DE3485167D1 - Automatische belichtungsvorrichtung. - Google Patents

Automatische belichtungsvorrichtung.

Info

Publication number
DE3485167D1
DE3485167D1 DE8484108994T DE3485167T DE3485167D1 DE 3485167 D1 DE3485167 D1 DE 3485167D1 DE 8484108994 T DE8484108994 T DE 8484108994T DE 3485167 T DE3485167 T DE 3485167T DE 3485167 D1 DE3485167 D1 DE 3485167D1
Authority
DE
Germany
Prior art keywords
exposure device
automatic exposure
automatic
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.)
Expired - Lifetime
Application number
DE8484108994T
Other languages
English (en)
Inventor
Irie Yoichiro
Shigemura Yutaka
Namba Satoshi
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
Application granted granted Critical
Publication of DE3485167D1 publication Critical patent/DE3485167D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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)
  • Spectroscopy & Molecular Physics (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Control Of Exposure In Printing And Copying (AREA)
  • Control Or Security For Electrophotography (AREA)
DE8484108994T 1983-07-30 1984-07-30 Automatische belichtungsvorrichtung. Expired - Lifetime DE3485167D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58139962A JPS6031132A (ja) 1983-07-30 1983-07-30 自動露光装置

Publications (1)

Publication Number Publication Date
DE3485167D1 true DE3485167D1 (de) 1991-11-21

Family

ID=15257719

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484108994T Expired - Lifetime DE3485167D1 (de) 1983-07-30 1984-07-30 Automatische belichtungsvorrichtung.

Country Status (4)

Country Link
US (1) US4540279A (de)
EP (1) EP0133319B1 (de)
JP (1) JPS6031132A (de)
DE (1) DE3485167D1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4745434A (en) * 1984-03-05 1988-05-17 Canon Kabushiki Kaisha Copying apparatus having progressive control means
US5260745A (en) * 1984-12-26 1993-11-09 Canon Kabushiki Kaisha Image exposing and forming apparatus with original density detection
JPS61119155U (de) * 1985-01-11 1986-07-28
JPS62178231A (ja) * 1986-01-31 1987-08-05 Mita Ind Co Ltd 自動露光制御方法
US4905040A (en) * 1986-11-13 1990-02-27 Canon Kabushiki Kaisha Board copying apparatus
JPS63138540U (de) * 1987-03-03 1988-09-12
US4982232A (en) * 1987-04-20 1991-01-01 Minolta Camera Kabushiki Kaisha Exposure control system of image forming apparatus
US4912508A (en) * 1988-03-14 1990-03-27 Xerox Corporation Automatic background control for an electrostatic copier
US4990953A (en) * 1988-05-27 1991-02-05 Sharp Kabushiki Kaisha Copying apparatus
JPH0222638A (ja) * 1988-07-11 1990-01-25 Brother Ind Ltd 画像形成装置
US5049918A (en) * 1988-08-25 1991-09-17 Brother Kogyo Kabushiki Kaisha Color image recording apparatus
JPH068944B2 (ja) * 1988-11-25 1994-02-02 シャープ株式会社 自動露光装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3764210A (en) * 1970-11-03 1973-10-09 Minolta Camera Kk A lighting system for a halogen lamp in a duplicating machine
JPS5182630A (de) * 1975-01-16 1976-07-20 Minolta Camera Kk
US4161363A (en) * 1975-08-04 1979-07-17 Quantor Corporation Instantaneous exposure control for film
US4153364A (en) * 1977-01-28 1979-05-08 Ricoh Company, Ltd. Exposure and development control apparatus for electrostatic copying machine
US4124295A (en) * 1977-02-02 1978-11-07 Savin Business Machines Corporation Background brightness control for document copier
JPS5436725A (en) * 1977-08-26 1979-03-17 Ricoh Co Ltd Zerographic copying method
JPS55137548A (en) * 1979-04-13 1980-10-27 Canon Inc Method and apparatus for image formation
US4304486A (en) * 1979-10-22 1981-12-08 Nashua Corporation Automatic bias and registration control system for electrophotographic copier
US4354758A (en) * 1980-01-31 1982-10-19 Tokyo Shibaura Denki Kabushiki Kaisha Exposure control device for a photocopier
JPS56110961A (en) * 1980-02-07 1981-09-02 Toshiba Corp Exposure device of electrophotographic copier
JPS56156841A (en) * 1980-05-09 1981-12-03 Toshiba Corp Electronic copying machine
JPS576871A (en) * 1980-06-17 1982-01-13 Ricoh Co Ltd Detection of exposure in electrophotographic copier
JPS5722265A (en) * 1980-07-16 1982-02-05 Toshiba Corp Exposure control device for copying machine
DE3214452A1 (de) * 1982-04-20 1983-10-20 Develop Dr. Eisbein Gmbh & Co, 7016 Gerlingen Belichtungseinrichtung fuer ein kopiergeraet

Also Published As

Publication number Publication date
US4540279A (en) 1985-09-10
EP0133319A1 (de) 1985-02-20
EP0133319B1 (de) 1991-10-16
JPH0554094B2 (de) 1993-08-11
JPS6031132A (ja) 1985-02-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee