FI933665A - Teknisk belysningsanordning foer tdi-kontroll - Google Patents

Teknisk belysningsanordning foer tdi-kontroll Download PDF

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Publication number
FI933665A
FI933665A FI933665A FI933665A FI933665A FI 933665 A FI933665 A FI 933665A FI 933665 A FI933665 A FI 933665A FI 933665 A FI933665 A FI 933665A FI 933665 A FI933665 A FI 933665A
Authority
FI
Finland
Prior art keywords
control
array
light emitting
emitting diodes
inspection
Prior art date
Application number
FI933665A
Other languages
English (en)
Other versions
FI933665A0 (fi
Inventor
Don W Cochran
James R Austin
Original Assignee
Pressco Tech Inc
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 Pressco Tech Inc filed Critical Pressco Tech Inc
Publication of FI933665A0 publication Critical patent/FI933665A0/fi
Publication of FI933665A publication Critical patent/FI933665A/fi

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
    • G01N21/8901—Optical details; Scanning details
    • G01N21/8903—Optical details; Scanning details using a multiple detector array
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • H04N7/188—Capturing isolated or intermittent images triggered by the occurrence of a predetermined event, e.g. an object reaching a predetermined position
    • 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
    • G01N21/8806—Specially adapted optical and illumination features
    • G01N2021/8835—Adjustable illumination, e.g. software adjustable screen
    • 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
    • G01N21/8806—Specially adapted optical and illumination features
    • G01N2021/8845—Multiple wavelengths of illumination or detection
    • 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
    • G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
    • G01N2021/8887—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges based on image processing techniques
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/06—Illumination; Optics
    • G01N2201/062—LED's
    • G01N2201/0621—Supply
FI933665A 1991-02-20 1993-08-20 Teknisk belysningsanordning foer tdi-kontroll FI933665A (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/658,093 US5172005A (en) 1991-02-20 1991-02-20 Engineered lighting system for tdi inspection comprising means for controlling lighting elements in accordance with specimen displacement
PCT/US1992/000108 WO1992015010A1 (en) 1991-02-20 1992-01-02 Engineered lighting system for tdi inspection

Publications (2)

Publication Number Publication Date
FI933665A0 FI933665A0 (fi) 1993-08-20
FI933665A true FI933665A (fi) 1993-08-20

Family

ID=24639872

Family Applications (1)

Application Number Title Priority Date Filing Date
FI933665A FI933665A (fi) 1991-02-20 1993-08-20 Teknisk belysningsanordning foer tdi-kontroll

Country Status (10)

Country Link
US (1) US5172005A (fi)
EP (1) EP0572479B1 (fi)
JP (1) JP2540707B2 (fi)
AT (1) ATE161098T1 (fi)
AU (1) AU1274092A (fi)
CA (1) CA2103864C (fi)
DE (2) DE69223505T2 (fi)
ES (1) ES2050092T1 (fi)
FI (1) FI933665A (fi)
WO (1) WO1992015010A1 (fi)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6780284B2 (en) 2000-12-22 2004-08-24 Metso Automation Oy Method and apparatus for controlling moisture profile of moving paper web

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Publication number Priority date Publication date Assignee Title
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Also Published As

Publication number Publication date
FI933665A0 (fi) 1993-08-20
ATE161098T1 (de) 1997-12-15
CA2103864A1 (en) 1992-08-21
WO1992015010A1 (en) 1992-09-03
AU1274092A (en) 1992-09-15
EP0572479B1 (en) 1997-12-10
EP0572479A1 (en) 1993-12-08
JP2540707B2 (ja) 1996-10-09
ES2050092T1 (es) 1994-05-16
CA2103864C (en) 1999-08-31
DE572479T1 (de) 1994-07-28
DE69223505D1 (de) 1998-01-22
JPH06504377A (ja) 1994-05-19
US5172005A (en) 1992-12-15
DE69223505T2 (de) 1998-04-02

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