JPH0452932B2 - - Google Patents

Info

Publication number
JPH0452932B2
JPH0452932B2 JP59103192A JP10319284A JPH0452932B2 JP H0452932 B2 JPH0452932 B2 JP H0452932B2 JP 59103192 A JP59103192 A JP 59103192A JP 10319284 A JP10319284 A JP 10319284A JP H0452932 B2 JPH0452932 B2 JP H0452932B2
Authority
JP
Japan
Prior art keywords
light
receiving sensor
light receiving
copying
document
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
JP59103192A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60244942A (ja
Inventor
Yasuhiro Takai
Kenichi Morimoto
Seiichi Yoshida
Kosei Tagawa
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.)
Sharp Corp
Original Assignee
Sharp 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 Sharp Corp filed Critical Sharp Corp
Priority to JP59103192A priority Critical patent/JPS60244942A/ja
Priority to US06/734,097 priority patent/US4636063A/en
Priority to DE19853517915 priority patent/DE3517915A1/de
Publication of JPS60244942A publication Critical patent/JPS60244942A/ja
Publication of JPH0452932B2 publication Critical patent/JPH0452932B2/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
    • G03G15/50—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control
    • G03G15/5025—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control by measuring the original characteristics, e.g. contrast, density
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B27/00—Photographic printing apparatus
    • G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
    • G03B27/52—Details
    • G03B27/54—Lamp housings; Illuminating means
    • G03B27/542—Lamp housings; Illuminating means for copying cameras, reflex exposure lighting
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B27/00—Photographic printing apparatus
    • G03B27/72—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Control Of Exposure In Printing And Copying (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
JP59103192A 1984-05-21 1984-05-21 自動露光調整装置 Granted JPS60244942A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP59103192A JPS60244942A (ja) 1984-05-21 1984-05-21 自動露光調整装置
US06/734,097 US4636063A (en) 1984-05-21 1985-05-15 Automatic exposure adjusting device
DE19853517915 DE3517915A1 (de) 1984-05-21 1985-05-18 Automatische belichtungsjustiervorrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59103192A JPS60244942A (ja) 1984-05-21 1984-05-21 自動露光調整装置

Publications (2)

Publication Number Publication Date
JPS60244942A JPS60244942A (ja) 1985-12-04
JPH0452932B2 true JPH0452932B2 (en]) 1992-08-25

Family

ID=14347649

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59103192A Granted JPS60244942A (ja) 1984-05-21 1984-05-21 自動露光調整装置

Country Status (3)

Country Link
US (1) US4636063A (en])
JP (1) JPS60244942A (en])
DE (1) DE3517915A1 (en])

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6123142A (ja) * 1984-07-12 1986-01-31 Ushio Inc 複写機の露光量センサ−付露光装置
JPS6172228A (ja) * 1984-09-18 1986-04-14 Ushio Inc 複写機の光源ランプの光量制御方法
JPS6263944A (ja) * 1985-09-13 1987-03-20 Minolta Camera Co Ltd 電子写真複写機
JPS62105573A (ja) * 1985-10-31 1987-05-16 Sharp Corp 原稿読取装置
GB2182781B (en) * 1985-11-13 1989-10-25 Ushio Electric Inc Exposure intensity detecting system for copying machine
US4699497A (en) * 1986-05-21 1987-10-13 Xerox Corporation Illumination lamp assembly for a document scan system
US4806775A (en) * 1987-01-14 1989-02-21 Ricoh Company, Ltd. Image reading system using an LED array
JPS63138540U (en]) * 1987-03-03 1988-09-12
JPS646938A (en) * 1987-06-30 1989-01-11 Toshiba Corp Image forming device
JPH0827494B2 (ja) * 1987-07-02 1996-03-21 ミノルタ株式会社 複写機
DE3918599C2 (de) * 1988-06-07 1994-01-27 Ricoh Kk Verfahren zur Herstellung von nach Vorlagengrößen sortierten Kopiensätzen
JP2685816B2 (ja) * 1988-06-30 1997-12-03 株式会社東芝 光量制御装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5182630A (en]) * 1975-01-16 1976-07-20 Minolta Camera Kk
DE2553665C2 (de) * 1975-11-28 1984-10-18 Agfa-Gevaert Ag, 5090 Leverkusen Bildfeldblende in einem Kopiergerät
JPS5489627A (en) * 1977-12-27 1979-07-16 Canon Inc Exposure regulator
JPS5768876A (en) * 1980-10-17 1982-04-27 Canon Inc Copying device
EP0077988B1 (en) * 1981-10-23 1986-03-19 Kabushiki Kaisha Toshiba Image density detecting unit for image formation apparatus
JPS58214142A (ja) * 1982-06-07 1983-12-13 Toshiba Corp 画像形成装置における画像濃度検出装置
JPS58158662A (ja) * 1982-03-16 1983-09-20 Canon Inc 電子写真複写機におけるベタ黒発生防止装置

Also Published As

Publication number Publication date
US4636063A (en) 1987-01-13
JPS60244942A (ja) 1985-12-04
DE3517915C2 (en]) 1987-10-29
DE3517915A1 (de) 1985-11-21

Similar Documents

Publication Publication Date Title
US3914049A (en) Optical scanning system
JPH0452932B2 (en])
US4657377A (en) Image formation apparatus with variable density control
US4555621A (en) Illumination control system utilizing an integrating feedback detector
JPS6339887B2 (en])
JPS597354A (ja) 複写機の原稿濃度検知装置
US5061960A (en) Preexposure light control system for a photocopier
JPS60184241A (ja) 複写機
JPH0383462A (ja) 情報支持物によって散乱される光を測定するための装置
JPH01277256A (ja) 画像形成装置
EP0206602B1 (en) Electrostatic copying machine
JPS6098466A (ja) 電子写真複写機
JPS59210433A (ja) 複写装置
JPS58202438A (ja) 複写機の測光機構
JPS59113460A (ja) 複写機の自動露光装置
JP2677357B2 (ja) 画像形成装置に於ける自動濃度調整装置
JPS60198531A (ja) 複写機の自動露光装置
JPS6049364A (ja) 光量自動調整装置
JP3060534B2 (ja) 電子写真装置の画像品質検出装置及び検出方法
JPS6361212A (ja) マイクロリ−ダ等のオ−トフオ−カス装置
JPH0522224B2 (en])
JPH02100072A (ja) 画像形成装置
JPH06214311A (ja) 画像露光装置
JPS58106571A (ja) 電子複写機の原稿濃度検出装置
JPH0352630B2 (en])

Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term