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BR8700054A - Aparelho para detectar as caracteristicas de material em folha,processo para detectar simultaneamente uma pluralidade de caracteristicas de material em folha e aparelho para analisar material em folha - Google Patents

Aparelho para detectar as caracteristicas de material em folha,processo para detectar simultaneamente uma pluralidade de caracteristicas de material em folha e aparelho para analisar material em folha

Info

Publication number
BR8700054A
BR8700054A BR8700054A BR8700054A BR8700054A BR 8700054 A BR8700054 A BR 8700054A BR 8700054 A BR8700054 A BR 8700054A BR 8700054 A BR8700054 A BR 8700054A BR 8700054 A BR8700054 A BR 8700054A
Authority
BR
Brazil
Prior art keywords
leaf
detect
appliance
analyze
leaf material
Prior art date
Application number
BR8700054A
Other languages
English (en)
Inventor
George B Parrent Jr
Glenn W Zeiders
James P Reilly
Antonio Khazen
Original Assignee
Hercules 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 Hercules Inc filed Critical Hercules Inc
Publication of BR8700054A publication Critical patent/BR8700054A/pt

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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/86—Investigating moving sheets
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths

Landscapes

  • Physics & Mathematics (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)
  • Electromagnetism (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
BR8700054A 1986-01-08 1987-01-08 Aparelho para detectar as caracteristicas de material em folha,processo para detectar simultaneamente uma pluralidade de caracteristicas de material em folha e aparelho para analisar material em folha BR8700054A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US81727386A 1986-01-08 1986-01-08
US06/884,642 US4789820A (en) 1986-01-08 1986-07-11 Apparatus and method for sensing multiple parameters of sheet material

Publications (1)

Publication Number Publication Date
BR8700054A true BR8700054A (pt) 1987-12-01

Family

ID=27124154

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8700054A BR8700054A (pt) 1986-01-08 1987-01-08 Aparelho para detectar as caracteristicas de material em folha,processo para detectar simultaneamente uma pluralidade de caracteristicas de material em folha e aparelho para analisar material em folha

Country Status (7)

Country Link
US (1) US4789820A (pt)
EP (1) EP0240610B1 (pt)
AU (1) AU589729B2 (pt)
BR (1) BR8700054A (pt)
CA (1) CA1264353A (pt)
DE (1) DE3688886T2 (pt)
FI (1) FI870047A7 (pt)

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US4957770A (en) * 1989-01-27 1990-09-18 Measurex Corporation Coating weight measuring and control apparatus and method
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US4942363A (en) * 1989-04-25 1990-07-17 Philip Morris Incorporated Apparatus and method for measuring two properties of an object using scattered electromagnetic radiation
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EP0487582B1 (en) * 1989-08-15 2000-05-03 Commonwealth Scientific And Industrial Research Organisation Moisture content by microwave phase shift and mass/area
US5010766A (en) * 1989-11-30 1991-04-30 Impact Systems, Inc. Error compensation for measuring gauges
DE3940710A1 (de) * 1989-12-09 1991-06-13 Tzn Forschung & Entwicklung Vorrichtung zur ermittlung der mittleren wasserfilmdicke auf strassenoberflaechen
US5113358A (en) * 1990-03-28 1992-05-12 Barber-Colman Company Web caliper measuring system
GB9121678D0 (en) * 1991-10-12 1991-11-27 Unaform Ltd Microwave drainage meter
US5338361A (en) * 1991-11-04 1994-08-16 Measurex Corporation Multiple coat measurement and control apparatus and method
US5276327A (en) * 1991-12-09 1994-01-04 Measurex Corporation Sensor and method for mesaurement of select components of a material
US5331284A (en) * 1992-04-21 1994-07-19 Baker Hughes Incorporated Meter and method for in situ measurement of the electromagnetic properties of various process materials using cutoff frequency characterization and analysis
US5455516A (en) * 1992-04-21 1995-10-03 Thermedics Inc. Meter and method for in situ measurement of the electromagnetic properties of various process materials using cutoff frequency characterization and analysis
US5365847A (en) * 1993-09-22 1994-11-22 Rockwell International Corporation Control system for a printing press
US5483078A (en) * 1994-04-14 1996-01-09 Cytec Technology Corp. Ink penetrometer having fiber optic cables and stationary ink paddle
US5933014A (en) * 1994-11-23 1999-08-03 Fraunhofer Gesellschaft Zur Foerderung Process for detecting totally or partially hidden non-homogeneities by means of microwave radiation
DE19503763C2 (de) * 1995-02-04 1996-11-28 Honeywell Ag Vorrichtung zur Farbmessung
US5625293A (en) * 1995-05-01 1997-04-29 Marrelli; John D. Determination of the watercut of a multiphase flow directly from measured microwave frequency dielectric properties
US5845529A (en) * 1995-07-18 1998-12-08 Malcam Ltd. Device and method for determining the moisture content of material
US6025724A (en) * 1997-11-20 2000-02-15 Malcam Ltd. Device and method for determining the moisture content of packaged material
SE507524C2 (sv) * 1996-10-15 1998-06-15 Stora Kopparbergs Bergslags Ab Sätt och mätmaskin för analysering av pappersbana
US6111415A (en) * 1998-01-09 2000-08-29 Malcam Ltd. Device and method for determining the moisture content of a bulk material
US6053040A (en) * 1998-08-03 2000-04-25 Callender; Anne System for the detection and control of paper machine profiles
US6476604B1 (en) * 1999-04-12 2002-11-05 Chartered Semiconductor Manufacturing Ltd. Method and apparatus for identifying high metal content on a semiconductor surface
EP1213150B1 (en) * 1999-08-31 2005-05-25 Canon Finetech Inc. Medium detecting method and device, and printer
US6463794B1 (en) * 2000-04-10 2002-10-15 Malcam Ltd. Method and device for non-invasively determining moisture content and uniformity of solid plant matter during on-line drying or cooling forced-air treatment
SE520165C2 (sv) * 2000-08-16 2003-06-03 Abb Ab Metod och anordning för mätning av fukthalt vid optimering av en torkningsprocess
US6813941B2 (en) * 2001-12-20 2004-11-09 Kimberly-Clark Worldwide, Inc. Method to measure tension in a moving web and to control properties of the web
US7836910B2 (en) 2004-12-29 2010-11-23 Rain Bird Corporation Soil moisture sensor and controller
GB2423574A (en) * 2005-02-25 2006-08-30 Macon Man And Design Ltd Optical tape sensor
US20060208194A1 (en) * 2005-03-18 2006-09-21 Voith Paper Patent Gmbh Microwave mass measuring device and process
US7968860B2 (en) * 2007-07-26 2011-06-28 Honeywell International Inc System and method for measurement of degree of moisture stratification in a paper or board
EP2632725A1 (en) * 2010-10-28 2013-09-04 Imego Aktiebolag A system and a method for detecting material parameters
DE102010063232A1 (de) * 2010-12-16 2012-06-21 Voith Patent Gmbh Vorrichtung und Verfahren zur Flächengewichtsbestimmung
FI125811B (en) * 2013-05-29 2016-02-29 Valmet Automation Oy Web measurement
US10520302B2 (en) * 2015-10-02 2019-12-31 Honeywell International Inc. Monitoring thickness uniformity
US10605746B2 (en) * 2017-12-18 2020-03-31 United Arab Emirates University Plant water sensor
FI128134B (en) * 2018-05-30 2019-10-31 Valmet Automation Oy A method and apparatus for measuring the properties of a moving web

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DE3043849A1 (de) * 1980-11-21 1982-07-08 Koninklijke Textielfabrieken Nijverdal-Ten Gate N.V., Almelo Verfahren zum beschauen einer reflektierenden und/oder transparenten, sich bewegenden bahn und beschaumaschine zur durchfuehrung des verfahrens
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Also Published As

Publication number Publication date
FI870047A0 (fi) 1987-01-07
FI870047A7 (fi) 1987-07-09
EP0240610A3 (en) 1989-12-20
AU6703386A (en) 1987-07-09
DE3688886D1 (de) 1993-09-16
EP0240610B1 (en) 1993-08-11
CA1264353A (en) 1990-01-09
DE3688886T2 (de) 1993-11-25
EP0240610A2 (en) 1987-10-14
US4789820A (en) 1988-12-06
AU589729B2 (en) 1989-10-19

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Legal Events

Date Code Title Description
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 08/01/2002