DE69415965D1 - Verfahren und vorrichtung zur kontinuierlichen diffusen beleuchtung - Google Patents

Verfahren und vorrichtung zur kontinuierlichen diffusen beleuchtung

Info

Publication number
DE69415965D1
DE69415965D1 DE69415965T DE69415965T DE69415965D1 DE 69415965 D1 DE69415965 D1 DE 69415965D1 DE 69415965 T DE69415965 T DE 69415965T DE 69415965 T DE69415965 T DE 69415965T DE 69415965 D1 DE69415965 D1 DE 69415965D1
Authority
DE
Germany
Prior art keywords
continuous diffusing
diffusing lighting
lighting
continuous
diffusing
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
DE69415965T
Other languages
English (en)
Other versions
DE69415965T2 (de
Inventor
Timothy White
Michael Messina
Steven Leblanc
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.)
Omron Microscan Systems Inc
Original Assignee
Northeast Robotics 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 Northeast Robotics Inc filed Critical Northeast Robotics Inc
Publication of DE69415965D1 publication Critical patent/DE69415965D1/de
Application granted granted Critical
Publication of DE69415965T2 publication Critical patent/DE69415965T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/15—Conference systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
    • H04N1/02845—Means for illuminating the original, not specific to a particular type of pick-up head using an elongated light source, e.g. tubular lamp, LED 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
    • G01N21/8806—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
    • G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/956—Inspecting patterns on the surface of objects
    • G01N21/95684—Patterns showing highly reflecting parts, e.g. metallic elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
    • H04N1/02845—Means for illuminating the original, not specific to a particular type of pick-up head using an elongated light source, e.g. tubular lamp, LED array
    • H04N1/0285—Means for illuminating the original, not specific to a particular type of pick-up head using an elongated light source, e.g. tubular lamp, LED array in combination with at least one reflector which is in fixed relation to the light source
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
    • H04N1/02845—Means for illuminating the original, not specific to a particular type of pick-up head using an elongated light source, e.g. tubular lamp, LED array
    • H04N1/0286—Means for illuminating the original, not specific to a particular type of pick-up head using an elongated light source, e.g. tubular lamp, LED array in combination with a light integrating, concentrating or defusing cavity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
    • H04N1/02845—Means for illuminating the original, not specific to a particular type of pick-up head using an elongated light source, e.g. tubular lamp, LED array
    • H04N1/0287—Means for illuminating the original, not specific to a particular type of pick-up head using an elongated light source, e.g. tubular lamp, LED array using a tubular lamp or a combination of such lamps
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
    • H04N1/02885—Means for compensating spatially uneven illumination, e.g. an aperture arrangement
    • H04N1/0289—Light diffusing elements, e.g. plates or filters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70—Circuitry for compensating brightness variation in the scene
    • H04N23/74—Circuitry for compensating brightness variation in the scene by influencing the scene brightness using illuminating means
    • 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
DE69415965T 1993-02-16 1994-02-15 Verfahren und vorrichtung zur kontinuierlichen diffusen beleuchtung Expired - Lifetime DE69415965T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US1823393A 1993-02-16 1993-02-16
US08/131,695 US5461417A (en) 1993-02-16 1993-10-05 Continuous diffuse illumination method and apparatus
PCT/US1994/001696 WO1994019908A1 (en) 1993-02-16 1994-02-15 Continuous diffuse illumination method and apparatus

Publications (2)

Publication Number Publication Date
DE69415965D1 true DE69415965D1 (de) 1999-02-25
DE69415965T2 DE69415965T2 (de) 1999-09-09

Family

ID=26690885

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69415965T Expired - Lifetime DE69415965T2 (de) 1993-02-16 1994-02-15 Verfahren und vorrichtung zur kontinuierlichen diffusen beleuchtung

Country Status (8)

Country Link
US (2) US5461417A (de)
EP (1) EP0685140B1 (de)
JP (1) JPH08510053A (de)
KR (1) KR100337438B1 (de)
AU (1) AU6254394A (de)
DE (1) DE69415965T2 (de)
SG (1) SG52227A1 (de)
WO (1) WO1994019908A1 (de)

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* Cited by examiner, † Cited by third party
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EP0685140A1 (de) 1995-12-06
AU6254394A (en) 1994-09-14
WO1994019908A1 (en) 1994-09-01
KR960701557A (ko) 1996-02-24
SG52227A1 (en) 1998-09-28
KR100337438B1 (ko) 2002-10-11
US5684530A (en) 1997-11-04
US5461417A (en) 1995-10-24
EP0685140A4 (de) 1996-03-20
DE69415965T2 (de) 1999-09-09
EP0685140B1 (de) 1999-01-13
JPH08510053A (ja) 1996-10-22

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