FI924474A0 - Aoterspeglande avlaesning av felaktigheter i ett traeds aodring - Google Patents

Aoterspeglande avlaesning av felaktigheter i ett traeds aodring

Info

Publication number
FI924474A0
FI924474A0 FI924474A FI924474A FI924474A0 FI 924474 A0 FI924474 A0 FI 924474A0 FI 924474 A FI924474 A FI 924474A FI 924474 A FI924474 A FI 924474A FI 924474 A0 FI924474 A0 FI 924474A0
Authority
FI
Finland
Prior art keywords
traeds
felaktigheter
avlaesning
aoterspeglande
aodring
Prior art date
Application number
FI924474A
Other languages
English (en)
Other versions
FI924474A (fi
Inventor
Peter Charles Matthews
Barry Godfrey Wilson
Jon Frederick Soest
Original Assignee
Us Natural Resources
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 Us Natural Resources filed Critical Us Natural Resources
Publication of FI924474A0 publication Critical patent/FI924474A0/fi
Publication of FI924474A publication Critical patent/FI924474A/fi

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/46—Wood
    • 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
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
    • G01N21/892—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the flaw, defect or object feature examined
    • G01N21/898—Irregularities in textured or patterned surfaces, e.g. textiles, wood
    • G01N21/8986—Wood
    • 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
    • G01N21/55—Specular reflectivity
    • G01N2021/556—Measuring separately scattering and specular

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Textile Engineering (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
FI924474A 1992-06-30 1992-10-05 Aoterspeglande avlaesning av felaktigheter i ett traeds aodring FI924474A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/906,537 US5252836A (en) 1991-03-07 1992-06-30 Reflective grain defect scanning

Publications (2)

Publication Number Publication Date
FI924474A0 true FI924474A0 (fi) 1992-10-05
FI924474A FI924474A (fi) 1993-12-31

Family

ID=25422619

Family Applications (1)

Application Number Title Priority Date Filing Date
FI924474A FI924474A (fi) 1992-06-30 1992-10-05 Aoterspeglande avlaesning av felaktigheter i ett traeds aodring

Country Status (5)

Country Link
US (1) US5252836A (fi)
EP (1) EP0580909A3 (fi)
CA (1) CA2093080A1 (fi)
FI (1) FI924474A (fi)
NZ (1) NZ244553A (fi)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5475201A (en) * 1993-02-25 1995-12-12 Black & Decker Inc. Method for identifying a diffusely-reflecting material
JP2720370B2 (ja) * 1993-02-26 1998-03-04 日本製紙株式会社 紙の繊維配向測定方法及び繊維配向測定装置
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
SE9502611D0 (sv) * 1995-07-14 1995-07-14 Casco Nobel Ab Prediction of the properties of board
US5644392A (en) * 1995-09-12 1997-07-01 U.S. Natural Resources, Inc. Scanning system for lumber
US5640244A (en) * 1995-11-02 1997-06-17 Abb Industrial Systems, Inc. Method and apparatus for on-line determination of fiber orientation and anisotropy in a non-woven web
US5768471A (en) * 1995-12-06 1998-06-16 Viratec Thin Films, Inc. Optical analyzer for measuring reflectivity of moving substrate
US5699164A (en) * 1996-04-04 1997-12-16 The Boc Group, Inc. Telecentric reflection head for optical monitor
US5960104A (en) * 1996-08-16 1999-09-28 Virginia Polytechnic & State University Defect detection system for lumber
US6757056B1 (en) * 2001-03-26 2004-06-29 Candela Instruments Combined high speed optical profilometer and ellipsometer
US6201662B1 (en) 1998-09-25 2001-03-13 Iomega Corporation Latent illuminance discrimination marker with reflective layer for data storage cartridges
US6459545B1 (en) 1997-09-26 2002-10-01 Iomega Corporation Use of matte materials to reduce signal pollution in cartridge detection circuitry
US6297924B1 (en) 1998-11-13 2001-10-02 Iomega Corporation System and method for cartridge detection and verification using signal comparison
CA2268337A1 (en) * 1999-04-16 2000-10-16 Daniel Ethier Apparatus for detecting defects in wood processed by a planer
US6757058B1 (en) 1999-05-05 2004-06-29 Lucidyne Technologies, Inc. Fiber-optic light line for use in an inspection system
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
TWI285738B (en) * 2000-09-26 2007-08-21 Olympus Corp Defect detecting apparatus and computer readable medium
US6624883B1 (en) 2000-09-28 2003-09-23 National Research Council Of Canada Method of and apparatus for determining wood grain orientation
US7406190B2 (en) * 2003-07-24 2008-07-29 Lucidyne Technologies, Inc. Wood tracking by identification of surface characteristics
CA2533516C (en) * 2003-07-24 2015-07-21 Lucidyne Technologies, Inc. Wood tracking by identification of surface characteristics
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
US7466403B2 (en) * 2006-09-20 2008-12-16 Lucidyne Technologies, Inc. Grain angle sensor
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
US7499171B2 (en) * 2006-09-29 2009-03-03 Weyerhaeuser Nr Company Methods for using light reflection patterns to determine diving angle of grain
US7684030B2 (en) 2007-05-04 2010-03-23 Vab Solutions Inc. Enclosure for a linear inspection system
JP5178079B2 (ja) * 2007-07-23 2013-04-10 株式会社日立ハイテクノロジーズ 欠陥検査方法およびその装置
JP5084398B2 (ja) 2007-08-24 2012-11-28 キヤノン株式会社 測定装置、測定方法、及び、プログラム
EP2195640A4 (en) * 2007-09-10 2013-10-09 Univ Sydney Tech METHOD AND SYSTEMS FOR IDENTIFYING THE MATERIAL TYPE OF A SURFACE
US7973935B2 (en) * 2007-11-06 2011-07-05 Konica Minolta Sensing, Inc. Reflection characteristic measuring apparatus for sheet specimen and method of calibrating reflection characteristic measuring apparatus for sheet specimen
JP5058838B2 (ja) * 2008-02-01 2012-10-24 キヤノン株式会社 情報処理装置および方法
EP2454580A1 (en) 2009-07-15 2012-05-23 Microtec S.r.l. Method and apparatus for identifying the orientation of wood fibres
JP5520736B2 (ja) * 2010-07-30 2014-06-11 株式会社日立ハイテクノロジーズ 欠陥検査方法及び欠陥検査装置
DE102010044956B4 (de) * 2010-09-10 2012-05-24 Merck Patent Gmbh Goniochromatisches Messverfahren zur Charakterisierung von Pigmenten und Füllstoffen
US9670809B2 (en) 2011-11-29 2017-06-06 Corning Incorporated Apparatus and method for skinning articles
GB201315910D0 (en) * 2013-09-06 2013-10-23 Rolls Royce Plc Apparatus and method for inspecting an article
US10611051B2 (en) 2013-10-15 2020-04-07 Corning Incorporated Systems and methods for skinning articles
US9239296B2 (en) 2014-03-18 2016-01-19 Corning Incorporated Skinning of ceramic honeycomb bodies
JP6288549B2 (ja) * 2013-10-24 2018-03-07 株式会社リコー 光学センサ及びこれを備えた画像形成装置、並びに、紙の種類を判別する装置及び方法
DE102015100977A1 (de) * 2015-01-23 2016-07-28 Vorwerk & Co. Interholding Gmbh Gerät zur Bearbeitung einer Oberfläche
DE102017003757B4 (de) * 2017-04-18 2023-06-29 Grenzebach Maschinenbau Gmbh Vorrichtunq, Verfahren und Computerproqramm zur kontrollierten Steuerunq des Bearbeitunqsprozesses von, die Oberfläche eines Werkstücks bearbeitenden Anlagen, insbesondere Breitbandschleifmaschinen, unter Berücksichtiqung sicherheitsrelevanter Lanqzeitaspekte.
JP6613285B2 (ja) * 2017-10-31 2019-11-27 キヤノン株式会社 反射特性測定装置、加工システム、反射特性測定方法、物体の加工方法
DE102021101594B3 (de) * 2021-01-26 2022-01-05 Carl Zeiss Spectroscopy Gmbh Messanordnung zum Messen von diffus reflektiertem Licht und von spekular reflektiertem Licht

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH552197A (de) * 1972-11-24 1974-07-31 Bbc Brown Boveri & Cie Einrichtung zum messen der rauhigkeit einer oberflaeche.
US3850526A (en) * 1973-03-16 1974-11-26 Atomic Energy Commission Optical method and system for measuring surface finish
CH639768A5 (de) * 1979-03-15 1983-11-30 Loepfe Ag Geb Photoelektrischer spulenfuehler zum detektieren des bewicklungszustands einer textilspule.
US4606645A (en) * 1984-10-29 1986-08-19 Weyerhaeuser Company Method for determining localized fiber angle in a three dimensional fibrous material
US4710642A (en) * 1985-08-20 1987-12-01 Mcneil John R Optical scatterometer having improved sensitivity and bandwidth
US4754148A (en) * 1986-12-10 1988-06-28 Allegheny Ludlum Corporation Adjustably positioned apparatus maintaining a fixed perpendicular distance for evaluating a curved surface
US4945253A (en) * 1988-12-09 1990-07-31 Measurex Corporation Means of enhancing the sensitivity of a gloss sensor
CA2062447C (en) * 1991-03-07 1998-10-13 Peter Charles Matthews Reflective grain defect scanning

Also Published As

Publication number Publication date
NZ244553A (en) 1996-08-27
CA2093080A1 (en) 1993-12-31
FI924474A (fi) 1993-12-31
US5252836A (en) 1993-10-12
EP0580909A3 (en) 1994-11-17
EP0580909A2 (en) 1994-02-02

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Legal Events

Date Code Title Description
FD Application lapsed