JPH0486367U - - Google Patents

Info

Publication number
JPH0486367U
JPH0486367U JP12960390U JP12960390U JPH0486367U JP H0486367 U JPH0486367 U JP H0486367U JP 12960390 U JP12960390 U JP 12960390U JP 12960390 U JP12960390 U JP 12960390U JP H0486367 U JPH0486367 U JP H0486367U
Authority
JP
Japan
Prior art keywords
image reading
light source
source device
reading device
filter layer
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.)
Pending
Application number
JP12960390U
Other languages
English (en)
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 JP12960390U priority Critical patent/JPH0486367U/ja
Publication of JPH0486367U publication Critical patent/JPH0486367U/ja
Pending legal-status Critical Current

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Description

【図面の簡単な説明】
第1図は本考案に係る画像読取り装置用光源装
置の第1の実施例を示す概略側断面図、第2図は
本考案に係る画像読取り装置用光源装置の第2の
実施例を示す概略側断面図である。第3図は従来
の画像読取り装置用光源装置を示す概略図である
。 10……画像読取り装置用光源装置、11……
蛍光管、12,20,21,22……フイルタ層
、13……シヤツタ、14……原稿、15……ラ
イン状光、16……アパーチヤ、a,b,c,d
,e,f……光量カツト特性。

Claims (1)

    【実用新案登録請求の範囲】
  1. 蛍光管の管表面に、肉厚の増加によつて透過す
    る光量が減少するフイルタ層を、その周方向に沿
    つて徐々に肉厚が変化するように被覆したことを
    特徴とする、画像読取り装置用光源装置。
JP12960390U 1990-11-30 1990-11-30 Pending JPH0486367U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12960390U JPH0486367U (ja) 1990-11-30 1990-11-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12960390U JPH0486367U (ja) 1990-11-30 1990-11-30

Publications (1)

Publication Number Publication Date
JPH0486367U true JPH0486367U (ja) 1992-07-27

Family

ID=31876998

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12960390U Pending JPH0486367U (ja) 1990-11-30 1990-11-30

Country Status (1)

Country Link
JP (1) JPH0486367U (ja)

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