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 (cs
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 (cs)

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 (cs) 1973-07-02
JPS5534422B2 JPS5534422B2 (cs) 1980-09-06

Family

ID=5821379

Family Applications (1)

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

Country Status (7)

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

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 (cs) * 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 (cs) * 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 (cs) * 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 (cs) * 1985-12-19 1986-07-28

Also Published As

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

Similar Documents

Publication Publication Date Title
FR2155559A5 (cs)
FR2158486B3 (cs)
FR2159465A1 (cs)
FR2149345A1 (cs)
FR2123311B1 (cs)
FR2147566A5 (cs)
FR2134276A1 (cs)
BE789383A (cs)
CH564777A5 (cs)
CH464272A4 (cs)
CH192571A4 (cs)
CH1158571A4 (cs)
BG16890A1 (cs)
CH505971A4 (cs)
CH558559A (cs)
CH559651A5 (cs)
CH561184A5 (cs)
BG17178A1 (cs)
BE778045R (cs)
CH577514A5 (cs)
BG16877A1 (cs)
CH566025A5 (cs)
CH560825A5 (cs)
BE788754A (cs)
CH565953A5 (cs)