FI862741A0 - Foerfarande foer bestaemning av en lokal fibervinkel i ett tredimensionellt fibermaterial. - Google Patents

Foerfarande foer bestaemning av en lokal fibervinkel i ett tredimensionellt fibermaterial.

Info

Publication number
FI862741A0
FI862741A0 FI862741A FI862741A FI862741A0 FI 862741 A0 FI862741 A0 FI 862741A0 FI 862741 A FI862741 A FI 862741A FI 862741 A FI862741 A FI 862741A FI 862741 A0 FI862741 A0 FI 862741A0
Authority
FI
Finland
Prior art keywords
tredimensionellt
fibervinkel
fibermaterial
lokal
ett
Prior art date
Application number
FI862741A
Other languages
English (en)
Other versions
FI862741A (fi
Inventor
Peter Charles Matthews
John Frederick Soest
Original Assignee
Weyerhaeuser Co
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 Weyerhaeuser Co filed Critical Weyerhaeuser Co
Publication of FI862741A publication Critical patent/FI862741A/fi
Publication of FI862741A0 publication Critical patent/FI862741A0/fi

Links

Classifications

    • 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
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/4738—Diffuse reflection, e.g. also for testing fluids, fibrous materials
    • 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
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N2021/4704—Angular selective
    • G01N2021/4711—Multiangle measurement
    • G01N2021/4716—Using a ring of sensors, or a combination of diaphragm and sensors; Annular sensor

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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Length Measuring Devices By Optical Means (AREA)
FI862741A 1984-10-29 1986-06-26 Foerfarande foer bestaemning av en lokal fibervinkel i ett tredimensionellt fibermaterial. FI862741A0 (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/665,609 US4606645A (en) 1984-10-29 1984-10-29 Method for determining localized fiber angle in a three dimensional fibrous material
PCT/US1985/001965 WO1986002729A1 (en) 1984-10-29 1985-10-10 Method for determining localized fiber angle in a three dimensional fibrous material

Publications (2)

Publication Number Publication Date
FI862741A FI862741A (fi) 1986-06-26
FI862741A0 true FI862741A0 (fi) 1986-06-26

Family

ID=24670820

Family Applications (1)

Application Number Title Priority Date Filing Date
FI862741A FI862741A0 (fi) 1984-10-29 1986-06-26 Foerfarande foer bestaemning av en lokal fibervinkel i ett tredimensionellt fibermaterial.

Country Status (7)

Country Link
US (1) US4606645A (fi)
EP (1) EP0198037B1 (fi)
JP (1) JPS62500684A (fi)
CA (1) CA1239476A (fi)
DE (1) DE3582161D1 (fi)
FI (1) FI862741A0 (fi)
WO (1) WO1986002729A1 (fi)

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US4926350A (en) * 1987-09-14 1990-05-15 Metriguard, Inc. Non-destructive testing methods for lumber
JPH02265867A (ja) * 1989-04-04 1990-10-30 Murata Mach Ltd パッケージの異常部検出方法
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US5252836A (en) * 1991-03-07 1993-10-12 U.S. Natural Resources, Inc. Reflective grain defect scanning
NZ270892A (en) * 1994-08-24 1997-01-29 Us Natural Resources Detecting lumber defects utilizing optical pattern recognition algorithm
US5729349A (en) * 1995-02-10 1998-03-17 Ricoh Company, Ltd. Method and device for determining fiber orientation of paper, and apparatus for removing image forming substance from paper
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US5644392A (en) * 1995-09-12 1997-07-01 U.S. Natural Resources, Inc. Scanning system for lumber
US5892808A (en) * 1996-06-28 1999-04-06 Techne Systems, Inc. Method and apparatus for feature detection in a workpiece
US5960104A (en) * 1996-08-16 1999-09-28 Virginia Polytechnic & State University Defect detection system for lumber
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US6272437B1 (en) 1998-04-17 2001-08-07 Cae Inc. Method and apparatus for improved inspection and classification of attributes of a workpiece
DE19839512A1 (de) * 1998-08-29 2000-11-30 Christoph Berthold Verfahren um mit Hilfe von Laserbeugungsgeräten, die gängigerweise zur Korngrößenmessung verwendet werden, Aussagen über die Geometrie (Kornform) der zu messenden Partikel zu gewinnen
US6293152B1 (en) 1998-09-02 2001-09-25 Weyerhaeuser Company Method for determining twist potential in wood
WO2000012230A1 (en) 1998-09-02 2000-03-09 Weyerhaeuser Company Method for determining warp potential in wood
US6308571B1 (en) 1998-09-02 2001-10-30 Weyerhaeuser Company Method for determining crook potential in wood
US6342707B1 (en) 2000-06-20 2002-01-29 Katsina Optics, Inc. Laser scatterometer with adjustable beam block
US6525319B2 (en) * 2000-12-15 2003-02-25 Midwest Research Institute Use of a region of the visible and near infrared spectrum to predict mechanical properties of wet wood and standing trees
US6618155B2 (en) 2000-08-23 2003-09-09 Lmi Technologies Inc. Method and apparatus for scanning lumber and other objects
US6825936B2 (en) 2000-08-23 2004-11-30 Lmi Technologies, Inc. High speed camera based sensors
JP2002071329A (ja) * 2000-09-01 2002-03-08 Dainippon Printing Co Ltd 繊維潜り角測定方法およびシステム
US6624883B1 (en) 2000-09-28 2003-09-23 National Research Council Of Canada Method of and apparatus for determining wood grain orientation
SE520575C2 (sv) * 2000-10-25 2003-07-29 Robert Kliger Metod vid sågning av en trästock samt en anordning för mätning av en fibervinkel
US6593572B2 (en) * 2000-12-13 2003-07-15 Midwest Research Institute Method of predicting mechanical properties of decayed wood
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US7406190B2 (en) * 2003-07-24 2008-07-29 Lucidyne Technologies, Inc. Wood tracking by identification of surface characteristics
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US7224471B2 (en) * 2003-10-28 2007-05-29 Timbre Technologies, Inc. Azimuthal scanning of a structure formed on a semiconductor wafer
JP3938184B2 (ja) * 2005-03-22 2007-06-27 キヤノン株式会社 情報処理方法及びその装置
US7286956B2 (en) * 2005-12-21 2007-10-23 Weyerhaeuser Company Methods of estimating the dimensional stability of a wood product from simple algebraic functions of moisture, shrinkage rates and grain angles
AT504170B1 (de) * 2006-08-31 2008-08-15 Karl Buchegger Verfahren zur bestimmung des drehwuchses von zumindest teilweise entrindeten baumstämmen
AU2007299719B2 (en) * 2006-09-20 2011-06-02 Lucidyne Technologies, Inc. Grain angle sensor
US7577643B2 (en) * 2006-09-29 2009-08-18 Microsoft Corporation Key phrase extraction from query logs
US7499171B2 (en) * 2006-09-29 2009-03-03 Weyerhaeuser Nr Company Methods for using light reflection patterns to determine diving angle of grain
US7715011B2 (en) * 2006-09-29 2010-05-11 Weyerhaeuser Nr Company Methods for using light reflection patterns to determine location of pith and curvature of the annual ring
WO2008080602A1 (de) * 2006-12-29 2008-07-10 Isam Aktiengesellschaft Verfahren zur analyse der oberfläche eines werkstückes, insbesondere eines fasergeleges und/oder eines fasergewebes
DE102007028014B4 (de) * 2007-06-14 2018-11-29 Airbus Defence and Space GmbH Steuerverfahren zur Steuerung der Ablegung von Fasern in bestimmten Orientlerungen
US20090020688A1 (en) * 2007-07-20 2009-01-22 Christopher Scott Lovchik Workpiece sensor
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SE536623C2 (sv) * 2012-03-08 2014-04-08 Innovation Vision Ab Förfarande och anordning för utvärdering av en bräda av trä
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JP2014178446A (ja) * 2013-03-14 2014-09-25 Ricoh Co Ltd 光学センサ、定着装置および画像形成装置、ならびに光学センサの配置方法
IT201800005473A1 (it) * 2018-05-17 2019-11-17 Processo di stabilizzazione di idrosolfito
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US3471702A (en) * 1967-09-29 1969-10-07 Du Pont Method for measuring bulk level of yarn
US3591291A (en) * 1969-05-26 1971-07-06 Conductron Corp Method and apparatus for sensing reflected light and diffused light from a surface to indicate the roughness of said surface
US3574470A (en) * 1969-07-02 1971-04-13 Nasa Method and device for detecting voids in low-density material
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JPS6049841B2 (ja) * 1980-07-16 1985-11-05 室蘭工業大学長 光学式非接触型検出装置
FI63835C (fi) * 1981-02-10 1983-08-10 Altim Control Ky Foerfarande foer identifiering av ett virkes ytegenskaper
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US4518259A (en) * 1982-07-26 1985-05-21 Eastman Kodak Company Light guide reflectometer

Also Published As

Publication number Publication date
FI862741A (fi) 1986-06-26
US4606645A (en) 1986-08-19
EP0198037A4 (en) 1988-05-19
CA1239476A (en) 1988-07-19
EP0198037B1 (en) 1991-03-13
WO1986002729A1 (en) 1986-05-09
JPS62500684A (ja) 1987-03-19
DE3582161D1 (de) 1991-04-18
EP0198037A1 (en) 1986-10-22

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: WEYERHAEUSER COMPANY