DE69333492D1 - Video-inspektionssystem mit multispektraler beleuchtung unter verwendung lichtemittierender dioden und methode zur multispektralen beleuchtung unter verwendung lichtemittierender dioden - Google Patents

Video-inspektionssystem mit multispektraler beleuchtung unter verwendung lichtemittierender dioden und methode zur multispektralen beleuchtung unter verwendung lichtemittierender dioden

Info

Publication number
DE69333492D1
DE69333492D1 DE69333492T DE69333492T DE69333492D1 DE 69333492 D1 DE69333492 D1 DE 69333492D1 DE 69333492 T DE69333492 T DE 69333492T DE 69333492 T DE69333492 T DE 69333492T DE 69333492 D1 DE69333492 D1 DE 69333492D1
Authority
DE
Germany
Prior art keywords
light
emitting diodes
multispectral lighting
multispectral
lighting
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 - Lifetime
Application number
DE69333492T
Other languages
English (en)
Other versions
DE69333492T2 (de
Inventor
W Cochran
E Triner
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.)
Pressco Technology Inc
Original Assignee
Pressco Technology 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 Technology Inc filed Critical Pressco Technology Inc
Publication of DE69333492D1 publication Critical patent/DE69333492D1/de
Application granted granted Critical
Publication of DE69333492T2 publication Critical patent/DE69333492T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01N21/8901—Optical details; Scanning details
    • 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
    • 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
    • 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
DE69333492T 1992-12-14 1993-12-13 Video-inspektionssystem mit multispektraler beleuchtung unter verwendung lichtemittierender dioden und methode zur multispektralen beleuchtung unter verwendung lichtemittierender dioden Expired - Lifetime DE69333492T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/990,009 US5365084A (en) 1991-02-20 1992-12-14 Video inspection system employing multiple spectrum LED illumination
US990009 1992-12-14
PCT/US1993/012136 WO1994014053A1 (en) 1992-12-14 1993-12-13 Video inspection system employing multiple spectrum led illumination

Publications (2)

Publication Number Publication Date
DE69333492D1 true DE69333492D1 (de) 2004-05-27
DE69333492T2 DE69333492T2 (de) 2005-04-14

Family

ID=25535656

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69333492T Expired - Lifetime DE69333492T2 (de) 1992-12-14 1993-12-13 Video-inspektionssystem mit multispektraler beleuchtung unter verwendung lichtemittierender dioden und methode zur multispektralen beleuchtung unter verwendung lichtemittierender dioden

Country Status (6)

Country Link
US (1) US5365084A (de)
EP (2) EP1420244A3 (de)
JP (1) JPH08506891A (de)
AU (1) AU5801094A (de)
DE (1) DE69333492T2 (de)
WO (1) WO1994014053A1 (de)

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Also Published As

Publication number Publication date
EP1420244A2 (de) 2004-05-19
EP1420244A3 (de) 2005-09-14
EP0729572B1 (de) 2004-04-21
EP0729572A4 (de) 1997-08-13
AU5801094A (en) 1994-07-04
US5365084A (en) 1994-11-15
DE69333492T2 (de) 2005-04-14
JPH08506891A (ja) 1996-07-23
WO1994014053A1 (en) 1994-06-23
EP0729572A1 (de) 1996-09-04

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