CA2335784A1 - Systeme de differenciation des especes de bois - Google Patents

Systeme de differenciation des especes de bois Download PDF

Info

Publication number
CA2335784A1
CA2335784A1 CA 2335784 CA2335784A CA2335784A1 CA 2335784 A1 CA2335784 A1 CA 2335784A1 CA 2335784 CA2335784 CA 2335784 CA 2335784 A CA2335784 A CA 2335784A CA 2335784 A1 CA2335784 A1 CA 2335784A1
Authority
CA
Canada
Prior art keywords
wood
lumber
differentiating
camera
recited
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.)
Abandoned
Application number
CA 2335784
Other languages
English (en)
Inventor
Marcel Lizotte
Zubin Varghese
Philippe Gagnon
Robert W. C. Stevens
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.)
LIZOTTE CONSULTANTS LTEE
Original Assignee
LIZOTTE CONSULTANTS LTEE
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
Priority claimed from CA 2298335 external-priority patent/CA2298335A1/fr
Application filed by LIZOTTE CONSULTANTS LTEE filed Critical LIZOTTE CONSULTANTS LTEE
Priority to CA 2335784 priority Critical patent/CA2335784A1/fr
Publication of CA2335784A1 publication Critical patent/CA2335784A1/fr
Abandoned legal-status Critical Current

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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Textile Engineering (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Length Measuring Devices By Optical Means (AREA)
CA 2335784 2000-02-14 2001-02-13 Systeme de differenciation des especes de bois Abandoned CA2335784A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2335784 CA2335784A1 (fr) 2000-02-14 2001-02-13 Systeme de differenciation des especes de bois

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CA2,298,335 2000-02-14
CA 2298335 CA2298335A1 (fr) 2000-02-14 2000-02-14 Systeme de differenciation du bois
CA 2335784 CA2335784A1 (fr) 2000-02-14 2001-02-13 Systeme de differenciation des especes de bois

Publications (1)

Publication Number Publication Date
CA2335784A1 true CA2335784A1 (fr) 2001-08-14

Family

ID=25681537

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2335784 Abandoned CA2335784A1 (fr) 2000-02-14 2001-02-13 Systeme de differenciation des especes de bois

Country Status (1)

Country Link
CA (1) CA2335784A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012040615A2 (fr) 2010-09-24 2012-03-29 Usnr/Kockums Cancar Company Identification automatisée d'essences de bois
US8923599B2 (en) 2001-10-02 2014-12-30 Sick Ivp Ab Method and arrangement in a measuring system
US9014999B2 (en) 2008-07-04 2015-04-21 Sick Ivp Ab Calibration of a profile measuring system
SE2151276A1 (sv) * 2021-10-20 2023-04-21 Renholmen Ab Automatiskt virkessorteringsverk

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8923599B2 (en) 2001-10-02 2014-12-30 Sick Ivp Ab Method and arrangement in a measuring system
EP1432961B2 (fr) † 2001-10-02 2016-03-02 Sick IVP AB Procédé et dispositif de système de mesure
US9014999B2 (en) 2008-07-04 2015-04-21 Sick Ivp Ab Calibration of a profile measuring system
WO2012040615A2 (fr) 2010-09-24 2012-03-29 Usnr/Kockums Cancar Company Identification automatisée d'essences de bois
EP2619555A4 (fr) * 2010-09-24 2017-12-13 USNR/Kockums Cancar Company Identification automatisée d'essences de bois
SE2151276A1 (sv) * 2021-10-20 2023-04-21 Renholmen Ab Automatiskt virkessorteringsverk
WO2023068979A1 (fr) * 2021-10-20 2023-04-27 Renholmen Ab Installation de tri automatique du bois

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