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JPH02123948U - - Google Patents

Info

Publication number
JPH02123948U
JPH02123948U JP3256989U JP3256989U JPH02123948U JP H02123948 U JPH02123948 U JP H02123948U JP 3256989 U JP3256989 U JP 3256989U JP 3256989 U JP3256989 U JP 3256989U JP H02123948 U JPH02123948 U JP H02123948U
Authority
JP
Japan
Prior art keywords
light amount
amount detection
digital data
outputting
analog voltage
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
JP3256989U
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 JP3256989U priority Critical patent/JPH02123948U/ja
Publication of JPH02123948U publication Critical patent/JPH02123948U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Control Of Exposure In Printing And Copying (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例に係る複写機の光量
検出装置の回路図、第2図は複写機のスキヤナ部
全体の外観斜視図、第3図はその光学系の側面図
、第4図は第1キヤリツジ部を中心とした縦断面
図、第5図は第1キヤリツジの外観斜視図、第6
図は検出光量の導入の説明図、第7図及び第8図
は従来例に係る光量検出装置の回路図である。 3……MCU、5……乗算型D/Aコンバータ
、6……光量検出回路。

Claims (1)

    【実用新案登録請求の範囲】
  1. 光量検出手段と、デジタルデータにより減衰量
    あるいは利得を変化させ、電圧出力を行うアナロ
    グ電圧可変手段と、このアナログ電圧可変手段に
    デジタルデータを出力する制御手段とを備えたこ
    とを特徴とする複写機の光量検出装置。
JP3256989U 1989-03-24 1989-03-24 Pending JPH02123948U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3256989U JPH02123948U (ja) 1989-03-24 1989-03-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3256989U JPH02123948U (ja) 1989-03-24 1989-03-24

Publications (1)

Publication Number Publication Date
JPH02123948U true JPH02123948U (ja) 1990-10-12

Family

ID=31535596

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3256989U Pending JPH02123948U (ja) 1989-03-24 1989-03-24

Country Status (1)

Country Link
JP (1) JPH02123948U (ja)

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