CA949152A - Device for the detection of irregularities in a material - Google Patents

Device for the detection of irregularities in a material

Info

Publication number
CA949152A
CA949152A CA114,998A CA114998A CA949152A CA 949152 A CA949152 A CA 949152A CA 114998 A CA114998 A CA 114998A CA 949152 A CA949152 A CA 949152A
Authority
CA
Canada
Prior art keywords
irregularities
detection
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
Application number
CA114,998A
Other versions
CA114998S (en
Inventor
Etienne M. De Cock
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.)
Agfa Gevaert NV
Original Assignee
Agfa Gevaert NV
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 Agfa Gevaert NV filed Critical Agfa Gevaert NV
Application granted granted Critical
Publication of CA949152A publication Critical patent/CA949152A/en
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

Landscapes

  • Analytical Chemistry (AREA)
  • Immunology (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Pathology (AREA)
  • Controlling Sheets Or Webs (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
CA114,998A 1970-06-08 1971-06-07 Device for the detection of irregularities in a material Expired CA949152A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2761770 1970-06-08

Publications (1)

Publication Number Publication Date
CA949152A true CA949152A (en) 1974-06-11

Family

ID=10262514

Family Applications (1)

Application Number Title Priority Date Filing Date
CA114,998A Expired CA949152A (en) 1970-06-08 1971-06-07 Device for the detection of irregularities in a material

Country Status (8)

Country Link
US (1) US3748482A (en)
JP (1) JPS5433152B1 (en)
BE (1) BE768215A (en)
CA (1) CA949152A (en)
DE (1) DE2127999C3 (en)
FR (1) FR2096032A5 (en)
GB (1) GB1343114A (en)
SU (1) SU393849A3 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2445544C2 (en) * 1974-09-24 1986-12-18 Agfa-Gevaert Ag, 5090 Leverkusen Method and device for checking a photographic film for cracks
DE2904433C2 (en) * 1979-02-06 1984-05-17 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Film defect monitoring device
FR2471600A3 (en) * 1979-12-10 1981-06-19 Ato Chimie Fault counting appts. for thin films - comprises optical system with photodetector and counter responding to light passing through pinhole faults in film
US4398825A (en) * 1981-02-17 1983-08-16 General Motors Corporation Optical scanner for ball inspection
US6241244B1 (en) 1997-11-28 2001-06-05 Diebold, Incorporated Document sensor for currency recycling automated banking machine
CN114858755B (en) * 2022-07-05 2022-10-21 中国航发四川燃气涡轮研究院 Aero-engine coating frequency conversion in-situ laser detection system
CN118209562B (en) * 2024-05-21 2024-07-30 烟台如水光电科技有限公司 Membrane flaw check out test set adjusts luminance

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2244228A (en) * 1939-06-08 1941-06-03 Ibm Analyzing mechanism
US3001080A (en) * 1956-01-11 1961-09-19 Special Instr Lab Inc Inspection apparatus
US3206606A (en) * 1961-07-20 1965-09-14 Eastman Kodak Co Photosensitive inspection method and apparatus
GB1077561A (en) * 1964-02-18 1967-08-02 Omron Tateisi Electronics Co System of detecting and marking defects in a moving web
NL6413193A (en) * 1964-11-12 1966-05-13
BE668611A (en) * 1965-04-28
DE1797146C3 (en) * 1968-08-21 1978-11-09 Sulzer Morat Gmbh, 7024 Filderstadt Transport device for a tape-shaped information storage device

Also Published As

Publication number Publication date
DE2127999A1 (en) 1971-12-16
SU393849A3 (en) 1973-08-10
GB1343114A (en) 1974-01-10
FR2096032A5 (en) 1972-02-11
BE768215A (en) 1971-12-08
DE2127999B2 (en) 1980-08-07
JPS5433152B1 (en) 1979-10-18
US3748482A (en) 1973-07-24
DE2127999C3 (en) 1983-02-17

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