GB2090003B - Electrophotographic copier - Google Patents

Electrophotographic copier

Info

Publication number
GB2090003B
GB2090003B GB8125794A GB8125794A GB2090003B GB 2090003 B GB2090003 B GB 2090003B GB 8125794 A GB8125794 A GB 8125794A GB 8125794 A GB8125794 A GB 8125794A GB 2090003 B GB2090003 B GB 2090003B
Authority
GB
United Kingdom
Prior art keywords
electrophotographic copier
copier
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
GB8125794A
Other versions
GB2090003A (en
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.)
Canon Inc
Original Assignee
Canon Inc
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
Priority claimed from JP55116850A external-priority patent/JPS5741654A/en
Priority claimed from JP55118608A external-priority patent/JPS5742061A/en
Priority claimed from JP55121576A external-priority patent/JPS5746495A/en
Priority claimed from JP55121577A external-priority patent/JPS5746496A/en
Priority claimed from JP55148662A external-priority patent/JPS5771037A/en
Application filed by Canon Inc filed Critical Canon Inc
Publication of GB2090003A publication Critical patent/GB2090003A/en
Application granted granted Critical
Publication of GB2090003B publication Critical patent/GB2090003B/en
Expired 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
    • G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
    • G03B27/52—Details
    • G03B27/522—Projection optics
    • G03B27/525—Projection optics for slit exposure
    • G03B27/526—Projection optics for slit exposure in which the projection optics move
    • G03B27/527—Projection optics for slit exposure in which the projection optics move as a whole in a translatory movement
GB8125794A 1980-08-25 1981-08-24 Electrophotographic copier Expired GB2090003B (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP55116850A JPS5741654A (en) 1980-08-25 1980-08-25 Image former
JP55118608A JPS5742061A (en) 1980-08-28 1980-08-28 Adjuster for quantity of light
JP55121576A JPS5746495A (en) 1980-09-01 1980-09-01 Dimming device
JP55121577A JPS5746496A (en) 1980-09-01 1980-09-01 Dimming device
JP55148662A JPS5771037A (en) 1980-10-22 1980-10-22 Input equipment

Publications (2)

Publication Number Publication Date
GB2090003A GB2090003A (en) 1982-06-30
GB2090003B true GB2090003B (en) 1984-08-22

Family

ID=27526743

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8125794A Expired GB2090003B (en) 1980-08-25 1981-08-24 Electrophotographic copier

Country Status (2)

Country Link
DE (1) DE3133619A1 (en)
GB (1) GB2090003B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3530842C3 (en) * 1984-08-30 1993-09-09 Sharp Kk Method for controlling the movement of the scanning device of a copying machine into the starting position

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3669535A (en) * 1970-01-21 1972-06-13 Speed O Print Business Machine Photocopy machine
US3928772A (en) * 1974-03-14 1975-12-23 Xerox Corp Time dependent fault detector
US4139300A (en) * 1974-10-22 1979-02-13 Canon Kabushiki Kaisha Copying apparatus with variable stop position

Also Published As

Publication number Publication date
DE3133619A1 (en) 1982-06-24
DE3133619C2 (en) 1990-10-25
GB2090003A (en) 1982-06-30

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20010823