JPS4846341A - - Google Patents

Info

Publication number
JPS4846341A
JPS4846341A JP47100277A JP10027772A JPS4846341A JP S4846341 A JPS4846341 A JP S4846341A JP 47100277 A JP47100277 A JP 47100277A JP 10027772 A JP10027772 A JP 10027772A JP S4846341 A JPS4846341 A JP S4846341A
Authority
JP
Japan
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.)
Granted
Application number
JP47100277A
Other languages
Japanese (ja)
Other versions
JPS5534422B2 (enrdf_load_stackoverflow
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 filed Critical
Publication of JPS4846341A publication Critical patent/JPS4846341A/ja
Publication of JPS5534422B2 publication Critical patent/JPS5534422B2/ja
Expired 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
    • 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)
  • Spectroscopy & Molecular Physics (AREA)
  • Optical Systems Of Projection Type Copiers (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Control Of Exposure In Printing And Copying (AREA)
  • Control Or Security For Electrophotography (AREA)
JP10027772A 1971-10-04 1972-10-04 Expired JPS5534422B2 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712149404 DE2149404B2 (de) 1971-10-04 1971-10-04 Belichtungseinrichtung fuer elektrophotographische reproduktionsgeraete

Publications (2)

Publication Number Publication Date
JPS4846341A true JPS4846341A (enrdf_load_stackoverflow) 1973-07-02
JPS5534422B2 JPS5534422B2 (enrdf_load_stackoverflow) 1980-09-06

Family

ID=5821379

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10027772A Expired JPS5534422B2 (enrdf_load_stackoverflow) 1971-10-04 1972-10-04

Country Status (7)

Country Link
US (1) US3771867A (enrdf_load_stackoverflow)
JP (1) JPS5534422B2 (enrdf_load_stackoverflow)
AU (1) AU461626B2 (enrdf_load_stackoverflow)
DE (1) DE2149404B2 (enrdf_load_stackoverflow)
FR (1) FR2155559A5 (enrdf_load_stackoverflow)
GB (1) GB1398576A (enrdf_load_stackoverflow)
NL (1) NL7212953A (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5492223A (en) * 1977-12-29 1979-07-21 Konishiroku Photo Ind Co Ltd Magnification variable type copier of automatic return type
JPS557709A (en) * 1978-06-30 1980-01-19 Canon Inc Exposure control unit of copying machine
JPS55101965A (en) * 1979-01-30 1980-08-04 Ricoh Co Ltd Aperture control unit in variable power copying machine
JPS56164365A (en) * 1980-05-23 1981-12-17 Fuji Xerox Co Ltd Exposure adjusting device for copying machine
JPS61119160U (enrdf_load_stackoverflow) * 1985-12-19 1986-07-28

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS502548A (enrdf_load_stackoverflow) * 1973-05-08 1975-01-11
US3967895A (en) * 1974-09-18 1976-07-06 Xerox Corporation Illumination control system
DE2528925A1 (de) * 1975-06-28 1977-01-13 Agfa Gevaert Ag Fotokopiergeraet
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
JPS5841497B2 (ja) * 1976-05-31 1983-09-12 ミノルタ株式会社 スリット露光型複写機における露光量調整装置
IT1085310B (it) * 1977-02-02 1985-05-28 Grafosol Spa Dispositivo di illuminazione e regolazione della quantita' di luce,per macchine per la preparazione di matrici da stampa per via elettrostatica
DE2839076C3 (de) * 1977-09-09 1998-01-29 Canon Kk Kopiergerät
JPS5442149A (en) * 1977-09-09 1979-04-03 Canon Inc Image former
DE2916243A1 (de) * 1978-04-25 1979-11-08 Iwatsu Electric Co Ltd Belichtungsvorrichtung fuer eine elektrographische kopiervorrichtung
DE2954647C2 (de) * 1978-06-30 1994-03-03 Canon Kk Kopiergerät mit einstellbarer Lichtquellenleistung
GB2024438B (en) 1978-06-30 1983-04-27 Canon Kk Electrophotographic copier
JPS5621165A (en) * 1979-07-28 1981-02-27 Mita Ind Co Ltd Exposure adjusting device of electrostatic type copying machine
JPS576870A (en) * 1980-06-13 1982-01-13 Minolta Camera Co Ltd Operating device
JPS61121760U (enrdf_load_stackoverflow) * 1985-01-17 1986-07-31
US5036552A (en) * 1990-02-22 1991-08-06 Deakyne Ralph V Fastener
US7344255B2 (en) * 2004-04-01 2008-03-18 Nisca Corporation Light amount adjusting apparatus and projector using the same

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3107578A (en) * 1959-12-05 1963-10-22 Agfa Ag Filter-operating arrangement for a photographic printing apparatus
GB1074583A (en) * 1963-01-23 1967-07-05 Eastman Kodak Co Sheet-handling apparatus
US3602579A (en) * 1969-11-17 1971-08-31 Film Editing Equipment Corp Electromechanical light valve system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5492223A (en) * 1977-12-29 1979-07-21 Konishiroku Photo Ind Co Ltd Magnification variable type copier of automatic return type
JPS557709A (en) * 1978-06-30 1980-01-19 Canon Inc Exposure control unit of copying machine
JPS55101965A (en) * 1979-01-30 1980-08-04 Ricoh Co Ltd Aperture control unit in variable power copying machine
JPS56164365A (en) * 1980-05-23 1981-12-17 Fuji Xerox Co Ltd Exposure adjusting device for copying machine
JPS61119160U (enrdf_load_stackoverflow) * 1985-12-19 1986-07-28

Also Published As

Publication number Publication date
DE2149404A1 (de) 1973-04-12
FR2155559A5 (enrdf_load_stackoverflow) 1973-05-18
NL7212953A (enrdf_load_stackoverflow) 1973-04-06
GB1398576A (en) 1975-06-25
JPS5534422B2 (enrdf_load_stackoverflow) 1980-09-06
US3771867A (en) 1973-11-13
AU4732672A (en) 1974-04-11
DE2149404B2 (de) 1976-09-30
AU461626B2 (en) 1975-05-29

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