JPH0531131B2 - - Google Patents

Info

Publication number
JPH0531131B2
JPH0531131B2 JP57224788A JP22478882A JPH0531131B2 JP H0531131 B2 JPH0531131 B2 JP H0531131B2 JP 57224788 A JP57224788 A JP 57224788A JP 22478882 A JP22478882 A JP 22478882A JP H0531131 B2 JPH0531131 B2 JP H0531131B2
Authority
JP
Japan
Prior art keywords
speed
motor
carriage
copying machine
scanning device
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 - Lifetime
Application number
JP57224788A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5910937A (ja
Inventor
Ratein Ruchiaano
Uigurierumo Amerigo
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.)
INGU CHII ORIBETSUTEI E CO SpA
Original Assignee
INGU CHII ORIBETSUTEI E CO SpA
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 INGU CHII ORIBETSUTEI E CO SpA filed Critical INGU CHII ORIBETSUTEI E CO SpA
Publication of JPS5910937A publication Critical patent/JPS5910937A/ja
Publication of JPH0531131B2 publication Critical patent/JPH0531131B2/ja
Granted 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
    • 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)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Variable Magnification In Projection-Type Copying Machines (AREA)
  • Optical Systems Of Projection Type Copiers (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
JP57224788A 1981-12-21 1982-12-21 可変縮小／拡大比を有する複写機用原稿走査装置 Granted JPS5910937A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT68650/81A IT1145600B (it) 1981-12-21 1981-12-21 Dispositivo di scansione di un originale per copiatrici con rapporto di riduzione ingrandimento variabile
IT68650A/81 1981-12-21

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP3202496A Division JPH0740120B2 (ja) 1981-12-21 1991-07-17 可変縮小／拡大比を有する複写機用原稿走査装置

Publications (2)

Publication Number Publication Date
JPS5910937A JPS5910937A (ja) 1984-01-20
JPH0531131B2 true JPH0531131B2 (enExample) 1993-05-11

Family

ID=11310161

Family Applications (2)

Application Number Title Priority Date Filing Date
JP57224788A Granted JPS5910937A (ja) 1981-12-21 1982-12-21 可変縮小／拡大比を有する複写機用原稿走査装置
JP3202496A Expired - Lifetime JPH0740120B2 (ja) 1981-12-21 1991-07-17 可変縮小／拡大比を有する複写機用原稿走査装置

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP3202496A Expired - Lifetime JPH0740120B2 (ja) 1981-12-21 1991-07-17 可変縮小／拡大比を有する複写機用原稿走査装置

Country Status (5)

Country Link
US (1) US4494866A (enExample)
EP (1) EP0082713B1 (enExample)
JP (2) JPS5910937A (enExample)
DE (1) DE3270322D1 (enExample)
IT (1) IT1145600B (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4543643A (en) * 1982-05-28 1985-09-24 Minolta Camera Copying magnification setting device for an electrophotographic copying apparatus
JPS5933442A (ja) * 1982-08-19 1984-02-23 Toshiba Corp 画像形成装置
JPH0767298B2 (ja) * 1983-10-26 1995-07-19 株式会社東芝 像形成装置の原稿走査制御装置
US4585331A (en) * 1984-08-20 1986-04-29 Xerox Corporation Optical scanning system utilizing linear drive motors
US4710017A (en) * 1985-06-27 1987-12-01 Mita Industrial Co., Ltd. Optical unit holding device for copying machines
US4746957A (en) * 1985-07-17 1988-05-24 Sharp Kabushiki Kaisha Variable magnification copy machine
JPS62147164A (ja) * 1985-12-20 1987-07-01 Canon Inc 走査装置
US4796059A (en) * 1987-01-28 1989-01-03 Konica Corporation Image forming apparatus with magnification changing device
JPH01107275A (ja) * 1987-10-21 1989-04-25 Sharp Corp 変倍複写機
JPH01170928A (ja) * 1987-12-25 1989-07-06 Sharp Corp 複写機の光学系移動装置
JPH0744864B2 (ja) * 1989-05-22 1995-05-15 シャープ株式会社 Ｐｌｌ速度制御回路

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3614222A (en) * 1970-04-24 1971-10-19 Olivetti & Co Spa Optical drive system for reproducing machine
JPS5241860Y2 (enExample) * 1973-02-27 1977-09-22
US4000943A (en) * 1975-02-13 1977-01-04 Xerox Corporation Two speed, duel purpose document handling system
CA1101049A (en) * 1976-12-25 1981-05-12 Masao Kono Electrostatic copying machine
JPS54133139A (en) * 1978-04-05 1979-10-16 Canon Inc Copying machine
US4218735A (en) * 1978-10-05 1980-08-19 Minnesota Mining And Manufacturng Company Digital motor control system
US4323919A (en) * 1979-08-09 1982-04-06 Canon Kabushiki Kaisha Optical scanner for reading data recorded in plural colors
DE3068912D1 (en) * 1979-12-17 1984-09-13 Ibm Optical element adjustment apparatus and method
JPS5687065A (en) * 1979-12-17 1981-07-15 Ricoh Co Ltd Traveling device of optical system mirror
EP0068292B1 (en) * 1981-06-18 1985-10-09 Kabushiki Kaisha Toshiba Optical system drive device for image formation apparatus
JPS5811966A (ja) * 1981-07-15 1983-01-22 Canon Inc 原稿走査装置
JPS5885458A (ja) * 1981-11-17 1983-05-21 Fuji Xerox Co Ltd 多段階変倍式複写装置

Also Published As

Publication number Publication date
DE3270322D1 (en) 1986-05-07
US4494866A (en) 1985-01-22
IT8168650A0 (it) 1981-12-21
JPH055955A (ja) 1993-01-14
EP0082713A1 (en) 1983-06-29
JPH0740120B2 (ja) 1995-05-01
IT1145600B (it) 1986-11-05
EP0082713B1 (en) 1986-04-02
JPS5910937A (ja) 1984-01-20

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