AU4732672A - Exposure apparatus for electrophotographic reproduction machines - Google Patents

Exposure apparatus for electrophotographic reproduction machines

Info

Publication number
AU4732672A
AU4732672A AU47326/72A AU4732672A AU4732672A AU 4732672 A AU4732672 A AU 4732672A AU 47326/72 A AU47326/72 A AU 47326/72A AU 4732672 A AU4732672 A AU 4732672A AU 4732672 A AU4732672 A AU 4732672A
Authority
AU
Australia
Prior art keywords
exposure apparatus
electrophotographic reproduction
reproduction machines
machines
electrophotographic
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
Application number
AU47326/72A
Other versions
AU461626B2 (en
Inventor
Moser Hermann
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.)
Hoechst AG
Original Assignee
Kalle GmbH and Co KG
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 Kalle GmbH and Co KG filed Critical Kalle GmbH and Co KG
Publication of AU4732672A publication Critical patent/AU4732672A/en
Application granted granted Critical
Publication of AU461626B2 publication Critical patent/AU461626B2/en
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)
AU47326/72A 1971-10-04 1972-10-03 Exposure apparatus for electrophotographic reproduction machines Expired AU461626B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19712149404 DE2149404B2 (en) 1971-10-04 1971-10-04 LIGHTING DEVICE FOR ELECTROPHOTOGRAPHIC REPRODUCTION EQUIPMENT
DEDE8.2149 1971-10-04

Publications (2)

Publication Number Publication Date
AU4732672A true AU4732672A (en) 1974-04-11
AU461626B2 AU461626B2 (en) 1975-05-29

Family

ID=5821379

Family Applications (1)

Application Number Title Priority Date Filing Date
AU47326/72A Expired AU461626B2 (en) 1971-10-04 1972-10-03 Exposure apparatus for electrophotographic reproduction machines

Country Status (7)

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

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS502548A (en) * 1973-05-08 1975-01-11
US3967895A (en) * 1974-09-18 1976-07-06 Xerox Corporation Illumination control system
DE2528925A1 (en) * 1975-06-28 1977-01-13 Agfa Gevaert Ag PHOTOCOPYER
JPS5229225A (en) * 1975-08-29 1977-03-04 Ricoh Co Ltd Exposure adjustable device of an automatic return type
JPS5841497B2 (en) * 1976-05-31 1983-09-12 ミノルタ株式会社 Exposure amount adjustment device for slit exposure type copying machine
IT1085310B (en) * 1977-02-02 1985-05-28 Grafosol Spa LIGHTING AND REGULATION DEVICE FOR THE QUANTITY OF LIGHT, FOR MACHINES FOR THE PREPARATION OF PRINTING DIES BY ELECTROSTATIC ROUTE
DE2839076C3 (en) * 1977-09-09 1998-01-29 Canon Kk Copier
JPS5442149A (en) * 1977-09-09 1979-04-03 Canon Inc Image former
JPS5492223A (en) * 1977-12-29 1979-07-21 Konishiroku Photo Ind Co Ltd Magnification variable type copier of automatic return type
DE2916243A1 (en) * 1978-04-25 1979-11-08 Iwatsu Electric Co Ltd EXPOSURE DEVICE FOR AN ELECTROGRAPHIC COPY DEVICE
GB2024438B (en) 1978-06-30 1983-04-27 Canon Kk Electrophotographic copier
JPS557709A (en) * 1978-06-30 1980-01-19 Canon Inc Exposure control unit of copying machine
DE2954647C2 (en) * 1978-06-30 1994-03-03 Canon Kk Electrophotographic copier with lamp control circuit
JPS55101965A (en) * 1979-01-30 1980-08-04 Ricoh Co Ltd Aperture control unit in variable power copying machine
JPS5621165A (en) * 1979-07-28 1981-02-27 Mita Ind Co Ltd Exposure adjusting device of electrostatic type copying machine
JPS56164365A (en) * 1980-05-23 1981-12-17 Fuji Xerox Co Ltd Exposure adjusting device for copying machine
JPS576870A (en) * 1980-06-13 1982-01-13 Minolta Camera Co Ltd Operating device
JPS61121760U (en) * 1985-01-17 1986-07-31
JPS61119160U (en) * 1985-12-19 1986-07-28
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

Also Published As

Publication number Publication date
GB1398576A (en) 1975-06-25
NL7212953A (en) 1973-04-06
DE2149404B2 (en) 1976-09-30
FR2155559A5 (en) 1973-05-18
US3771867A (en) 1973-11-13
DE2149404A1 (en) 1973-04-12
AU461626B2 (en) 1975-05-29
JPS4846341A (en) 1973-07-02
JPS5534422B2 (en) 1980-09-06

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