CA2306094C - Appareil de detection de defauts du bois machine par une raboteuse - Google Patents

Appareil de detection de defauts du bois machine par une raboteuse Download PDF

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Publication number
CA2306094C
CA2306094C CA 2306094 CA2306094A CA2306094C CA 2306094 C CA2306094 C CA 2306094C CA 2306094 CA2306094 CA 2306094 CA 2306094 A CA2306094 A CA 2306094A CA 2306094 C CA2306094 C CA 2306094C
Authority
CA
Canada
Prior art keywords
wood
piece
inlet
scanning means
outlet
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 - Fee Related
Application number
CA 2306094
Other languages
English (en)
Other versions
CA2306094A1 (fr
Inventor
Daniel Ethier
Robert Lessard
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.)
Autolog Inc
Original Assignee
Autolog Inc
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 CA002268337A external-priority patent/CA2268337A1/fr
Application filed by Autolog Inc filed Critical Autolog Inc
Priority to CA 2306094 priority Critical patent/CA2306094C/fr
Publication of CA2306094A1 publication Critical patent/CA2306094A1/fr
Application granted granted Critical
Publication of CA2306094C publication Critical patent/CA2306094C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/12—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using the sheet-feed movement or the medium-advance or the drum-rotation movement as the slow scanning component, e.g. arrangements for the main-scanning
    • H04N1/121—Feeding arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/19—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using multi-element arrays
    • H04N1/191—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using multi-element arrays the array comprising a one-dimensional array, or a combination of one-dimensional arrays, or a substantially one-dimensional array, e.g. an array of staggered elements
    • H04N1/192—Simultaneously or substantially simultaneously scanning picture elements on one main scanning line
    • H04N1/193—Simultaneously or substantially simultaneously scanning picture elements on one main scanning line using electrically scanned linear arrays, e.g. linear CCD arrays

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)
  • Milling, Drilling, And Turning Of Wood (AREA)
CA 2306094 1999-04-16 2000-04-14 Appareil de detection de defauts du bois machine par une raboteuse Expired - Fee Related CA2306094C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2306094 CA2306094C (fr) 1999-04-16 2000-04-14 Appareil de detection de defauts du bois machine par une raboteuse

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CA002268337A CA2268337A1 (fr) 1999-04-16 1999-04-16 Detecteur de defauts du bois travaille a la degauchisseuse
CA2,268,337 1999-04-16
CA 2306094 CA2306094C (fr) 1999-04-16 2000-04-14 Appareil de detection de defauts du bois machine par une raboteuse

Publications (2)

Publication Number Publication Date
CA2306094A1 CA2306094A1 (fr) 2000-10-16
CA2306094C true CA2306094C (fr) 2002-02-12

Family

ID=25680882

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2306094 Expired - Fee Related CA2306094C (fr) 1999-04-16 2000-04-14 Appareil de detection de defauts du bois machine par une raboteuse

Country Status (1)

Country Link
CA (1) CA2306094C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9147014B2 (en) 2011-08-31 2015-09-29 Woodtech Measurement Solutions System and method for image selection of bundled objects

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9147014B2 (en) 2011-08-31 2015-09-29 Woodtech Measurement Solutions System and method for image selection of bundled objects

Also Published As

Publication number Publication date
CA2306094A1 (fr) 2000-10-16

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MKLA Lapsed