LU74943A1 - - Google Patents

Info

Publication number
LU74943A1
LU74943A1 LU74943A LU74943A LU74943A1 LU 74943 A1 LU74943 A1 LU 74943A1 LU 74943 A LU74943 A LU 74943A LU 74943 A LU74943 A LU 74943A LU 74943 A1 LU74943 A1 LU 74943A1
Authority
LU
Luxembourg
Application number
LU74943A
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 filed Critical
Publication of LU74943A1 publication Critical patent/LU74943A1/xx

Links

Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C3/00—Registering or indicating the condition or the working of machines or other apparatus, other than vehicles
    • G07C3/14—Quality control systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H26/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms
    • B65H26/02—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms responsive to presence of irregularities in running webs
    • 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
    • G01N21/8921—Streaks

Landscapes

  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Textile Engineering (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Automation & Control Theory (AREA)
  • Quality & Reliability (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Complex Calculations (AREA)
LU74943A 1975-05-14 1976-05-13 LU74943A1 (cs)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/577,394 US4005281A (en) 1975-05-14 1975-05-14 Defect identification with normalizing of gain function in optical-electrical inspection

Publications (1)

Publication Number Publication Date
LU74943A1 true LU74943A1 (cs) 1977-02-11

Family

ID=24308526

Family Applications (1)

Application Number Title Priority Date Filing Date
LU74943A LU74943A1 (cs) 1975-05-14 1976-05-13

Country Status (3)

Country Link
US (1) US4005281A (cs)
DE (1) DE2621109B2 (cs)
LU (1) LU74943A1 (cs)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1504537A (en) * 1975-06-12 1978-03-22 Secretary Industry Brit Automatic inspection of machined parts
US4253768A (en) * 1978-08-09 1981-03-03 Westinghouse Electric Corp. Processing system for detection and the classification of flaws on metallic surfaces
US4219277A (en) * 1978-08-09 1980-08-26 Westinghouse Electric Corp. Method of detecting flaws on surfaces
CA1127259A (en) * 1978-10-19 1982-07-06 Jean Burtin Method and device for inspecting a moving sheet material for streaklike defects
US4383218A (en) * 1978-12-29 1983-05-10 The Boeing Company Eddy current flow detection including compensation for system variables such as lift-off
US4349880A (en) * 1979-03-19 1982-09-14 Rca Corporation Inspection system for detecting defects in regular patterns
US4292672A (en) * 1979-03-19 1981-09-29 Rca Corporation Inspection system for detecting defects in regular patterns
US4297029A (en) * 1979-04-09 1981-10-27 Xerox Corporation Apparatus and method for diagnostic entry
US4348114A (en) * 1979-12-07 1982-09-07 Ciba-Geigy Ag Method of inspecting coated web material to detect the presence of downlines thereon
DE3036886A1 (de) * 1980-09-30 1982-05-13 Siemens AG, 1000 Berlin und 8000 München Verfahren zum korrigieren eines messsignals
DE3043849A1 (de) * 1980-11-21 1982-07-08 Koninklijke Textielfabrieken Nijverdal-Ten Gate N.V., Almelo Verfahren zum beschauen einer reflektierenden und/oder transparenten, sich bewegenden bahn und beschaumaschine zur durchfuehrung des verfahrens
US4538915A (en) * 1981-12-23 1985-09-03 E. I. Du Pont De Nemours And Company Web inspection system having a product characteristic signal normalizing network
JPS5987448A (ja) * 1982-11-11 1984-05-21 Fuji Photo Film Co Ltd カラ−フイルム検定方法
US4641250A (en) * 1984-06-11 1987-02-03 The United States Of America As Represented By The Secretary Of The Air Force Inspection workstation data entry method
DE3816392A1 (de) * 1988-05-13 1989-11-23 Ver Glaswerke Gmbh Verfahren zur bestimmung der optischen qualitaet von flachglas oder flachglasprodukten
DE3816943A1 (de) * 1988-05-18 1989-11-30 Nixdorf Computer Ag Verfahren zum pruefen von blattmaterial
EP0572336B1 (en) * 1992-05-29 2001-03-14 Eastman Kodak Company Coating density analyzer and method using image processing
US5453851A (en) * 1992-07-31 1995-09-26 E. I. Du Pont De Nemours And Company Error reduction methods in scanning systems
US7649174B2 (en) * 2008-02-11 2010-01-19 Flir Systems, Inc. Thermography camera configured for gas leak detection

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3506813A (en) * 1966-06-13 1970-04-14 Hewlett Packard Co Signal-to-noise ratio enhancement methods and means
US3800078A (en) * 1972-12-18 1974-03-26 Ibm Digitally compensated scanning system
US3843890A (en) * 1973-07-27 1974-10-22 Du Pont Optical-electrical web inspection system

Also Published As

Publication number Publication date
DE2621109B2 (de) 1980-07-10
US4005281A (en) 1977-01-25
DE2621109A1 (de) 1976-11-25

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