FR2159021A6 - - Google Patents

Info

Publication number
FR2159021A6
FR2159021A6 FR7238172A FR7238172A FR2159021A6 FR 2159021 A6 FR2159021 A6 FR 2159021A6 FR 7238172 A FR7238172 A FR 7238172A FR 7238172 A FR7238172 A FR 7238172A FR 2159021 A6 FR2159021 A6 FR 2159021A6
Authority
FR
France
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
Application number
FR7238172A
Other languages
French (fr)
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.)
Ferranti International PLC
Original Assignee
Ferranti PLC
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 PLC filed Critical Ferranti PLC
Application granted granted Critical
Publication of FR2159021A6 publication Critical patent/FR2159021A6/fr
Expired 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
    • 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

  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Analytical Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (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)
FR7238172A 1971-10-27 1972-10-27 Expired FR2159021A6 (enrdf_load_stackoverflow)

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 (1)

Publication Number Publication Date
FR2159021A6 true FR2159021A6 (enrdf_load_stackoverflow) 1973-06-15

Family

ID=10453892

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7238172A Expired FR2159021A6 (enrdf_load_stackoverflow) 1971-10-27 1972-10-27

Country Status (6)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2263509A1 (enrdf_load_stackoverflow) * 1974-03-09 1975-10-03 Feldmuehle Anlagen Prod
FR2423771A1 (fr) * 1978-04-19 1979-11-16 Agfa Gevaert Ag Dispositif de detection de defauts sur des bandes en deplacement

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2263509A1 (enrdf_load_stackoverflow) * 1974-03-09 1975-10-03 Feldmuehle Anlagen Prod
FR2423771A1 (fr) * 1978-04-19 1979-11-16 Agfa Gevaert Ag Dispositif de detection de defauts sur des bandes en deplacement

Also Published As

Publication number Publication date
JPS4852284A (enrdf_load_stackoverflow) 1973-07-23
DE2251915A1 (de) 1973-05-03
NO131850C (enrdf_load_stackoverflow) 1975-08-13
NO131850B (enrdf_load_stackoverflow) 1975-05-05
NL7214522A (enrdf_load_stackoverflow) 1973-05-02
GB1407409A (en) 1975-09-24

Similar Documents

Publication Publication Date Title
ATA136472A (enrdf_load_stackoverflow)
AR196074A1 (enrdf_load_stackoverflow)
FR2159021A6 (enrdf_load_stackoverflow)
AU2485671A (enrdf_load_stackoverflow)
AU2894671A (enrdf_load_stackoverflow)
AU2684071A (enrdf_load_stackoverflow)
AU2941471A (enrdf_load_stackoverflow)
AU2952271A (enrdf_load_stackoverflow)
AU3005371A (enrdf_load_stackoverflow)
BR7101910D0 (enrdf_load_stackoverflow)
AU2907471A (enrdf_load_stackoverflow)
AU2486471A (enrdf_load_stackoverflow)
AU2473671A (enrdf_load_stackoverflow)
AU2456871A (enrdf_load_stackoverflow)
AU2455871A (enrdf_load_stackoverflow)
AU2415871A (enrdf_load_stackoverflow)
AU2399971A (enrdf_load_stackoverflow)
AU2669471A (enrdf_load_stackoverflow)
AU3038671A (enrdf_load_stackoverflow)
AU3025871A (enrdf_load_stackoverflow)
AU1109576A (enrdf_load_stackoverflow)
AU2963771A (enrdf_load_stackoverflow)
AR202997Q (enrdf_load_stackoverflow)
AR199640Q (enrdf_load_stackoverflow)
AU2940971A (enrdf_load_stackoverflow)