ATE12836T1 - Verfahren zur messung der feuchtigkeit eines materials. - Google Patents

Verfahren zur messung der feuchtigkeit eines materials.

Info

Publication number
ATE12836T1
ATE12836T1 AT81103859T AT81103859T ATE12836T1 AT E12836 T1 ATE12836 T1 AT E12836T1 AT 81103859 T AT81103859 T AT 81103859T AT 81103859 T AT81103859 T AT 81103859T AT E12836 T1 ATE12836 T1 AT E12836T1
Authority
AT
Austria
Prior art keywords
moisture
measuring
transmission means
circuit means
shunt
Prior art date
Application number
AT81103859T
Other languages
English (en)
Inventor
Donald H Steinbrecher
Original Assignee
Philip Morris 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 Philip Morris Inc filed Critical Philip Morris Inc
Application granted granted Critical
Publication of ATE12836T1 publication Critical patent/ATE12836T1/de

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)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Sampling And Sample Adjustment (AREA)
AT81103859T 1980-05-23 1981-05-20 Verfahren zur messung der feuchtigkeit eines materials. ATE12836T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/152,597 US4358731A (en) 1980-05-23 1980-05-23 Apparatus and method for moisture measurement
EP81103859A EP0040805B1 (de) 1980-05-23 1981-05-20 Verfahren zur Messung der Feuchtigkeit eines Materials

Publications (1)

Publication Number Publication Date
ATE12836T1 true ATE12836T1 (de) 1985-05-15

Family

ID=22543586

Family Applications (1)

Application Number Title Priority Date Filing Date
AT81103859T ATE12836T1 (de) 1980-05-23 1981-05-20 Verfahren zur messung der feuchtigkeit eines materials.

Country Status (5)

Country Link
US (1) US4358731A (de)
EP (1) EP0040805B1 (de)
AT (1) ATE12836T1 (de)
CA (1) CA1168706A (de)
DE (1) DE3169947D1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4890053A (en) * 1988-04-15 1989-12-26 Philip Morris Incorporated Method and apparatus for detecting a missing object in a set of objects
US6854322B2 (en) * 2002-06-10 2005-02-15 The Procter & Gamble Company Directional coupler sensor
WO2005106464A1 (en) * 2004-04-26 2005-11-10 The Procter & Gamble Company Methods of assessing characteristics of fibrous substrates and treating fibrous substrates
CN101484797A (zh) * 2006-06-30 2009-07-15 宝洁公司 用于测量微带定向耦合器的覆盖层（例如毛发）中的水分的装置
GB201012516D0 (en) * 2010-07-26 2010-09-08 Oxford Rf Sensors Ltd Cavity resonator
EP2743686A4 (de) * 2011-08-11 2015-04-08 Oji Holdings Corp Vorrichtung zur messung des feuchtegehalts und/oder der beschichtungsmenge einer schicht aus blattförmigem basismaterial
US9383439B2 (en) 2013-06-27 2016-07-05 The United States of America as represented by the Federal Bureau of Investigation, Dept. of Justice Detection of conductive material in a thin film
CN103399022B (zh) * 2013-07-25 2016-03-30 湖南合立拓普科技有限公司 一种烟包在线微波水分检测方法及系统

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2548598A (en) * 1950-02-17 1951-04-10 Gen Electric Apparatus for detection of flaws by means of microwaves
US2671884A (en) * 1950-09-19 1954-03-09 Gen Precision Lab Inc Microwave magnetic control
US2798197A (en) * 1953-11-16 1957-07-02 Shell Dev Microwave bridge
US3360721A (en) * 1963-10-30 1967-12-26 Liggett & Myers Tobacco Co Determination of moisture in tobacco
GB1111384A (en) * 1963-12-05 1968-04-24 Microwave Instr Ltd Microwave apparatus for measuring moisture content
GB1124461A (en) * 1965-01-07 1968-08-21 Ass Elect Ind Improvements in the measurement of the moisture content of specimens
US3460031A (en) * 1966-06-08 1969-08-05 Industrial Nucleonics Corp Microwave waveguide moisture measurement
US3498112A (en) * 1968-04-30 1970-03-03 Us Navy Microwave system for determining water content in fuel oil
GB1376747A (en) * 1971-02-11 1974-12-11 Molins Ltd Monitoring devices
BE792234A (fr) * 1971-12-03 1973-03-30 Liggett & Myers Inc Procedes et appareils pour determiner la teneur en humidite de tabac
DE2165819A1 (de) * 1971-12-31 1973-07-19 Hauni Werke Koerber & Co Kg Verfahren und anordnung zum erfassen der feuchte von tabak
US4104585A (en) * 1974-12-23 1978-08-01 National Research Development Corporation Measurement of impurity concentration in liquids
US4234844A (en) * 1977-05-02 1980-11-18 Near Field Technology Co. Electromagnetic noncontacting measuring apparatus

Also Published As

Publication number Publication date
EP0040805A1 (de) 1981-12-02
DE3169947D1 (en) 1985-05-23
CA1168706A (en) 1984-06-05
US4358731A (en) 1982-11-09
EP0040805B1 (de) 1985-04-17

Similar Documents

Publication Publication Date Title
GB2023824B (en) Method and apparatus for ultrasonically measuring concentrations of stress
JPS552985A (en) Method and device for detecting and measuring surface flaw of article
NO770164L (no) Fremgangsm}te og apparat for hurtig bestemmelse av i det minste en karakteristisk egenskap eller parameter vedr¦rende olje-innhold i geologiske sedimenter.
GB2049927B (en) Method and apparatus for measuring the moisture content of paper
DE3069605D1 (en) Method of and apparatus for measuring trace amounts of oxygen
JPS557696A (en) Method and device for measuring dielctric breakdown and scale for particles enclosed with membrane
JPS55152437A (en) Measuring apparatus to be used in acoustic measurement of liquid density
ZA792926B (en) Apparatus and method for luminescent determination of concentration of an analtye in a sample
JPS54123096A (en) Method and test implement for measuring oxidizable substanceand method of making said test implement
MY8000001A (en) Method of and apparatus for non-destructively determining the composition of an unknown material sample
AU521849B2 (en) Improvements in or relating to apparatus for non-destructive testing of elongated ferro-magnetic objects
ATE12836T1 (de) Verfahren zur messung der feuchtigkeit eines materials.
FR2328201A1 (fr) Sonde pour la mesure de la conductibilite et/ou de la concentration de solutions
ATA413481A (de) Schaltung zur abtastung eines eingangssignals
JPS5285885A (en) Method of and instrument for measuring content of low molecular compound in composite medium
JPS5551338A (en) Method and device for measuring concentration of constituent in sample
CH531179A (de) Verfahren und Einrichtung zur Messung der Frequenz von einem einen bestimmten, einstellbaren Pegel überschreitenden elektrischen Signal
PT88049A (pt) Method and apparatus for determining the propensity of a paper or board to dust
JPS5349466A (en) Method of and apparatus for inspecting and measuring container
JPS5219596A (en) Method of and instrument for measuring content of inorganic carbon in liquid
FR2296851A1 (fr) Procede et dispositif pour l'affichage numerique de valeurs electriques de mesure et/ou d'essai
JPS5518994A (en) Composition * testing instrument and method for measuring urobilinogen present in test sample
JPS5263749A (en) Method and apparatus for signal processing in automatic air pollution measuring instruments
DE3066478D1 (en) Method and apparatus for accurately determining the rms value of an unknown signal
AT378452B (de) Verfahren zur bestimmung des triggerpunktes eines elektrischen signals und vorrichtung zur durchfuehrung des verfahrens

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
EEIH Change in the person of patent owner
REN Ceased due to non-payment of the annual fee