NL7507639A - METHOD AND DEVICE FOR CLASSIFYING SURFACE FAULTS IN MATERIAL SURFACES. - Google Patents

METHOD AND DEVICE FOR CLASSIFYING SURFACE FAULTS IN MATERIAL SURFACES.

Info

Publication number
NL7507639A
NL7507639A NL7507639A NL7507639A NL7507639A NL 7507639 A NL7507639 A NL 7507639A NL 7507639 A NL7507639 A NL 7507639A NL 7507639 A NL7507639 A NL 7507639A NL 7507639 A NL7507639 A NL 7507639A
Authority
NL
Netherlands
Prior art keywords
material surfaces
surface faults
classifying surface
classifying
faults
Prior art date
Application number
NL7507639A
Other languages
Dutch (nl)
Original Assignee
Nordstjernan Rederi Ab
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 Nordstjernan Rederi Ab filed Critical Nordstjernan Rederi Ab
Publication of NL7507639A publication Critical patent/NL7507639A/en

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/46—Systems using spatial filters
    • 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
    • G01N21/8901—Optical details; Scanning details

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
NL7507639A 1974-06-26 1975-06-26 METHOD AND DEVICE FOR CLASSIFYING SURFACE FAULTS IN MATERIAL SURFACES. NL7507639A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7408448A SE383204B (en) 1974-06-26 1974-06-26 SET FOR CLASSIFICATION OF SURFACES ON MATERIAL SURFACES.

Publications (1)

Publication Number Publication Date
NL7507639A true NL7507639A (en) 1975-12-30

Family

ID=20321557

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7507639A NL7507639A (en) 1974-06-26 1975-06-26 METHOD AND DEVICE FOR CLASSIFYING SURFACE FAULTS IN MATERIAL SURFACES.

Country Status (6)

Country Link
JP (1) JPS5124290A (en)
AT (1) AT349242B (en)
CA (1) CA1011582A (en)
CH (1) CH597590A5 (en)
NL (1) NL7507639A (en)
SE (1) SE383204B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9812091D0 (en) * 1998-06-05 1998-08-05 Glaverbel Defect detecting unit

Also Published As

Publication number Publication date
ATA491075A (en) 1978-08-15
JPS5124290A (en) 1976-02-27
CH597590A5 (en) 1978-04-14
SE7408448L (en) 1974-12-27
SE383204B (en) 1976-03-01
AT349242B (en) 1979-03-26
CA1011582A (en) 1977-06-07

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Legal Events

Date Code Title Description
BV The patent application has lapsed