DE2658674C2 - Projektionskopiergerät - Google Patents

Projektionskopiergerät

Info

Publication number
DE2658674C2
DE2658674C2 DE2658674A DE2658674A DE2658674C2 DE 2658674 C2 DE2658674 C2 DE 2658674C2 DE 2658674 A DE2658674 A DE 2658674A DE 2658674 A DE2658674 A DE 2658674A DE 2658674 C2 DE2658674 C2 DE 2658674C2
Authority
DE
Germany
Prior art keywords
paper
copy
scanning
scale
original
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
DE2658674A
Other languages
German (de)
English (en)
Other versions
DE2658674A1 (de
Inventor
Kenichi Toyokawa Aichi Arai
Hiroshi Nukata Aichi Ikeda
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.)
Minolta Co Ltd
Original Assignee
Minolta Co Ltd
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 Minolta Co Ltd filed Critical Minolta Co Ltd
Publication of DE2658674A1 publication Critical patent/DE2658674A1/de
Application granted granted Critical
Publication of DE2658674C2 publication Critical patent/DE2658674C2/de
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00Apparatus for electrographic processes using a charge pattern
    • G03G15/04Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
    • G03G15/041Apparatus 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
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00Apparatus for electrographic processes using a charge pattern
    • G03G15/22Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20
    • G03G15/28Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which projection is obtained by line scanning
    • G03G15/30Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which projection is obtained by line scanning in which projection is formed on a drum

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Variable Magnification In Projection-Type Copying Machines (AREA)
  • Paper Feeding For Electrophotography (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Optical Systems Of Projection Type Copiers (AREA)
DE2658674A 1975-12-26 1976-12-23 Projektionskopiergerät Expired DE2658674C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50156419A JPS5280033A (en) 1975-12-26 1975-12-26 Cutter for a web of roll paper for variable multiplication electrophot ographic copying machine

Publications (2)

Publication Number Publication Date
DE2658674A1 DE2658674A1 (de) 1977-07-07
DE2658674C2 true DE2658674C2 (de) 1986-02-13

Family

ID=15627333

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2658674A Expired DE2658674C2 (de) 1975-12-26 1976-12-23 Projektionskopiergerät

Country Status (3)

Country Link
US (1) US4126389A (enExample)
JP (1) JPS5280033A (enExample)
DE (1) DE2658674C2 (enExample)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1599219A (en) * 1977-02-15 1981-09-30 Ricoh Kk Copying apparatus
JPS5452233U (enExample) * 1977-09-20 1979-04-11
JPS5492252A (en) * 1977-12-29 1979-07-21 Konishiroku Photo Ind Co Ltd Transfer paper separation signal pickup device in variable magnification type copying machine
US4295731A (en) * 1978-04-17 1981-10-20 Mita Industrial Company Limited Electrostatic copying apparatus
JPS5511268A (en) * 1978-07-12 1980-01-26 Minolta Camera Co Ltd Copying machine
US4426153A (en) 1979-06-21 1984-01-17 Ibm Corporation Apparatus for the reduction of image intensity variations in a continuously variable reducing copier
JPS5669666A (en) 1979-11-12 1981-06-11 Konishiroku Photo Ind Co Ltd Copying machine
US4371255A (en) * 1979-11-30 1983-02-01 Ricoh Company, Ltd. Electrophotographic copying method and apparatus of reciprocal original scanning type
JPS5683756A (en) * 1979-12-13 1981-07-08 Canon Inc Image forming apparatus
US4402595A (en) * 1980-03-25 1983-09-06 Canon Kabushiki Kaisha Scanning type image formation apparatus
JPS5741654A (en) * 1980-08-25 1982-03-08 Canon Inc Image former
GB2088572A (en) 1980-12-02 1982-06-09 Gestetner Mfg Ltd Variable speed scan drive
JPS5865456A (ja) * 1981-10-14 1983-04-19 Minolta Camera Co Ltd 可変倍転写型複写機
JPS5895366A (ja) * 1981-11-30 1983-06-06 Mita Ind Co Ltd 変倍複写可能な静電複写機における光学装置
JPS58100162A (ja) * 1981-12-10 1983-06-14 Konishiroku Photo Ind Co Ltd 可変倍率型複写機
JPS58182627A (ja) * 1982-04-20 1983-10-25 Mita Ind Co Ltd 静電複写機
US4543643A (en) * 1982-05-28 1985-09-24 Minolta Camera Copying magnification setting device for an electrophotographic copying apparatus
JPS5929238A (ja) * 1982-08-10 1984-02-16 Minolta Camera Co Ltd 走査系の減速制御方法
JPS5933442A (ja) * 1982-08-19 1984-02-23 Toshiba Corp 画像形成装置
JPS59162569A (ja) * 1983-03-08 1984-09-13 Canon Inc 画像形成装置
JPS6017734A (ja) * 1983-07-12 1985-01-29 Toshiba Corp 原稿走査装置の制御方式
JPS60162238A (ja) * 1984-01-31 1985-08-24 Sharp Corp 変倍複写機の倍率設定方法
JPS6190150A (ja) * 1984-10-09 1986-05-08 Matsushita Electric Ind Co Ltd 乾式複写装置
US4908675A (en) * 1986-02-10 1990-03-13 Ricoh Company, Ltd. Color image forming apparatus having a synchronized conveyor
US4891681A (en) * 1988-12-09 1990-01-02 Eastman Kodak Company Hard copy apparatus for producing center fastened sheet sets
JPH056042A (ja) * 1991-06-27 1993-01-14 Mita Ind Co Ltd 複写機
JPH10111593A (ja) * 1996-10-04 1998-04-28 Asahi Optical Co Ltd 複写機の変倍光学装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1936169A1 (de) * 1969-07-16 1971-02-11 Ece Gmbh Fotokopiergeraet
JPS5225741B1 (enExample) * 1969-10-14 1977-07-09
JPS5629271B2 (enExample) * 1972-03-29 1981-07-07
JPS5241860Y2 (enExample) * 1973-02-27 1977-09-22
JPS5010735A (enExample) * 1973-05-30 1975-02-04
DE2330341C3 (de) * 1973-06-14 1982-06-16 Mita Industrial Co., Ltd., Osaka Projektionskopiervorrichtung
JPS5626026B2 (enExample) * 1973-12-28 1981-06-16

Also Published As

Publication number Publication date
JPS5626021B2 (enExample) 1981-06-16
DE2658674A1 (de) 1977-07-07
US4126389A (en) 1978-11-21
JPS5280033A (en) 1977-07-05

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Legal Events

Date Code Title Description
OD Request for examination
8125 Change of the main classification
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee