JPS5617662B1 - - Google Patents

Info

Publication number
JPS5617662B1
JPS5617662B1 JP2714471A JP2714471A JPS5617662B1 JP S5617662 B1 JPS5617662 B1 JP S5617662B1 JP 2714471 A JP2714471 A JP 2714471A JP 2714471 A JP2714471 A JP 2714471A JP S5617662 B1 JPS5617662 B1 JP S5617662B1
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.)
Pending
Application number
JP2714471A
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 JPS5617662B1 publication Critical patent/JPS5617662B1/ja
Pending 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)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Optical Systems Of Projection Type Copiers (AREA)
  • Variable Magnification In Projection-Type Copying Machines (AREA)
JP2714471A 1970-04-24 1971-04-24 Pending JPS5617662B1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3171370A 1970-04-24 1970-04-24

Publications (1)

Publication Number Publication Date
JPS5617662B1 true JPS5617662B1 (ja) 1981-04-23

Family

ID=21861005

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2714471A Pending JPS5617662B1 (ja) 1970-04-24 1971-04-24

Country Status (4)

Country Link
US (1) US3614222A (ja)
JP (1) JPS5617662B1 (ja)
DE (1) DE2121134C2 (ja)
IT (1) IT942410B (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6354256U (ja) * 1986-09-26 1988-04-12

Families Citing this family (66)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3720466A (en) * 1969-05-16 1973-03-13 Ricoh Kk Slit exposure optical system for reproducing apparatus or the like
JPS4923766B1 (ja) * 1970-08-13 1974-06-18
US3709602A (en) * 1971-11-05 1973-01-09 Ricoh Kk Optical path length compensation in a copier
JPS536527B2 (ja) * 1971-12-07 1978-03-09
USRE29179E (en) * 1971-12-17 1977-04-12 International Business Machines Corporation Reproduction apparatus incorporating alternate redevelopment and reimaging cycles for multiple copies
BE792640A (fr) * 1971-12-17 1973-03-30 Ibm Appareil de reproduction par transfert electrostatique
NL170463C (nl) * 1971-12-20 1982-11-01 Oce Van Der Grinten Nv Fotokopieerinrichting met heen- en weergaande delen in het optische systeem.
US3914044A (en) * 1972-03-29 1975-10-21 Minolta Camera Kk Surface exposure device for copying apparatus
US3871766A (en) * 1972-05-06 1975-03-18 Canon Kk Image exposure device
US3832057A (en) * 1972-06-02 1974-08-27 Xerox Corp Scanning apparatus
US4116562A (en) * 1972-10-27 1978-09-26 International Business Machines Optical system featuring change in magnification by combined lens and mirror motion
US3788740A (en) * 1972-12-08 1974-01-29 Xerox Corp Imaging system
JPS5241860Y2 (ja) * 1973-02-27 1977-09-22
BE815654A (nl) * 1973-06-05 1974-11-29 Optisch kopieerapparaat
USRE30164E (en) * 1973-06-05 1979-12-11 Agfa-Gevaert, A.G. Exposure system for electrophotographic copying apparatus
US3897148A (en) * 1973-11-29 1975-07-29 Ibm Optical scanning system
US3910699A (en) * 1974-10-25 1975-10-07 Robert A Middleton Scan cycling mechanism for copiers
JPS6014345B2 (ja) * 1974-12-25 1985-04-12 株式会社リコー 電子複写機における変倍スリツト露光方法
US3989369A (en) * 1975-01-10 1976-11-02 Rank Xerox, Ltd. Scanning mechanism for a copying apparatus
JPS51120718A (en) * 1975-04-15 1976-10-22 Ricoh Co Ltd Exposure method for duplicator
US3966319A (en) * 1975-04-21 1976-06-29 Xerox Corporation Flat field scanning mirror
US4029409A (en) * 1975-06-20 1977-06-14 Xerox Corporation Multi-mode optical scanning system
US4027963A (en) * 1975-06-20 1977-06-07 Xerox Corporation Multi-mode reproducing apparatus
US4095880A (en) * 1975-06-27 1978-06-20 Xerox Corporation Extended range variable magnification reproduction machine
JPS524843A (en) * 1975-07-01 1977-01-14 Canon Inc Drive unit of movable body
US4116554A (en) * 1975-08-29 1978-09-26 International Business Machines Corporation Optical reduction system featuring the provision of borders
JPS5949574B2 (ja) * 1975-10-30 1984-12-04 ゼロツクス、コ−ポレ−シヨン 複写機
US4033691A (en) * 1975-10-30 1977-07-05 Xerox Corporation Variable magnification reproducing apparatus
US4035075A (en) * 1975-11-26 1977-07-12 Minnesota Mining And Manufacturing Company Image scanning system for copy machines
US4077710A (en) * 1976-02-03 1978-03-07 Eastman Kodak Company Lens shift mechanism
US4032231A (en) * 1976-05-03 1977-06-28 Xerox Corporation Multiple range variable magnification reproduction machine using three-dimensional cam
US4076417A (en) * 1976-05-03 1978-02-28 Xerox Corporation Interlocking apparatus for an optical system and reproducing machine
US4118118A (en) * 1976-05-07 1978-10-03 Universal Photocopy, Inc. Electrostatic copier machine with selectable magnification ratios
DE2626917C3 (de) * 1976-06-16 1980-11-20 Canon K.K., Tokio Fotokopiergerät
US4120578A (en) * 1976-09-07 1978-10-17 International Business Machines Corporation Continuously variable reduction scanning optics drive
GB1525218A (en) * 1976-09-07 1978-09-20 Ibm Electrophotographic copying machine
US4080062A (en) * 1976-11-24 1978-03-21 Canon Kabushiki Kaisha Variable magnification optical mechanism
US4124293A (en) * 1976-12-09 1978-11-07 International Business Machines Corporation Cam-operated scanning optics drive for a continuously variable magnification system
JPS5820428B2 (ja) * 1976-12-14 1983-04-22 キヤノン株式会社 露光光学系の倍率変換装置
US4084897A (en) * 1976-12-27 1978-04-18 International Business Machines Corporation Half-lens/mirror copier providing original-to-copy image reduction
US4135812A (en) * 1977-06-20 1979-01-23 Xerox Corporation Magnification change mechanism
GB2007376B (en) * 1977-09-09 1982-05-26 Canon Kk Copier
US4142793A (en) * 1977-12-09 1979-03-06 Minnesota Mining And Manufacturing Company Variable speed drive apparatus for the scanning system of a copy machine
JPS5836889B2 (ja) * 1978-04-15 1983-08-12 ミノルタ株式会社 走査露光型変倍複写機
US5146276A (en) * 1978-11-09 1992-09-08 Spectrum Sciences B.V. Rotatable focusing means and variable magnification electrophotocopier
DE2949338C2 (de) * 1978-12-08 1986-06-19 Canon K.K., Tokio/Tokyo Vorrichtung zum Verändern des Kopiermaßstabs
JPS55124168A (en) * 1979-03-19 1980-09-25 Ricoh Co Ltd Scanning method in variable power type copying machine and its device
NL7903392A (nl) * 1979-05-01 1980-11-04 Oce Nederland Bv Instelinrichting voor een optisch systeem.
JPS5621158A (en) * 1979-07-27 1981-02-27 Canon Inc Copying apparatus
US4332461A (en) * 1979-12-06 1982-06-01 Ibm Corporation Electrical drive for scanning optics in a continuously variable reduction copier
US4298274A (en) * 1980-01-07 1981-11-03 Rees James D Variable density filter for a multi-magnification copying device
DE3109812A1 (de) * 1980-03-13 1982-01-07 Canon K.K., Tokyo "elektrofotografisches verfahren"
US4353643A (en) * 1980-06-02 1982-10-12 Xerox Corporation Multimagnification mode optical system with rotating and translating lens
US4368976A (en) * 1981-03-09 1983-01-18 Xerox Corporation Variable speed scanning system
JPS5852659A (ja) * 1981-09-24 1983-03-28 Asahi Optical Co Ltd 拡大・縮小が可能な連続可変倍複写装置
US4374619A (en) * 1981-11-02 1983-02-22 Xerox Corporation Variable magnification copying apparatus
JPS5895358A (ja) * 1981-11-30 1983-06-06 Mita Ind Co Ltd 可変倍率静電複写方法
IT1145600B (it) * 1981-12-21 1986-11-05 Olivetti & Co Spa Dispositivo di scansione di un originale per copiatrici con rapporto di riduzione ingrandimento variabile
DE3224344C2 (de) * 1982-06-30 1986-01-23 Agfa-Gevaert Ag, 5090 Leverkusen Optisches Kopiergerät
JPS5933442A (ja) * 1982-08-19 1984-02-23 Toshiba Corp 画像形成装置
US4538904A (en) * 1982-09-21 1985-09-03 Xerox Corporation Multiple magnification mode copying apparatus
JPS5969749A (ja) * 1982-10-14 1984-04-20 Sharp Corp 電子写真複写機の光学装置
JPS60151622A (ja) * 1984-01-20 1985-08-09 Casio Comput Co Ltd 画像形成装置
US4669857A (en) * 1985-06-24 1987-06-02 Xerox Corporation Double dual rate precession scan system
US4782361A (en) * 1987-03-11 1988-11-01 Xerox Corporation Imaging system with a plurality of document registration positions
JP2563200B2 (ja) * 1988-08-01 1996-12-11 旭光学工業株式会社 複写機の変倍光学装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1073845A (en) * 1965-01-27 1967-06-28 Rudolph Rodenstock Method and apparatus for copying planar originals
GB1156948A (en) * 1966-10-26 1969-07-02 Konishiroku Photo Ind Photographic Copying Device
FR2007454A1 (ja) * 1968-04-15 1970-01-09 Xerox Corp

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2478555A (en) * 1947-11-28 1949-08-09 Eastman Kodak Co Optical scanning device
DE1215503B (de) * 1964-03-28 1966-04-28 Zindler Lumoprint Kg Flaechenbelichtungsvorrichtung fuer Kopiergeraete
FR1434448A (fr) * 1964-03-28 1966-04-08 Zindler Lumoprint Kg Dispositif d'exposition de surfaces
US3431053A (en) * 1964-10-23 1969-03-04 Agfa Gevaert Ag Optical copying apparatus
US3533691A (en) * 1966-10-22 1970-10-13 Ricoh Kk Electrophotographic duplicator

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1073845A (en) * 1965-01-27 1967-06-28 Rudolph Rodenstock Method and apparatus for copying planar originals
GB1156948A (en) * 1966-10-26 1969-07-02 Konishiroku Photo Ind Photographic Copying Device
FR2007454A1 (ja) * 1968-04-15 1970-01-09 Xerox Corp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6354256U (ja) * 1986-09-26 1988-04-12

Also Published As

Publication number Publication date
DE2121134C2 (de) 1985-04-04
DE2121134A1 (de) 1971-11-04
IT942410B (it) 1973-03-20
US3614222A (en) 1971-10-19

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