GB1323725A - Photocopying device - Google Patents

Photocopying device

Info

Publication number
GB1323725A
GB1323725A GB3456270A GB3456270A GB1323725A GB 1323725 A GB1323725 A GB 1323725A GB 3456270 A GB3456270 A GB 3456270A GB 3456270 A GB3456270 A GB 3456270A GB 1323725 A GB1323725 A GB 1323725A
Authority
GB
United Kingdom
Prior art keywords
july
exposure
paper
buttons
originals
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
GB3456270A
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
Application filed by Canon Inc filed Critical Canon Inc
Publication of GB1323725A publication Critical patent/GB1323725A/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
    • G03G15/041—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 variable magnification

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)

Abstract

1323725 Electro-photographic copiers CANON K K 16 July 1970 [16 July 1969] 34562/70 Headings G2A and G2H Selectively operable buttons 11-16 control a cutter 7 to determine the length of copy paper S, select a switch pair 9, 10 or 11' to slow the paper for exposure and to operate flash-lights, and determine the image magnification by adjusting a lens 3 and mirrors 2, 2'; cross-hatching on the buttons indicating the positions in which originals should be placed on a platen 1 for exposure.
GB3456270A 1969-07-16 1970-07-16 Photocopying device Expired GB1323725A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691936169 DE1936169A1 (en) 1969-07-16 1969-07-16 Photocopier

Publications (1)

Publication Number Publication Date
GB1323725A true GB1323725A (en) 1973-07-18

Family

ID=5739986

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3456270A Expired GB1323725A (en) 1969-07-16 1970-07-16 Photocopying device

Country Status (3)

Country Link
US (1) US3792926A (en)
DE (1) DE1936169A1 (en)
GB (1) GB1323725A (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4116562A (en) * 1972-10-27 1978-09-26 International Business Machines Optical system featuring change in magnification by combined lens and mirror motion
US3901593A (en) * 1973-03-27 1975-08-26 Iwatsu Electric Co Ltd Copying machines of the variable magnifying power type
US3947188A (en) * 1974-11-11 1976-03-30 Xerox Corporation Variable conjugate optical system
US4033692A (en) * 1975-10-30 1977-07-05 Xerox Corporation Multi-mode reproducing machine
US4029411A (en) * 1975-10-30 1977-06-14 Xerox Corporation Variable magnification copier
JPS5280033A (en) * 1975-12-26 1977-07-05 Minolta Camera Co Ltd Cutter for a web of roll paper for variable multiplication electrophot ographic copying machine
JPS52117135A (en) * 1976-03-26 1977-10-01 Toshiba Corp Electrophotographic copier
DE2638696C2 (en) * 1976-08-27 1982-08-26 Agfa-Gevaert Ag, 5090 Leverkusen Method for setting the displayed format of originals of various sizes and device for carrying out the method
US4124293A (en) * 1976-12-09 1978-11-07 International Business Machines Corporation Cam-operated scanning optics drive for a continuously variable magnification system
FR2388314A1 (en) * 1977-04-19 1978-11-17 Canon Kk REPROGRAPHIC EQUIPMENT VERIFYING THE CONFORMITY OF THE DIMENSION OF THE IMAGE SUPPORT
CH631553A5 (en) * 1978-09-12 1982-08-13 Germann & Gsell Ag COPIER.
JPS5835563A (en) * 1981-08-26 1983-03-02 Canon Inc Copying device
US5369733A (en) * 1982-10-01 1994-11-29 Canon Kabushiki Kaisha Image processing apparatus with apparatus for adjusting a magnification setting
US4619521A (en) * 1984-03-31 1986-10-28 Canon Kabushiki Kaisha Image processing apparatus
JPH0679130B2 (en) * 1987-03-06 1994-10-05 富士写真フイルム株式会社 Photo printing equipment

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2927503A (en) * 1954-04-10 1960-03-08 Zollinger Walter Photographic projection copying device
US3416860A (en) * 1965-06-11 1968-12-17 Scm Corp Electrostatic printer
US3503677A (en) * 1966-05-30 1970-03-31 Ricoh Kk Electrophotographic copying machine
US3535037A (en) * 1967-09-29 1970-10-20 Ricoh Kk Variable magnification exposure device for a reproduction apparatus
US3542467A (en) * 1968-04-15 1970-11-24 Xerox Corp Xerographic reproducing apparatus
US3687544A (en) * 1970-03-11 1972-08-29 Mueller Rudolf Electrophotographic copying machine

Also Published As

Publication number Publication date
US3792926A (en) 1974-02-19
DE1936169A1 (en) 1971-02-11

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years