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'oeuvreInfo
- 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
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)
- Wood Science & Technology (AREA)
- Textile Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Length Measuring Devices By Optical Means (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8304117-8 | 1983-07-22 | ||
SE8304117A SE8304117L (sv) | 1983-07-22 | 1983-07-22 | Forfarande och anordning for beroringsfri identifiering och strukturbeskrivning av virke |
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) | FI853204L (fr) |
SE (1) | SE8304117L (fr) |
WO (1) | WO1985000657A1 (fr) |
Cited By (1)
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 (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE54027T1 (de) * | 1986-02-22 | 1990-07-15 | Pinsch Gmbh & Co Helmut K | Schnittholz-pruefvorrichtung. |
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 |
Family Cites Families (6)
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 |
-
1983
- 1983-07-22 SE SE8304117A patent/SE8304117L/ unknown
-
1984
- 1984-07-18 WO PCT/SE1984/000262 patent/WO1985000657A1/fr active Application Filing
- 1984-07-18 EP EP19840902839 patent/EP0181332A1/fr not_active Withdrawn
- 1984-07-20 CA CA000459321A patent/CA1220275A/fr not_active Expired
-
1985
- 1985-08-21 FI FI853204A patent/FI853204L/fi not_active Application Discontinuation
Cited By (1)
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 |
---|---|
FI853204A0 (fi) | 1985-08-21 |
WO1985000657A1 (fr) | 1985-02-14 |
FI853204L (fi) | 1985-08-21 |
SE8304117D0 (sv) | 1983-07-22 |
EP0181332A1 (fr) | 1986-05-21 |
SE8304117L (sv) | 1985-01-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |