroniikka Oy | Method and apparatus for determining the moisture content of a material |
DE3920787A1 (de) * | 1989-06-24 | 1991-01-10 | Kernforschungsz Karlsruhe | Verfahren und eine vorrichtung zur messung des volumentrischen wasseranteils mineralischer und/oder organischer gemische |
DE4004119A1 (de) * | 1990-02-10 | 1991-08-14 | Tews Elektronik Dipl Ing Manfr | Verfahren zur messung der feuchte eines messgutes mit hilfe von mikrowellen und vorrichtung zur durchfuehrung des verfahrens |
GB9121678D0 (en) * | 1991-10-12 | 1991-11-27 | Unaform Ltd | Microwave drainage meter |
US5939889A (en) * | 1993-05-07 | 1999-08-17 | Colorado State University Research Foundation | Strength-related testing of concrete using microwave signals |
GB2294326A (en) * | 1994-10-06 | 1996-04-24 | Scapa Group Plc | Moisture detection meter |
US5838158A (en) * | 1995-08-08 | 1998-11-17 | Appleton Mills | Measuring system for measuring the amount of dielectric in a web |
DE19705260B4 (de) | 1996-02-20 | 2008-12-24 | Hauni Maschinenbau Ag | Anordnung zum Erfassen mindestens einer dielektrischen Eigenschaft eines Stoffes |
DE29711571U1 (de) * | 1997-07-02 | 1998-11-05 | Tews Elektronik Dipl.-Ing. Manfred Tews, 22459 Hamburg | Feuchte- und Dichtesensor |
US6837122B2 (en) * | 2001-11-28 | 2005-01-04 | Tews Elektronik | Device and method for detecting the mass and the moisture content for spinning preparation machines |
EP1655601A4 (fr) * | 2003-07-31 | 2008-01-23 | Oji Paper Co | Procede et dispositif pour mesurer une teneur en humidite |
FI119526B (fi) * | 2005-05-17 | 2008-12-15 | Senfit Oy | Menetelmä ja mittalaite mitata vesipitoisuutta |
FI121556B (fi) * | 2006-06-22 | 2010-12-31 | Metso Paper Inc | Vesipitoisuuden mittaus |
EP2175261A3 (fr) | 2006-09-29 | 2010-07-21 | Forschungszentrum Jülich Gmbh | Identification d'un échantillon dans un récipient, par exemple durant le check-in, par détermination de la fréquence de résonance et du facteur de qualité d'un résonateur diélectrique, auquel le récipient est disposé |
DE102006046657A1 (de) * | 2006-09-29 | 2008-04-03 | Forschungszentrum Jülich GmbH | Verfahren zur Identifikation einer Probe in einem Behälter und Messvorrichtung hierzu |
DE102007058836A1 (de) * | 2007-12-05 | 2009-06-10 | Forschungszentrum Jülich GmbH | Verfahren und Vorrichtung zur Bestimmung von Biomasse sowie der Bestimmung des Feuchtegehalts von Boden mittels dielektrischer Messungen im Mikrowellenresonator |
DE102009007362A1 (de) | 2009-02-04 | 2010-08-19 | Siemens Aktiengesellschaft | Verfahren und Vorrichtung zur Bestimmung des Feuchtegehalts von Altpapier |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1106185A (en) * | 1964-05-29 | 1968-03-13 | Nils Bertil Agdur | Device for measuring a property of a material |
DE1265859B (de) * | 1965-06-18 | 1968-04-11 | Eltro G M B H & Co Ges Fuer St | Vorrichtung zum Ermitteln elektrischer und/oder magnetischer Kenngroessen eines elektrisch nichtleitenden Stoffes durch Resonanzmessung bei Mikrowellen |
US3514703A (en) * | 1966-02-10 | 1970-05-26 | Yawata Seitetsu Kk | Method for measuring the configuration or thickness of a moving metal body by microwave resonators |
SU381039A1 (ru) * | 1971-09-20 | 1973-05-15 | Устройство для измерения механических | |
DE2221213A1 (de) * | 1972-04-29 | 1973-11-15 | Licentia Gmbh | Verfahren zum bestimmen der dielektrizitaetskonstanten eines probekoerpers |
-
1975
- 1975-11-26 DE DE2552954A patent/DE2552954C3/de not_active Expired
-
1976
- 1976-11-12 US US05/741,575 patent/US4155035A/en not_active Expired - Lifetime
- 1976-11-23 GB GB48750/76A patent/GB1566737A/en not_active Expired
- 1976-11-25 NL NL7613161A patent/NL7613161A/xx not_active Application Discontinuation
- 1976-11-25 SE SE7613207A patent/SE7613207L/xx unknown
- 1976-11-26 FR FR7635768A patent/FR2336676A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
SE7613207L (sv) | 1977-05-27 |
DE2552954A1 (de) | 1977-06-02 |
GB1566737A (en) | 1980-05-08 |
NL7613161A (nl) | 1977-05-31 |
US4155035A (en) | 1979-05-15 |
FR2336676A1 (fr) | 1977-07-22 |
DE2552954B2 (de) | 1978-12-07 |
DE2552954C3 (de) | 1979-08-16 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |