JPS56156841A - Electronic copying machine - Google Patents

Electronic copying machine

Info

Publication number
JPS56156841A
JPS56156841A JP6053380A JP6053380A JPS56156841A JP S56156841 A JPS56156841 A JP S56156841A JP 6053380 A JP6053380 A JP 6053380A JP 6053380 A JP6053380 A JP 6053380A JP S56156841 A JPS56156841 A JP S56156841A
Authority
JP
Japan
Prior art keywords
output
tubes
operating means
maximum
basis
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
JP6053380A
Other languages
English (en)
Inventor
Fumiyoshi Nishimura
Mitsuaki Kamiyama
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP6053380A priority Critical patent/JPS56156841A/ja
Priority to US06/260,400 priority patent/US4378153A/en
Priority to DE3117753A priority patent/DE3117753C2/de
Publication of JPS56156841A publication Critical patent/JPS56156841A/ja
Pending 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
    • 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
    • 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)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Developing For Electrophotography (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
JP6053380A 1980-05-09 1980-05-09 Electronic copying machine Pending JPS56156841A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP6053380A JPS56156841A (en) 1980-05-09 1980-05-09 Electronic copying machine
US06/260,400 US4378153A (en) 1980-05-09 1981-05-04 Electronic duplicator
DE3117753A DE3117753C2 (de) 1980-05-09 1981-05-05 Faseroptisches Abbildungssystem

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6053380A JPS56156841A (en) 1980-05-09 1980-05-09 Electronic copying machine

Publications (1)

Publication Number Publication Date
JPS56156841A true JPS56156841A (en) 1981-12-03

Family

ID=13145034

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6053380A Pending JPS56156841A (en) 1980-05-09 1980-05-09 Electronic copying machine

Country Status (3)

Country Link
US (1) US4378153A (ja)
JP (1) JPS56156841A (ja)
DE (1) DE3117753C2 (ja)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58118662A (ja) * 1982-01-08 1983-07-14 Ricoh Co Ltd 画像制御装置
JPS6031157A (ja) * 1983-07-29 1985-02-16 Sharp Corp 複写機の自動制御装置
JPS6035752A (ja) * 1983-08-06 1985-02-23 Canon Inc 画像制御装置
JPS60112073A (ja) * 1983-11-22 1985-06-18 Matsushita Electric Ind Co Ltd 電子写真複写機
JPS60257457A (ja) * 1984-06-05 1985-12-19 Fuji Xerox Co Ltd 自動濃度調整の制御方法
JPS616640A (ja) * 1984-06-21 1986-01-13 Canon Inc 画像処理装置
JPS6153670A (ja) * 1984-08-24 1986-03-17 Fuji Xerox Co Ltd 電子写真方法
JPS61194457A (ja) * 1985-02-25 1986-08-28 Canon Inc 複写装置
JPS629335A (ja) * 1985-07-05 1987-01-17 Minolta Camera Co Ltd 自動露光装置
JPH01173069A (ja) * 1987-12-28 1989-07-07 Sharp Corp カラー複写機

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3267764D1 (en) * 1981-05-22 1986-01-16 Toshiba Kk An image density detecting device for image forming apparatus
JPS57210369A (en) * 1981-05-22 1982-12-23 Toshiba Corp Original density detector of image forming device
JPS59149377A (ja) * 1983-02-15 1984-08-27 Sharp Corp 転写材の分離方式
US4624548A (en) * 1983-07-22 1986-11-25 Canon Kabushiki Kaisha Image density control device
JPS6031132A (ja) * 1983-07-30 1985-02-16 Mita Ind Co Ltd 自動露光装置
US4674863A (en) * 1983-08-10 1987-06-23 Canon Kabushiki Kaisha Image forming apparatus controlled by a plurality of image density detectors
GB2182781B (en) * 1985-11-13 1989-10-25 Ushio Electric Inc Exposure intensity detecting system for copying machine
JPH0746256B2 (ja) * 1986-03-11 1995-05-17 三田工業株式会社 画像形成装置の自動露光装置
US4693592A (en) * 1986-05-27 1987-09-15 Eastman Kodak Company Patch generator for an electrophotographic device
US5065185A (en) * 1989-08-21 1991-11-12 Powers Edward A Multi-function detecting device for a document reproduction machine
DE4031064A1 (de) * 1990-10-02 1992-04-09 Seitz Phototechnik Ag Verfahren und vorrichtung zum aufbelichten eines filmbildes auf einem fotopapier oder dergl.
JPH06110284A (ja) * 1992-09-25 1994-04-22 Sanyo Electric Co Ltd 電子写真装置
JP7229782B2 (ja) 2019-01-09 2023-02-28 キヤノン株式会社 測定装置及び画像形成システム

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4172646A (en) * 1972-12-11 1979-10-30 Canon Kabushiki Kaisha Device to control introduction of diffracted beam by means of diffraction element
US4095888A (en) * 1974-06-10 1978-06-20 Ricoh Company, Ltd. Color electrophotography apparatus
JPS5145538A (ja) * 1974-10-17 1976-04-19 Ricoh Kk
JPS5328428A (en) * 1976-08-24 1978-03-16 Ricoh Co Ltd Light control for electrophoto graphic copier
GB1590960A (en) * 1976-11-27 1981-06-10 Ricoh Kk Optical scanning apparatus
US4153364A (en) * 1977-01-28 1979-05-08 Ricoh Company, Ltd. Exposure and development control apparatus for electrostatic copying machine
JPS5436725A (en) * 1977-08-26 1979-03-17 Ricoh Co Ltd Zerographic copying method

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58118662A (ja) * 1982-01-08 1983-07-14 Ricoh Co Ltd 画像制御装置
JPH0418304B2 (ja) * 1982-01-08 1992-03-27 Ricoh Kk
JPS6031157A (ja) * 1983-07-29 1985-02-16 Sharp Corp 複写機の自動制御装置
JPS6035752A (ja) * 1983-08-06 1985-02-23 Canon Inc 画像制御装置
JPS60112073A (ja) * 1983-11-22 1985-06-18 Matsushita Electric Ind Co Ltd 電子写真複写機
JPS60257457A (ja) * 1984-06-05 1985-12-19 Fuji Xerox Co Ltd 自動濃度調整の制御方法
JPS616640A (ja) * 1984-06-21 1986-01-13 Canon Inc 画像処理装置
JPS6153670A (ja) * 1984-08-24 1986-03-17 Fuji Xerox Co Ltd 電子写真方法
JPS61194457A (ja) * 1985-02-25 1986-08-28 Canon Inc 複写装置
JPS629335A (ja) * 1985-07-05 1987-01-17 Minolta Camera Co Ltd 自動露光装置
JPH01173069A (ja) * 1987-12-28 1989-07-07 Sharp Corp カラー複写機

Also Published As

Publication number Publication date
US4378153A (en) 1983-03-29
DE3117753C2 (de) 1986-04-10
DE3117753A1 (de) 1982-02-11

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