JPH0352630B2 - - Google Patents

Info

Publication number
JPH0352630B2
JPH0352630B2 JP16355182A JP16355182A JPH0352630B2 JP H0352630 B2 JPH0352630 B2 JP H0352630B2 JP 16355182 A JP16355182 A JP 16355182A JP 16355182 A JP16355182 A JP 16355182A JP H0352630 B2 JPH0352630 B2 JP H0352630B2
Authority
JP
Japan
Prior art keywords
document
lens
light
light source
distance
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
JP16355182A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5952231A (ja
Inventor
Akira Yamamoto
Hiroyuki Adachi
Noritoshi Yoshida
Nobuyuki Myake
Katsumi Kurematsu
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP16355182A priority Critical patent/JPS5952231A/ja
Publication of JPS5952231A publication Critical patent/JPS5952231A/ja
Publication of JPH0352630B2 publication Critical patent/JPH0352630B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • G03G15/043—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 with means for controlling illumination or exposure

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Optical Systems Of Projection Type Copiers (AREA)
JP16355182A 1982-09-20 1982-09-20 電子複写装置 Granted JPS5952231A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16355182A JPS5952231A (ja) 1982-09-20 1982-09-20 電子複写装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16355182A JPS5952231A (ja) 1982-09-20 1982-09-20 電子複写装置

Publications (2)

Publication Number Publication Date
JPS5952231A JPS5952231A (ja) 1984-03-26
JPH0352630B2 true JPH0352630B2 (de) 1991-08-12

Family

ID=15776041

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16355182A Granted JPS5952231A (ja) 1982-09-20 1982-09-20 電子複写装置

Country Status (1)

Country Link
JP (1) JPS5952231A (de)

Also Published As

Publication number Publication date
JPS5952231A (ja) 1984-03-26

Similar Documents

Publication Publication Date Title
US3926518A (en) Optical scanning system
US4657377A (en) Image formation apparatus with variable density control
JP3221500B2 (ja) 半透明素材のコピー方法
US5303006A (en) Image density control device for use in an image forming apparatus
US4912508A (en) Automatic background control for an electrostatic copier
JPS60184240A (ja) 画像形成装置
EP0320915B1 (de) Bilderzeugungsgerät
US5061960A (en) Preexposure light control system for a photocopier
JPH0352630B2 (de)
US5363174A (en) Method and apparatus for background control in an electrostatographic printing machine
US4725868A (en) Electrostatic copying machine
JP3515246B2 (ja) 画像形成装置に用いられる濃度検出装置および濃度検出方法
JPS61160769A (ja) 電子写真複写機における自動濃度調整方法
JPS5887560A (ja) 複写機
JPH0526584Y2 (de)
JPS6111765A (ja) 静電記録装置
JPH0524923Y2 (de)
JPH0887143A (ja) 画像形成装置に用いられる濃度検出装置の調整方法
JPS5949566A (ja) 原稿濃度検出装置
JPS6111767A (ja) 静電記録装置
JPS6117160A (ja) 電子写真複写方法
JPH0786709B2 (ja) コピー濃度調節方法
JPS62169182A (ja) 複写機等における画像濃度調整方法
JPH02166481A (ja) 画像形成装置
JPH0255766B2 (de)