NO131850B - - Google Patents

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Publication number
NO131850B
NO131850B NO376672A NO376672A NO131850B NO 131850 B NO131850 B NO 131850B NO 376672 A NO376672 A NO 376672A NO 376672 A NO376672 A NO 376672A NO 131850 B NO131850 B NO 131850B
Authority
NO
Norway
Prior art keywords
detector
radiation
path
scanning
scanning station
Prior art date
Application number
NO376672A
Other languages
English (en)
Norwegian (no)
Other versions
NO131850C (fr
Inventor
G M Clarke
Original Assignee
Ferranti Ltd
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 Ferranti Ltd filed Critical Ferranti Ltd
Publication of NO131850B publication Critical patent/NO131850B/no
Publication of NO131850C publication Critical patent/NO131850C/no

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/89Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/89Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
    • G01N21/8901Optical details; Scanning details

Landscapes

  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Lenses (AREA)
NO376672A 1971-10-27 1972-10-19 NO131850C (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4988571A GB1407409A (en) 1971-10-27 1971-10-27 Detection of blemishes in a surface

Publications (2)

Publication Number Publication Date
NO131850B true NO131850B (fr) 1975-05-05
NO131850C NO131850C (fr) 1975-08-13

Family

ID=10453892

Family Applications (1)

Application Number Title Priority Date Filing Date
NO376672A NO131850C (fr) 1971-10-27 1972-10-19

Country Status (6)

Country Link
JP (1) JPS4852284A (fr)
DE (1) DE2251915A1 (fr)
FR (1) FR2159021A6 (fr)
GB (1) GB1407409A (fr)
NL (1) NL7214522A (fr)
NO (1) NO131850C (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE7502440L (fr) * 1974-03-09 1975-09-10 Feldmuehle Anlagen Prod
DE2816986C3 (de) * 1978-04-19 1986-03-27 Agfa-Gevaert Ag, 5090 Leverkusen Anordnung zum Aufsuchen von Fehlern auf laufenden Bändern
GB2307550A (en) * 1995-11-23 1997-05-28 British Aerospace Illumination of a test sample by scanning a line of coherent radiation
GB2429764A (en) * 2005-08-30 2007-03-07 Imp College Innovations Ltd A scanning device using a first optical system with a first focal length and a second optical system with a second focal length
NO336577B1 (no) * 2009-07-08 2015-09-28 Sapa As Fremgangsmåte og apparatur for inspeksjon av overflater

Also Published As

Publication number Publication date
FR2159021A6 (fr) 1973-06-15
JPS4852284A (fr) 1973-07-23
GB1407409A (en) 1975-09-24
DE2251915A1 (de) 1973-05-03
NL7214522A (fr) 1973-05-02
NO131850C (fr) 1975-08-13

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