JPH0373189B2 - - Google Patents

Info

Publication number
JPH0373189B2
JPH0373189B2 JP56096602A JP9660281A JPH0373189B2 JP H0373189 B2 JPH0373189 B2 JP H0373189B2 JP 56096602 A JP56096602 A JP 56096602A JP 9660281 A JP9660281 A JP 9660281A JP H0373189 B2 JPH0373189 B2 JP H0373189B2
Authority
JP
Japan
Prior art keywords
light
focal position
reading device
reflected
original
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
JP56096602A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57211870A (en
Inventor
Kazumi Komya
Minoru Kanzaki
Hoichiro Kashiwabara
Yoshinori Uchama
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
Original Assignee
Nippon Telegraph and Telephone Corp
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 filed Critical Nippon Telegraph and Telephone Corp
Priority to JP56096602A priority Critical patent/JPS57211870A/ja
Publication of JPS57211870A publication Critical patent/JPS57211870A/ja
Publication of JPH0373189B2 publication Critical patent/JPH0373189B2/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
    • H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Heads (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
JP56096602A 1981-06-24 1981-06-24 Lighting device Granted JPS57211870A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56096602A JPS57211870A (en) 1981-06-24 1981-06-24 Lighting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56096602A JPS57211870A (en) 1981-06-24 1981-06-24 Lighting device

Publications (2)

Publication Number Publication Date
JPS57211870A JPS57211870A (en) 1982-12-25
JPH0373189B2 true JPH0373189B2 (nl) 1991-11-21

Family

ID=14169418

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56096602A Granted JPS57211870A (en) 1981-06-24 1981-06-24 Lighting device

Country Status (1)

Country Link
JP (1) JPS57211870A (nl)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3524811A1 (de) * 1984-07-14 1986-01-23 Canon K.K., Tokio/Tokyo Bildabtastvorrichtung
JPS61111065A (ja) * 1984-11-05 1986-05-29 Matsushita Graphic Commun Syst Inc 光電変換装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54158250A (en) * 1978-06-05 1979-12-13 Ricoh Co Ltd Illumination of scanner
JPS5546619A (en) * 1978-09-28 1980-04-01 Ricoh Co Ltd Solid state scanner

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4918539U (nl) * 1972-05-19 1974-02-16
JPS5499520U (nl) * 1977-12-24 1979-07-13

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54158250A (en) * 1978-06-05 1979-12-13 Ricoh Co Ltd Illumination of scanner
JPS5546619A (en) * 1978-09-28 1980-04-01 Ricoh Co Ltd Solid state scanner

Also Published As

Publication number Publication date
JPS57211870A (en) 1982-12-25

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