SE461551B - Mikrovaagssensor foer maetning av fuktighetshalten i ett banformigt maetobjekt - Google Patents

Mikrovaagssensor foer maetning av fuktighetshalten i ett banformigt maetobjekt

Info

Publication number
SE461551B
SE461551B SE8402258A SE8402258A SE461551B SE 461551 B SE461551 B SE 461551B SE 8402258 A SE8402258 A SE 8402258A SE 8402258 A SE8402258 A SE 8402258A SE 461551 B SE461551 B SE 461551B
Authority
SE
Sweden
Prior art keywords
horn antenna
measuring object
microwave
transmitter
receiver
Prior art date
Application number
SE8402258A
Other languages
English (en)
Swedish (sv)
Other versions
SE8402258L (sv
SE8402258D0 (sv
Inventor
H Ishikawa
S Kiyobe
Original Assignee
Yokogawa Electric Corp
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 Yokogawa Electric Corp filed Critical Yokogawa Electric Corp
Publication of SE8402258D0 publication Critical patent/SE8402258D0/xx
Publication of SE8402258L publication Critical patent/SE8402258L/
Publication of SE461551B publication Critical patent/SE461551B/sv

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N22/00Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
    • G01N22/04Investigating moisture content
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/34Paper
    • G01N33/346Paper sheets

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Immunology (AREA)
  • General Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Geophysics And Detection Of Objects (AREA)
SE8402258A 1983-04-26 1984-04-25 Mikrovaagssensor foer maetning av fuktighetshalten i ett banformigt maetobjekt SE461551B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58073538A JPS59197843A (ja) 1983-04-26 1983-04-26 マイクロ波水分計

Publications (3)

Publication Number Publication Date
SE8402258D0 SE8402258D0 (sv) 1984-04-25
SE8402258L SE8402258L (sv) 1984-10-27
SE461551B true SE461551B (sv) 1990-02-26

Family

ID=13521105

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8402258A SE461551B (sv) 1983-04-26 1984-04-25 Mikrovaagssensor foer maetning av fuktighetshalten i ett banformigt maetobjekt

Country Status (6)

Country Link
US (1) US4620146A (nl)
JP (1) JPS59197843A (nl)
CA (1) CA1237171A (nl)
DE (1) DE3415610C2 (nl)
NL (1) NL191619C (nl)
SE (1) SE461551B (nl)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4767981A (en) * 1986-06-02 1988-08-30 Advanced Moisture Technology, Inc. Moisture content detector
JPS63145951A (ja) * 1986-12-09 1988-06-18 Daipoole:Kk 糸状材料の物性量測定装置
US4767982A (en) * 1987-06-01 1988-08-30 Master Chemical Corporation Concentration detection system
US4890053A (en) * 1988-04-15 1989-12-26 Philip Morris Incorporated Method and apparatus for detecting a missing object in a set of objects
US4967751A (en) * 1988-05-04 1990-11-06 Mmtc, Inc. Apparatus and method for monitoring the waveform of cyclic movement within the thorax of an individual
JPH0629866B2 (ja) * 1988-07-07 1994-04-20 カワサキ機工株式会社 マイクロ波による水分測定装置
DE3915280C2 (de) * 1989-05-10 1993-11-04 Berthold Lab Prof R Vorrichtung zur mikrowellen-transmissions- oder absorptionsmessung
US5237334A (en) * 1989-06-29 1993-08-17 Waters William M Focal plane antenna array for millimeter waves
DE4030802C2 (de) * 1990-09-28 1998-01-29 Siemens Ag Meßanordnung zur berührungslosen Bestimmung der Dicke und/oder thermischen Eigenschaften von Folien und dünnen Oberflächenbeschichtungen und/oder der Absorptionseigenschaften inhomogener Materialien
FR2707396B1 (fr) * 1993-07-06 1995-09-01 Bordeaux I Universite Procédé et dispositif de détection de défauts d'homogénéité dans une bande ou feuille mince en matériau diélectrique.
DE4426280A1 (de) * 1994-07-25 1996-02-01 Reich Ernst Verfahren zum Ermitteln der Beladung eines Gasstroms mit Feststoffanteilen
DE19725305A1 (de) * 1997-06-14 1998-12-17 Micas Elektronik Gmbh U Co Kg Verfahren und Vorrichtung zur Bestimmung des Feuchtigkeitsgehalts von Gegenständen
DE19741519A1 (de) * 1997-09-20 1999-03-25 Voith Sulzer Papiermasch Gmbh Meßverfahren zur Bestimmung des Feuchtigkeitsgehaltes einer Faserstoffbahn
DE29721039U1 (de) * 1997-11-28 1998-02-05 Berthold Technologies GmbH & Co KG, 75323 Bad Wildbad Vorrichtung zur Transmissionsmessung mit Hilfe von Mikrowellen
US6111415A (en) * 1998-01-09 2000-08-29 Malcam Ltd. Device and method for determining the moisture content of a bulk material
US6092924A (en) * 1998-02-10 2000-07-25 Denver Instrument Company Microwave moisture analyzer: apparatus and method
US6247246B1 (en) 1998-05-27 2001-06-19 Denver Instrument Company Microwave moisture analyzer: apparatus and method
FR2833080B1 (fr) * 2001-12-05 2004-10-29 France Etat Ponts Chaussees Procede de determination de la teneur en eau d'un materiau et dispositif de mesure
ITFI20130266A1 (it) 2013-11-05 2015-05-06 Advanced Microwave Engineering S R L Dispositivo e metodo associato per la rilevazione e la misura delle caratteristiche fisico-chimiche di materiali in forma di fogli, film, tessuti, strati depositati su di un supporto o simili.
WO2016126999A1 (en) * 2015-02-04 2016-08-11 Massachusetts Institute Of Technology Rf attenuation measurement system and method
US9891164B2 (en) 2015-08-27 2018-02-13 Honeywell Limited Holmium oxide glasses as calibration standards for near infrared moisture sensors
RU2629701C1 (ru) * 2016-04-06 2017-08-31 Федеральное государственное учреждение науки Институт проблем управления им. В.А. Трапезникова Российской академии наук Устройство для измерения влагосодержания жидкости
CN109632833B (zh) * 2019-01-23 2020-04-17 浙江大学 一种应用于谷物含水率检测系统的微波天线检测距离优化装置及其方法
US10996179B2 (en) * 2019-03-11 2021-05-04 Skaha Remote Sensing Ltd. System and method to detect ground moisture
US11692950B2 (en) * 2019-03-11 2023-07-04 Skaha Remote Sensing Ltd. System and method to detect ground moisture

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1052250A (nl) * 1900-01-01
US3156917A (en) * 1960-02-22 1964-11-10 Marelli Lenkurt S P A Antenna reflector and feed with absorbers to reduce back radiation to feed
US3681684A (en) * 1970-08-03 1972-08-01 Beloit Corp Microwave moisture sensing system and method
US3733609A (en) * 1971-07-02 1973-05-15 Radiation Inc Shrouded offset parabolic reflector antenna
EP0009187A1 (de) * 1978-09-16 1980-04-02 Hoechst Aktiengesellschaft Verfahren und Vorrichtung zum Messen der Feuchte von flächenförmigen Proben durch Absorption von Mikrowellen
SU834045A1 (ru) * 1979-10-02 1981-05-30 Предприятие П/Я А-7850 4,4 -Ди- - 2" -хлор-4" - 1 -окси- 2 - /2 -СульфО-4 МЕТОКСи/-АзОбЕНзОл- 3 -СульфО-6 МЕТилАМиНО -НАфТил-6 - -ТРиАзиНил АМиНОСТильбЕН-2,2 -диСуль-фОКиСлОТА B КАчЕСТВЕ АКТиВНОгОКРАСиТЕл дл цЕллюлОзНыХ МАТЕРи-АлОВ
US4423422A (en) * 1981-08-10 1983-12-27 Andrew Corporation Diagonal-conical horn-reflector antenna

Also Published As

Publication number Publication date
SE8402258L (sv) 1984-10-27
DE3415610C2 (de) 1986-05-15
NL191619C (nl) 1995-11-06
SE8402258D0 (sv) 1984-04-25
US4620146A (en) 1986-10-28
NL8401328A (nl) 1984-11-16
DE3415610A1 (de) 1984-10-31
JPS59197843A (ja) 1984-11-09
CA1237171A (en) 1988-05-24
NL191619B (nl) 1995-07-03
JPH0120375B2 (nl) 1989-04-17

Similar Documents

Publication Publication Date Title
SE461551B (sv) Mikrovaagssensor foer maetning av fuktighetshalten i ett banformigt maetobjekt
RU2406998C2 (ru) Система ультразвукового обследования документов
US3534260A (en) Method and apparatus for measuring moisture content in sheet materials using a frequency modulation free microwave energy beam
US9859613B2 (en) Radar sensor including a radome
SE440408B (sv) Anvendning av metoden att detektera fel och inhomogeniteter i material medelst elektromagnetisk stralning
CA2111299A1 (en) Method and Device for Monitoring an Edge of a Moving Web
DE102020123992B3 (de) THz-Messvorrichtung und THz-Messverfahren zur Vermessung von Prüfobjekten, insbesondere Rohren
US5524771A (en) Strength-grading of veneer sheets
US3959723A (en) Lumber moisture measurement apparatus which is less sensitive to lumber movement and spacing
US3295133A (en) Anechoic chamber
SE7601243L (sv) Sett for klassificering eller sortering av virke
CN203011859U (zh) 一种透射式微波水分检测装置
FI65673C (fi) Foerfarande och anordning foer detektering av kvistar eller dyikt i saogat virke
EP0916929A1 (en) Antenna unit for the doppler measurement of grain flow
DE10137009C1 (de) Verfahren und Vorrichtung zur Messung des Massenstroms
EP0487582B1 (en) Moisture content by microwave phase shift and mass/area
JPH0758178B2 (ja) 超音波継目検出器
JPS6342357Y2 (nl)
GB1564194A (en) Apparatus for observing an abprupt change in the radio frequency energy reflected or passed by timber
US20030218468A1 (en) Apparatus and method for measuring characteristics of anisotropic materials
Kidd et al. Speed over ground measurement
KR102140720B1 (ko) 카본 폴리머 복합재의 분산도 평가를 위한 이미징 시스템
GB1560591A (en) Apparatus for observing an abrupt change in the radio frequency energy reflected or passed by timber
US20220386542A1 (en) A harvesting head for length determination of a tree trunk and an associated method
DE3031531A1 (de) Sensoranordnung

Legal Events

Date Code Title Description
NAL Patent in force

Ref document number: 8402258-1

Format of ref document f/p: F

NUG Patent has lapsed

Ref document number: 8402258-1

Format of ref document f/p: F