JPS5621165A - Exposure adjusting device of electrostatic type copying machine - Google Patents

Exposure adjusting device of electrostatic type copying machine

Info

Publication number
JPS5621165A
JPS5621165A JP9623779A JP9623779A JPS5621165A JP S5621165 A JPS5621165 A JP S5621165A JP 9623779 A JP9623779 A JP 9623779A JP 9623779 A JP9623779 A JP 9623779A JP S5621165 A JPS5621165 A JP S5621165A
Authority
JP
Japan
Prior art keywords
exposure
standard
timer
adjusting device
standard exposure
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
JP9623779A
Other languages
English (en)
Inventor
Koji Washio
Shozo Kai
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.)
Kyocera Mita Industrial Co Ltd
Original Assignee
Mita Industrial 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 Mita Industrial Co Ltd filed Critical Mita Industrial Co Ltd
Priority to JP9623779A priority Critical patent/JPS5621165A/ja
Priority to GB8024514A priority patent/GB2055217B/en
Priority to US06/172,282 priority patent/US4361395A/en
Priority to DE3028527A priority patent/DE3028527C2/de
Publication of JPS5621165A publication Critical patent/JPS5621165A/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
    • G03G15/04—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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
JP9623779A 1979-07-28 1979-07-28 Exposure adjusting device of electrostatic type copying machine Pending JPS5621165A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP9623779A JPS5621165A (en) 1979-07-28 1979-07-28 Exposure adjusting device of electrostatic type copying machine
GB8024514A GB2055217B (en) 1979-07-28 1980-07-25 Exposure adjustment device for electrostatic copying apparatus
US06/172,282 US4361395A (en) 1979-07-28 1980-07-25 Exposure adjustment device for electrostatic copying apparatus
DE3028527A DE3028527C2 (de) 1979-07-28 1980-07-28 Belichtungssteuerung für ein elektrofotografisches Kopiergerät

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9623779A JPS5621165A (en) 1979-07-28 1979-07-28 Exposure adjusting device of electrostatic type copying machine

Publications (1)

Publication Number Publication Date
JPS5621165A true JPS5621165A (en) 1981-02-27

Family

ID=14159615

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9623779A Pending JPS5621165A (en) 1979-07-28 1979-07-28 Exposure adjusting device of electrostatic type copying machine

Country Status (4)

Country Link
US (1) US4361395A (ja)
JP (1) JPS5621165A (ja)
DE (1) DE3028527C2 (ja)
GB (1) GB2055217B (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5989356U (ja) * 1982-12-07 1984-06-16 コニカ株式会社 キ−入力装置
JPS61189579A (ja) * 1985-02-19 1986-08-23 Sharp Corp 複写機の露光調整装置
JPS62269969A (ja) * 1986-05-19 1987-11-24 Sanyo Electric Co Ltd 電子複写機

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4543643A (en) * 1982-05-28 1985-09-24 Minolta Camera Copying magnification setting device for an electrophotographic copying apparatus
US4498140A (en) * 1982-06-02 1985-02-05 Chesley F. Carlson Automated self calibrating exposure computer
JPS5933442A (ja) * 1982-08-19 1984-02-23 Toshiba Corp 画像形成装置
US4821068A (en) * 1983-05-10 1989-04-11 Canon Kabushiki Kaisha Image forming apparatus
US5239341A (en) * 1983-11-25 1993-08-24 Canon Kabushiki Kaisha Image processing apparatus having variable magnification control
JPH0619621B2 (ja) * 1983-12-20 1994-03-16 株式会社東芝 像形成装置
DE3507312C2 (de) * 1984-03-02 1990-06-21 Sharp K.K., Osaka Fotokopiergerät
DE3409701A1 (de) * 1984-03-16 1985-09-19 Hoechst Ag, 6230 Frankfurt Verfahren und anordnung zum einhalten eines vorgegebenen potentialverhaeltnisses bei der belichtung von elektrostatisch aufgeladenen lichtempfindlichen schichten
US4619521A (en) * 1984-03-31 1986-10-28 Canon Kabushiki Kaisha Image processing apparatus
US4708459A (en) * 1986-03-11 1987-11-24 Eastman Kodak Company Electrophotographic color proofing apparatus and method
JPS6477069A (en) * 1987-05-09 1989-03-23 Ricoh Kk Density control system for digital copying machine
JP3160306B2 (ja) * 1991-03-29 2001-04-25 株式会社東芝 画像形成装置
JP2005024727A (ja) * 2003-06-30 2005-01-27 Brother Ind Ltd 複写機、複写部数セットプログラムおよび複写部数セット方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2149404B2 (de) * 1971-10-04 1976-09-30 Hoechst Ag, 6000 Frankfurt Belichtungseinrichtung fuer elektrophotographische reproduktionsgeraete
US3989374A (en) * 1975-06-23 1976-11-02 Latka Henry C Electronic timing device
JPS5229225A (en) * 1975-08-29 1977-03-04 Ricoh Co Ltd Exposure adjustable device of an automatic return type
CA1091756A (en) * 1975-10-14 1980-12-16 Eastman Kodak Company Electrophotographic apparatus having compensation for changes in sensitometric properties of photoconductors
US4153364A (en) * 1977-01-28 1979-05-08 Ricoh Company, Ltd. Exposure and development control apparatus for electrostatic copying machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5989356U (ja) * 1982-12-07 1984-06-16 コニカ株式会社 キ−入力装置
JPS61189579A (ja) * 1985-02-19 1986-08-23 Sharp Corp 複写機の露光調整装置
JPS62269969A (ja) * 1986-05-19 1987-11-24 Sanyo Electric Co Ltd 電子複写機

Also Published As

Publication number Publication date
GB2055217A (en) 1981-02-25
DE3028527C2 (de) 1983-07-21
DE3028527A1 (de) 1981-02-05
GB2055217B (en) 1983-07-06
US4361395A (en) 1982-11-30

Similar Documents

Publication Publication Date Title
JPS5621165A (en) Exposure adjusting device of electrostatic type copying machine
JPS5266431A (en) Copying machine
JPS53128935A (en) Starting device for mobile computer
GB1552195A (en) Electrographic copying apparatus including a circuit for checking the power that is transmitted by a switching element
JPS56146147A (en) Copying machine provided with gathering device
JPS56136054A (en) Function assigning circuit
JPS5238938A (en) Temperature control device for fixing means of electrophotographic cop ying machine
JPS53120158A (en) Power source control system
JPS5487011A (en) Telautogram information transmitting device
JPS5735874A (en) Overheating prevention method of copying machine
JPS5249839A (en) Corona discharge device for electrohpotographic copying machine
JPS5487217A (en) Automatic original feeder
JPS5724961A (en) Copying device
JPS54160281A (en) Load control unit
JPS5577136A (en) Electron beam exposure control system
JPS54128735A (en) Warning device for camera
JPS5461521A (en) Automatic original feeder
JPS524826A (en) Exposure control circuit for the camera
JPS5425131A (en) Control system for input-output terminal
JPS5619038A (en) Control system of copy density in copying machine having variable power function
JPS53143099A (en) Discharge machine device
JPS5512985A (en) Electrophotography device
JPS52110344A (en) Electric advance
JPS53144031A (en) Control of combustor
JPS57205753A (en) Image former