CA1024388A - Optical apparatus for projecting an image onto an object plane - Google Patents

Optical apparatus for projecting an image onto an object plane

Info

Publication number
CA1024388A
CA1024388A CA209,713A CA209713A CA1024388A CA 1024388 A CA1024388 A CA 1024388A CA 209713 A CA209713 A CA 209713A CA 1024388 A CA1024388 A CA 1024388A
Authority
CA
Canada
Prior art keywords
projecting
object plane
image onto
optical apparatus
onto
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
CA209,713A
Other languages
English (en)
French (fr)
Other versions
CA209713S (en
Inventor
Dieter Nier
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.)
Xerox Ltd
Original Assignee
Rank Xerox 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
Priority claimed from DE19732347622 external-priority patent/DE2347622C3/de
Application filed by Rank Xerox Ltd filed Critical Rank Xerox Ltd
Application granted granted Critical
Publication of CA1024388A publication Critical patent/CA1024388A/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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Variable Magnification In Projection-Type Copying Machines (AREA)
  • Optical Systems Of Projection Type Copiers (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Lenses (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
  • Eye Examination Apparatus (AREA)
CA209,713A 1973-09-21 1974-09-20 Optical apparatus for projecting an image onto an object plane Expired CA1024388A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732347622 DE2347622C3 (de) 1973-09-21 Optische Einrichtung mit einer Abbiklungsanordnung für mehrere VergröBerungseinstellungen, Insbesondere für eine xerographische Kopiermaschine

Publications (1)

Publication Number Publication Date
CA1024388A true CA1024388A (en) 1978-01-17

Family

ID=5893306

Family Applications (1)

Application Number Title Priority Date Filing Date
CA209,713A Expired CA1024388A (en) 1973-09-21 1974-09-20 Optical apparatus for projecting an image onto an object plane

Country Status (10)

Country Link
US (1) US3917393A (it)
JP (1) JPS5427259B2 (it)
BE (1) BE820132A (it)
CA (1) CA1024388A (it)
ES (1) ES430264A1 (it)
FR (1) FR2245007B1 (it)
GB (1) GB1485034A (it)
IT (1) IT1022092B (it)
NL (1) NL7412375A (it)
SE (1) SE398166B (it)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US3966319A (en) * 1975-04-21 1976-06-29 Xerox Corporation Flat field scanning mirror
JPS5552439Y2 (it) * 1975-09-12 1980-12-05
US4057342A (en) * 1976-05-27 1977-11-08 Xerox Corporation Illumination slit for a reproducing machine
JPS5841497B2 (ja) * 1976-05-31 1983-09-12 ミノルタ株式会社 スリット露光型複写機における露光量調整装置
JPS5611085Y2 (it) * 1976-06-12 1981-03-12
JPS5392126A (en) * 1977-01-25 1978-08-12 Ricoh Co Ltd Exposure regulator for variable magnification copying machine
US4243312A (en) * 1977-10-11 1981-01-06 Minolta Camera Kabushiki Kaisha Electrophotographic copying apparatus
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
JPS554454U (it) * 1978-06-23 1980-01-12
US4260249A (en) * 1979-09-17 1981-04-07 International Business Machines Two slit illumination aperture
JPS5896550U (ja) * 1981-12-21 1983-06-30 株式会社東芝 電子写真用露光装置
JPS58144853A (ja) * 1982-02-23 1983-08-29 Fuji Xerox Co Ltd 変倍複写機の照度むら補正装置
DE3414278C2 (de) * 1984-04-14 1986-03-06 Agfa-Gevaert Ag, 5090 Leverkusen Blendensteuervorrichtung für eine Spaltblende eines Mikrofilm-Lese- und -Rückvergrößerungsgerätes
US5436691A (en) * 1994-05-05 1995-07-25 Xerox Corporation Copier with anamorphic magnification imaging system
JP4488698B2 (ja) * 2003-07-11 2010-06-23 株式会社東芝 光走査装置及び絞り装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3542467A (en) * 1968-04-15 1970-11-24 Xerox Corp Xerographic reproducing apparatus

Also Published As

Publication number Publication date
IT1022092B (it) 1978-03-20
SE7411666L (it) 1975-03-24
JPS5084244A (it) 1975-07-08
DE2347622A1 (de) 1975-04-03
JPS5427259B2 (it) 1979-09-08
BE820132A (fr) 1975-03-20
GB1485034A (en) 1977-09-08
US3917393A (en) 1975-11-04
FR2245007A1 (it) 1975-04-18
NL7412375A (nl) 1975-03-25
FR2245007B1 (it) 1977-11-04
ES430264A1 (es) 1977-02-16
SE398166B (sv) 1977-12-05
DE2347622B2 (de) 1976-08-26

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