JPS57211869A - Lighting device - Google Patents

Lighting device

Info

Publication number
JPS57211869A
JPS57211869A JP56096601A JP9660181A JPS57211869A JP S57211869 A JPS57211869 A JP S57211869A JP 56096601 A JP56096601 A JP 56096601A JP 9660181 A JP9660181 A JP 9660181A JP S57211869 A JPS57211869 A JP S57211869A
Authority
JP
Japan
Prior art keywords
light
slit
original
series
leds
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.)
Granted
Application number
JP56096601A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0337350B2 (cs
Inventor
Kazumi Komiya
Minoru Kanzaki
Yasuyuki Owada
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.)
Nippon Telegraph and Telephone Corp
Stanley Electric Co Ltd
Original Assignee
Nippon Telegraph and Telephone Corp
Stanley Electric Co Ltd
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 Nippon Telegraph and Telephone Corp, Stanley Electric Co Ltd filed Critical Nippon Telegraph and Telephone Corp
Priority to JP56096601A priority Critical patent/JPS57211869A/ja
Publication of JPS57211869A publication Critical patent/JPS57211869A/ja
Publication of JPH0337350B2 publication Critical patent/JPH0337350B2/ja
Granted 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
    • H04N1/03—Details of scanning heads ; Means for illuminating the original for picture information pick-up with photodetectors arranged in a substantially linear array
    • H04N1/031—Details of scanning heads ; Means for illuminating the original for picture information pick-up with photodetectors arranged in a substantially linear array the photodetectors having a one-to-one and optically positive correspondence with the scanned picture elements, e.g. linear contact sensors

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
  • Facsimile Heads (AREA)
  • Facsimile Scanning Arrangements (AREA)
JP56096601A 1981-06-24 1981-06-24 Lighting device Granted JPS57211869A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56096601A JPS57211869A (en) 1981-06-24 1981-06-24 Lighting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56096601A JPS57211869A (en) 1981-06-24 1981-06-24 Lighting device

Publications (2)

Publication Number Publication Date
JPS57211869A true JPS57211869A (en) 1982-12-25
JPH0337350B2 JPH0337350B2 (cs) 1991-06-05

Family

ID=14169391

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56096601A Granted JPS57211869A (en) 1981-06-24 1981-06-24 Lighting device

Country Status (1)

Country Link
JP (1) JPS57211869A (cs)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62279778A (ja) * 1986-05-28 1987-12-04 Ricoh Co Ltd 画像読取り装置
US4733098A (en) * 1984-08-30 1988-03-22 Canon Kabushiki Kaisha Image reading apparatus comprising first and second substrates separated at a fixed distance
JPS63102358U (cs) * 1986-12-19 1988-07-04
US4916552A (en) * 1987-12-24 1990-04-10 Ncr Corporation Optical reader head with video compensation method and circuit which integrates four adjacent pixels into a composite pixel
JP2004170858A (ja) * 2002-11-22 2004-06-17 Canon Inc 画像読取装置
JP2010206632A (ja) * 2009-03-04 2010-09-16 Ricoh Co Ltd 画像読取装置、及び複写機

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4733098A (en) * 1984-08-30 1988-03-22 Canon Kabushiki Kaisha Image reading apparatus comprising first and second substrates separated at a fixed distance
JPS62279778A (ja) * 1986-05-28 1987-12-04 Ricoh Co Ltd 画像読取り装置
JPS63102358U (cs) * 1986-12-19 1988-07-04
US4916552A (en) * 1987-12-24 1990-04-10 Ncr Corporation Optical reader head with video compensation method and circuit which integrates four adjacent pixels into a composite pixel
JP2004170858A (ja) * 2002-11-22 2004-06-17 Canon Inc 画像読取装置
JP2010206632A (ja) * 2009-03-04 2010-09-16 Ricoh Co Ltd 画像読取装置、及び複写機

Also Published As

Publication number Publication date
JPH0337350B2 (cs) 1991-06-05

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