ATE287533T1 - Vorrichtung und verfahren zum feststellen von oberflächenfehlern - Google Patents

Vorrichtung und verfahren zum feststellen von oberflächenfehlern

Info

Publication number
ATE287533T1
ATE287533T1 AT97935399T AT97935399T ATE287533T1 AT E287533 T1 ATE287533 T1 AT E287533T1 AT 97935399 T AT97935399 T AT 97935399T AT 97935399 T AT97935399 T AT 97935399T AT E287533 T1 ATE287533 T1 AT E287533T1
Authority
AT
Austria
Prior art keywords
trace data
profile trace
defect
profile
article
Prior art date
Application number
AT97935399T
Other languages
English (en)
Inventor
Pierre Gauthier
Original Assignee
Quebec Centre Rech Ind
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 Quebec Centre Rech Ind filed Critical Quebec Centre Rech Ind
Application granted granted Critical
Publication of ATE287533T1 publication Critical patent/ATE287533T1/de

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

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)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
AT97935399T 1996-08-12 1997-08-08 Vorrichtung und verfahren zum feststellen von oberflächenfehlern ATE287533T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/689,393 US6122065A (en) 1996-08-12 1996-08-12 Apparatus and method for detecting surface defects
PCT/CA1997/000563 WO1998007023A1 (en) 1996-08-12 1997-08-08 Apparatus and method for detecting surface defects

Publications (1)

Publication Number Publication Date
ATE287533T1 true ATE287533T1 (de) 2005-02-15

Family

ID=24768257

Family Applications (1)

Application Number Title Priority Date Filing Date
AT97935399T ATE287533T1 (de) 1996-08-12 1997-08-08 Vorrichtung und verfahren zum feststellen von oberflächenfehlern

Country Status (9)

Country Link
US (1) US6122065A (de)
EP (1) EP0917649B1 (de)
AT (1) ATE287533T1 (de)
AU (1) AU3844197A (de)
BR (1) BR9711069A (de)
DE (1) DE69732295T2 (de)
NO (1) NO990652L (de)
NZ (1) NZ334098A (de)
WO (1) WO1998007023A1 (de)

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Also Published As

Publication number Publication date
DE69732295T2 (de) 2006-04-13
WO1998007023A1 (en) 1998-02-19
NO990652D0 (no) 1999-02-11
US6122065A (en) 2000-09-19
BR9711069A (pt) 2000-01-11
NZ334098A (en) 2000-10-27
EP0917649A1 (de) 1999-05-26
DE69732295D1 (de) 2005-02-24
NO990652L (no) 1999-02-11
EP0917649B1 (de) 2005-01-19
AU3844197A (en) 1998-03-06

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