JPH0443860Y2 - - Google Patents

Info

Publication number
JPH0443860Y2
JPH0443860Y2 JP1986034857U JP3485786U JPH0443860Y2 JP H0443860 Y2 JPH0443860 Y2 JP H0443860Y2 JP 1986034857 U JP1986034857 U JP 1986034857U JP 3485786 U JP3485786 U JP 3485786U JP H0443860 Y2 JPH0443860 Y2 JP H0443860Y2
Authority
JP
Japan
Prior art keywords
light
illumination optical
optical path
reflecting mirror
light source
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
JP1986034857U
Other languages
English (en)
Japanese (ja)
Other versions
JPS62146130U (US20110009641A1-20110113-C00185.png
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
Priority to JP1986034857U priority Critical patent/JPH0443860Y2/ja
Priority to US07/022,821 priority patent/US4728995A/en
Publication of JPS62146130U publication Critical patent/JPS62146130U/ja
Application granted granted Critical
Publication of JPH0443860Y2 publication Critical patent/JPH0443860Y2/ja
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B27/00—Photographic printing apparatus
    • G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
    • G03B27/52—Details
    • G03B27/54—Lamp housings; Illuminating means
    • G03B27/542—Lamp housings; Illuminating means for copying cameras, reflex exposure lighting
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
    • G03G15/04036—Details of illuminating systems, e.g. lamps, reflectors
    • 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
    • H04N1/02895—Additional elements in the illumination means or cooperating with the illumination means, e.g. filters

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Control Of Exposure In Printing And Copying (AREA)
JP1986034857U 1986-03-11 1986-03-11 Expired JPH0443860Y2 (US20110009641A1-20110113-C00185.png)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1986034857U JPH0443860Y2 (US20110009641A1-20110113-C00185.png) 1986-03-11 1986-03-11
US07/022,821 US4728995A (en) 1986-03-11 1987-03-06 Device for adjusting exposure amount

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986034857U JPH0443860Y2 (US20110009641A1-20110113-C00185.png) 1986-03-11 1986-03-11

Publications (2)

Publication Number Publication Date
JPS62146130U JPS62146130U (US20110009641A1-20110113-C00185.png) 1987-09-16
JPH0443860Y2 true JPH0443860Y2 (US20110009641A1-20110113-C00185.png) 1992-10-16

Family

ID=12425845

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986034857U Expired JPH0443860Y2 (US20110009641A1-20110113-C00185.png) 1986-03-11 1986-03-11

Country Status (2)

Country Link
US (1) US4728995A (US20110009641A1-20110113-C00185.png)
JP (1) JPH0443860Y2 (US20110009641A1-20110113-C00185.png)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01167777A (ja) * 1987-12-23 1989-07-03 Minolta Camera Co Ltd 複写機
US5191328A (en) * 1990-06-13 1993-03-02 Donald L. Gambill Trailer hitching aid and method using reception delay of different velocity signals
TW527817B (en) * 2000-08-11 2003-04-11 Canon Kk Image sensor and image reading apparatus
JP5071495B2 (ja) * 2010-03-04 2012-11-14 ウシオ電機株式会社 光源装置
JP5494640B2 (ja) * 2011-12-26 2014-05-21 株式会社リコー 照明装置、画像読取装置、画像形成装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4142549A (en) * 1977-09-19 1979-03-06 The B. F. Goodrich Company Relief valve
US4257086A (en) * 1979-10-22 1981-03-17 Koehler Manufacturing Company Method and apparatus for controlling radiant energy
US4333130A (en) * 1980-02-28 1982-06-01 Canon Kabushiki Kaisha Slit illuminating device
JPS5971342U (ja) * 1982-11-04 1984-05-15 シャープ株式会社 光量調整装置

Also Published As

Publication number Publication date
JPS62146130U (US20110009641A1-20110113-C00185.png) 1987-09-16
US4728995A (en) 1988-03-01

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