CA1220275A - Methode et dispositif d'evaluation sans contact de la qualite et de la configuration de pieces dont, entre autres, la longueur du bois d'oeuvre - Google Patents

Methode et dispositif d'evaluation sans contact de la qualite et de la configuration de pieces dont, entre autres, la longueur du bois d'oeuvre

Info

Publication number
CA1220275A
CA1220275A CA000459321A CA459321A CA1220275A CA 1220275 A CA1220275 A CA 1220275A CA 000459321 A CA000459321 A CA 000459321A CA 459321 A CA459321 A CA 459321A CA 1220275 A CA1220275 A CA 1220275A
Authority
CA
Canada
Prior art keywords
timber
sensor organs
organs
resolution
analysis
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
Application number
CA000459321A
Other languages
English (en)
Inventor
Carl T. Wadell
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA1220275A publication Critical patent/CA1220275A/fr
Expired legal-status Critical Current

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
    • G01N21/84—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
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G01B11/04—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness specially adapted for measuring length or width of objects while moving

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Wood Science & Technology (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Length Measuring Devices By Optical Means (AREA)
CA000459321A 1983-07-22 1984-07-20 Methode et dispositif d'evaluation sans contact de la qualite et de la configuration de pieces dont, entre autres, la longueur du bois d'oeuvre Expired CA1220275A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8304117A SE8304117L (sv) 1983-07-22 1983-07-22 Forfarande och anordning for beroringsfri identifiering och strukturbeskrivning av virke
SE8304117-8 1983-07-22

Publications (1)

Publication Number Publication Date
CA1220275A true CA1220275A (fr) 1987-04-07

Family

ID=20352046

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000459321A Expired CA1220275A (fr) 1983-07-22 1984-07-20 Methode et dispositif d'evaluation sans contact de la qualite et de la configuration de pieces dont, entre autres, la longueur du bois d'oeuvre

Country Status (5)

Country Link
EP (1) EP0181332A1 (fr)
CA (1) CA1220275A (fr)
FI (1) FI853204A0 (fr)
SE (1) SE8304117L (fr)
WO (1) WO1985000657A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5641971A (en) * 1994-06-15 1997-06-24 Eastman Kodak Company Method and device for counting and characterizing defects on a photographic support

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0233970B1 (fr) * 1986-02-22 1990-06-20 Helmut K. Pinsch GmbH & Co. Dispositif pour les essais de bois de sciage
US4831545A (en) * 1987-06-26 1989-05-16 Weyerhaeuser Company Method for determination of pith location relative to lumber surfaces
SE510242C2 (sv) * 1992-04-23 1999-05-03 Limab Laser Instrumentmek Metod och mätsystem för detektering av defekter vid ytan av ett trästycke
US5406378A (en) * 1992-04-29 1995-04-11 Mpb Technologies Inc. Method and apparatus for non-contact and rapid identification of wood species
FR2712080B1 (fr) * 1993-11-04 1995-12-08 Cogema Méthode de contrôle de l'état de surface d'une face d'un solide et dispositif associé.
WO2001020324A1 (fr) * 1999-09-14 2001-03-22 Opti-Wood Aps Procede permettant de determinat la qualite et de manipuler des articles allonges en bois
DE10064891A1 (de) * 2000-12-23 2002-06-27 Rettenmeier Holding Gmbh & Co Verfahren zur optischen Qualitätsdokumentation eines Holzkörpers
DE102007030865A1 (de) * 2007-06-25 2009-07-09 GreCon Dimter Holzoptimierung Süd GmbH & Co. KG Vorrichtung und Verfahren zum Scannen von Massivhölzern
IT1397123B1 (it) * 2008-09-18 2012-12-28 Microtec Srl Metodo per controllare il posizionamento di un elemento di legno lungo una linea di lavorazione e relative applicazioni
CN119887923B (zh) * 2025-01-07 2025-07-22 威海北港电器有限公司 一种应用于劈木机的视觉精度定位系统

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3864564A (en) * 1973-09-26 1975-02-04 Corning Glass Works Acquisition system for slide analysis
GB1488841A (en) * 1974-01-18 1977-10-12 Plessey Co Ltd Optical detection apparatus
US3970841A (en) * 1974-11-25 1976-07-20 Green James E Method and apparatus for dual resolution analysis of a scene
SE404964B (sv) * 1977-03-22 1978-11-06 Sarlos Seppo Edvard Anordning for detektering av stralning fran ett foremal for faststellande av avvikelser eller fel hos en yta av detsamma
SE412286B (sv) * 1978-07-10 1980-02-25 Saab Scania Ab Sett och anordning for fotoelektrisk avmetning av breder eller liknande geometriskt obestemda foremal
JPS5819109B2 (ja) * 1978-11-10 1983-04-16 肇産業株式会社 パタ−ン判別方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5641971A (en) * 1994-06-15 1997-06-24 Eastman Kodak Company Method and device for counting and characterizing defects on a photographic support

Also Published As

Publication number Publication date
FI853204L (fi) 1985-08-21
FI853204A7 (fi) 1985-08-21
FI853204A0 (fi) 1985-08-21
SE8304117D0 (sv) 1983-07-22
EP0181332A1 (fr) 1986-05-21
SE8304117L (sv) 1985-01-23
WO1985000657A1 (fr) 1985-02-14

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Legal Events

Date Code Title Description
MKEX Expiry