DE69531109D1 - Messgerät zur feuchtebestimmung - Google Patents

Messgerät zur feuchtebestimmung

Info

Publication number
DE69531109D1
DE69531109D1 DE69531109T DE69531109T DE69531109D1 DE 69531109 D1 DE69531109 D1 DE 69531109D1 DE 69531109 T DE69531109 T DE 69531109T DE 69531109 T DE69531109 T DE 69531109T DE 69531109 D1 DE69531109 D1 DE 69531109D1
Authority
DE
Germany
Prior art keywords
pct
chamber
stock
field
sensing head
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 - Lifetime
Application number
DE69531109T
Other languages
English (en)
Inventor
Cosmo Little
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.)
Voith Fabrics Heidenheim GmbH and Co KG
Original Assignee
Voith Fabrics Heidenheim GmbH and Co KG
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 Voith Fabrics Heidenheim GmbH and Co KG filed Critical Voith Fabrics Heidenheim GmbH and Co KG
Application granted granted Critical
Publication of DE69531109D1 publication Critical patent/DE69531109D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
DE69531109T 1994-10-06 1995-10-05 Messgerät zur feuchtebestimmung Expired - Lifetime DE69531109D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9420217A GB2294326A (en) 1994-10-06 1994-10-06 Moisture detection meter
PCT/GB1995/002366 WO1996011410A1 (en) 1994-10-06 1995-10-05 Moisture detection meter

Publications (1)

Publication Number Publication Date
DE69531109D1 true DE69531109D1 (de) 2003-07-24

Family

ID=10762480

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69531109T Expired - Lifetime DE69531109D1 (de) 1994-10-06 1995-10-05 Messgerät zur feuchtebestimmung

Country Status (8)

Country Link
US (1) US5826458A (de)
EP (1) EP0784798B1 (de)
JP (1) JPH10507263A (de)
AT (1) ATE243323T1 (de)
DE (1) DE69531109D1 (de)
FI (1) FI971425A (de)
GB (1) GB2294326A (de)
WO (1) WO1996011410A1 (de)

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JP3731314B2 (ja) 1997-03-28 2006-01-05 王子製紙株式会社 配向測定装置
DE29716639U1 (de) * 1997-09-16 1999-01-21 Tews Elektronik Mikrowellen-Streufeldsensor zur Feuchte- und/oder Dichtemessung
GB9814862D0 (en) * 1998-07-10 1998-09-09 South Bank Univ Entpr Ltd Method and equipment for measuring vapour flux from surfaces
EP1116951A4 (de) * 1998-09-25 2003-05-14 Oji Paper Co Verfahren und vorrichtung zur messung der dielektrizitätskonstante
US6741944B1 (en) * 1999-07-20 2004-05-25 Tokyo Electron Limited Electron density measurement and plasma process control system using a microwave oscillator locked to an open resonator containing the plasma
EA003378B1 (ru) * 1999-08-02 2003-04-24 Шелл Интернэшнл Рисерч Маатсхаппий Б.В. Зонд для определения уровня контакта флюидов в пласте
US6565914B2 (en) * 2001-07-11 2003-05-20 The Goodyear Tire & Rubber Company Method for controlling deposited polymer on a substrate
DE10163195A1 (de) * 2001-12-21 2003-07-03 Bsh Bosch Siemens Hausgeraete Wäschepflegeeinrichtung mit Feuchtesensor und Verfahren zur Messung der Feuchte in einer Wäschepflegeeinrichtung
DE10163199A1 (de) * 2001-12-21 2003-07-03 Bsh Bosch Siemens Hausgeraete Wäschepflegeeinrichtung mit Feuchtesensor und Verfahren zur Bestimmung des Feuchtegehalts von Wäsche
DE10163198A1 (de) * 2001-12-21 2003-07-03 Bsh Bosch Siemens Hausgeraete Wäschepflegeeinrichtung mit Feuchtesensor und Verfahren zur Bestimmung des Feuchtegehalts von Wäsche
GB0201423D0 (en) * 2002-01-23 2002-03-13 South Bank Univ Entpr Ltd Improved method and equipment for measuring vapour flux from surfaces
DE202005001756U1 (de) * 2004-02-12 2005-05-04 Trützschler GmbH & Co KG Mikrowellensensor zur Messung einer dielektrischen Eigenschaft eines Produkts
US7435444B2 (en) * 2004-07-23 2008-10-14 Johns Manville Control of pre-cured product moisture for formaldehyde-free fiberglass products
US7151380B2 (en) * 2004-08-06 2006-12-19 Voith Paper Patent Gmbh Microwave water weight sensor and process
FI119526B (fi) * 2005-05-17 2008-12-15 Senfit Oy Menetelmä ja mittalaite mitata vesipitoisuutta
WO2006132965A2 (en) * 2005-06-03 2006-12-14 Virginia Tech Intellectual Properties, Inc. Permeable moisture sensor for concrete, and other moisture sensors, moisture sensing methods and construction methods
JP2006349425A (ja) * 2005-06-14 2006-12-28 Oji Paper Co Ltd 坪量測定方法及び装置
FI121556B (fi) * 2006-06-22 2010-12-31 Metso Paper Inc Vesipitoisuuden mittaus
DE102006046713A1 (de) * 2006-10-02 2008-04-03 Rieter Ingolstadt Spinnereimaschinenbau Ag Vorrichtung für eine Textilmaschine zur Messung der längenspezifischen Masse und/oder der Feuchtigkeit eines strangförmigen, laufenden Fasergemenges sowie Textilmaschine
US7718214B2 (en) * 2006-11-01 2010-05-18 Johns Manville Method for producing fiberglass materials and compositions resulting from the same
DE102006059308A1 (de) * 2006-12-15 2008-06-19 Voith Patent Gmbh Verfahren und Vorrichtung zur Bestimmung der Feuchte einer laufenden Materialbahn
NO328801B1 (no) * 2007-01-12 2010-05-18 Roxar Flow Measurement As System og fremgangsmate for bestemmelse av egenskaper under transport av hydrokarbon-fluider i en rorledning
US8417296B2 (en) * 2008-06-05 2013-04-09 Apple Inc. Electronic device with proximity-based radio power control
US8432322B2 (en) * 2009-07-17 2013-04-30 Apple Inc. Electronic devices with capacitive proximity sensors for proximity-based radio-frequency power control
US8466839B2 (en) * 2009-07-17 2013-06-18 Apple Inc. Electronic devices with parasitic antenna resonating elements that reduce near field radiation
US8781420B2 (en) * 2010-04-13 2014-07-15 Apple Inc. Adjustable wireless circuitry with antenna-based proximity detector
US8577289B2 (en) 2011-02-17 2013-11-05 Apple Inc. Antenna with integrated proximity sensor for proximity-based radio-frequency power control
US9093745B2 (en) 2012-05-10 2015-07-28 Apple Inc. Antenna and proximity sensor structures having printed circuit and dielectric carrier layers
US9300342B2 (en) 2013-04-18 2016-03-29 Apple Inc. Wireless device with dynamically adjusted maximum transmit powers
US9379445B2 (en) 2014-02-14 2016-06-28 Apple Inc. Electronic device with satellite navigation system slot antennas
US9398456B2 (en) 2014-03-07 2016-07-19 Apple Inc. Electronic device with accessory-based transmit power control
US9583838B2 (en) 2014-03-20 2017-02-28 Apple Inc. Electronic device with indirectly fed slot antennas
US9559425B2 (en) 2014-03-20 2017-01-31 Apple Inc. Electronic device with slot antenna and proximity sensor
US9728858B2 (en) 2014-04-24 2017-08-08 Apple Inc. Electronic devices with hybrid antennas
US9791490B2 (en) 2014-06-09 2017-10-17 Apple Inc. Electronic device having coupler for tapping antenna signals
US9444425B2 (en) 2014-06-20 2016-09-13 Apple Inc. Electronic device with adjustable wireless circuitry
US10218052B2 (en) 2015-05-12 2019-02-26 Apple Inc. Electronic device with tunable hybrid antennas
RU2611210C1 (ru) * 2015-12-09 2017-02-21 Учреждение Российской академии наук Институт проблем управления им. В.А. Трапезникова РАН Способ измерения количества каждой компоненты многокомпонентной среды в емкости
US10490881B2 (en) 2016-03-10 2019-11-26 Apple Inc. Tuning circuits for hybrid electronic device antennas
US10290946B2 (en) 2016-09-23 2019-05-14 Apple Inc. Hybrid electronic device antennas having parasitic resonating elements

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US3586971A (en) * 1969-02-10 1971-06-22 Canadian Patents Dev Microwave apparatus for ascertaining changes in dielectric properties utilizing a slow wave structure
US3597566A (en) * 1969-08-22 1971-08-03 Cryodry Corp Resonant cavity microwave applicator
US3883798A (en) * 1972-05-04 1975-05-13 Hoffmann La Roche Free flow resonant cavity measuring apparatus
JPS5718136B2 (de) * 1973-11-27 1982-04-15
US4042879A (en) * 1975-11-03 1977-08-16 Rockwell International Corporation Microwave aerosol waterometer
DE2552954C3 (de) * 1975-11-26 1979-08-16 Bayer Ag, 5090 Leverkusen Vorrichtung zur Feuchtemessung von räumlich ausgedehnten Proben
US4381485A (en) * 1981-02-23 1983-04-26 Steinbrecher Corporation Microwave test apparatus and method
JPS60135752A (ja) * 1983-12-23 1985-07-19 Yokogawa Hokushin Electric Corp マイクロ波水分計
JPS63145951A (ja) * 1986-12-09 1988-06-18 Daipoole:Kk 糸状材料の物性量測定装置
DE3867686D1 (de) * 1987-03-09 1992-02-27 Atomic Energy Authority Uk Mikrowellensonde.
JPH0247553U (de) * 1988-09-28 1990-03-30
US4904928A (en) * 1988-12-09 1990-02-27 E. I. Du Pont De Nemours And Company Measurement apparatus and method utilizing multiple resonant modes of microwave energy
DE69033533T2 (de) * 1989-08-15 2001-01-11 Commw Scient Ind Res Org Bestimmung des feuchtigkeitsgehalts durch mikrowellenphasenverschiebung und flächendichte
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
EP0558759A1 (de) * 1991-09-20 1993-09-08 Dipole Electronics Co. Ltd. Vorrichtung zum messen einer physikalischen grösse
GB9121678D0 (en) * 1991-10-12 1991-11-27 Unaform Ltd Microwave drainage meter
FR2685490B1 (fr) * 1991-12-19 1996-05-15 Commissariat Energie Atomique Dispositif de mesure de parametres dielectriques et magnetiques de materiaux et systeme de mesure desdits parametres utilisant ce dispositif.
US5334941A (en) * 1992-09-14 1994-08-02 Kdc Technology Corp. Microwave reflection resonator sensors
EP0600357A1 (de) * 1992-11-30 1994-06-08 Rim Tech, Inc. Apparat und Verfahren zur Detektion und Messung der Dicke flüssigen Wassers und von Eis-Schichten auf festen Oberflächen
DE4342505C1 (de) * 1993-12-08 1995-04-27 Stange Gerd Verfahren und Vorrichtung zur Messung der Dielektrizitätskonstante von Probenmaterialien
US5666061A (en) * 1994-11-09 1997-09-09 James Instruments Inc. Apparatus and method for measurement of moisture concentration in granular materials
US5554935A (en) * 1995-04-03 1996-09-10 The United States Of America, As Represented By The Secretary Of Agriculture Mass or weight determination of arbitrarily-shaped dielectric objects by microwave resonator measurements
US5621330A (en) * 1995-07-18 1997-04-15 Malcam Ltd. Device and method for determining the moisture content of a bale of material with multiple layers
US5648038A (en) * 1995-09-20 1997-07-15 Lambda Technologies Systems and methods for monitoring material properties using microwave energy

Also Published As

Publication number Publication date
GB9420217D0 (en) 1994-11-23
FI971425A0 (fi) 1997-04-04
GB2294326A (en) 1996-04-24
JPH10507263A (ja) 1998-07-14
EP0784798A1 (de) 1997-07-23
FI971425A (fi) 1997-04-04
EP0784798B1 (de) 2003-06-18
ATE243323T1 (de) 2003-07-15
WO1996011410A1 (en) 1996-04-18
US5826458A (en) 1998-10-27

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Legal Events

Date Code Title Description
8332 No legal effect for de