FR2340563A1 - Dispositif de projection d'images - Google Patents

Dispositif de projection d'images

Info

Publication number
FR2340563A1
FR2340563A1 FR7702996A FR7702996A FR2340563A1 FR 2340563 A1 FR2340563 A1 FR 2340563A1 FR 7702996 A FR7702996 A FR 7702996A FR 7702996 A FR7702996 A FR 7702996A FR 2340563 A1 FR2340563 A1 FR 2340563A1
Authority
FR
France
Prior art keywords
projection device
image projection
image
projection
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.)
Granted
Application number
FR7702996A
Other languages
English (en)
Other versions
FR2340563B1 (fr
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of FR2340563A1 publication Critical patent/FR2340563A1/fr
Application granted granted Critical
Publication of FR2340563B1 publication Critical patent/FR2340563B1/fr
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
    • G03B27/523—Projection optics for full time exposure
    • 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)
  • Optics & Photonics (AREA)
  • Variable Magnification In Projection-Type Copying Machines (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Optical Systems Of Projection Type Copiers (AREA)
FR7702996A 1976-02-03 1977-02-03 Dispositif de projection d'images Granted FR2340563A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/654,819 US4077710A (en) 1976-02-03 1976-02-03 Lens shift mechanism

Publications (2)

Publication Number Publication Date
FR2340563A1 true FR2340563A1 (fr) 1977-09-02
FR2340563B1 FR2340563B1 (fr) 1982-07-02

Family

ID=24626369

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7702996A Granted FR2340563A1 (fr) 1976-02-03 1977-02-03 Dispositif de projection d'images

Country Status (4)

Country Link
US (1) US4077710A (fr)
JP (1) JPS5296031A (fr)
FR (1) FR2340563A1 (fr)
GB (1) GB1558416A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4394084A (en) * 1979-02-12 1983-07-19 Coulter Systems Corporation Low-profile electrophotographic copying machine
MX146428A (es) * 1979-02-12 1982-06-25 Coulter Systems Corp Maquina copiadora electrofotografica con perfil reducido
JPS56133756A (en) * 1980-03-25 1981-10-20 Asahi Optical Co Ltd Optical device for variable magnification copying capable of size enlarging and reducing
JPS57150844U (fr) * 1981-03-16 1982-09-21
JPS5817463A (ja) * 1981-07-24 1983-02-01 Asahi Optical Co Ltd 複写機の２段変倍装置
US4521100A (en) * 1982-06-28 1985-06-04 Canon Kabushiki Kaisha Variable magnification image forming apparatus
US4639121A (en) * 1985-06-24 1987-01-27 Xerox Corporation Document registration system
US4942430A (en) * 1987-12-11 1990-07-17 Brother Kogyo Kabushiki Kaisha Image recording apparatus having separated optical and developing units

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3600066A (en) * 1969-06-02 1971-08-17 Xerox Corp Optical assembly with supplemental lens means
US3609036A (en) * 1969-06-02 1971-09-28 Mosler Safe Co Gearless camera-focusing apparatus
US3614222A (en) * 1970-04-24 1971-10-19 Olivetti & Co Spa Optical drive system for reproducing machine
US3631786A (en) * 1970-07-23 1972-01-04 Eastman Kodak Co Adjusting mechanism for zoom lens system
US3829209A (en) * 1971-06-11 1974-08-13 Xerox Corp Image registration in a multiple magnification photocopying system
US3873189A (en) * 1972-06-23 1975-03-25 Rank Xerox Ltd Adjustable-position optical system

Also Published As

Publication number Publication date
GB1558416A (en) 1980-01-03
JPS5296031A (en) 1977-08-12
US4077710A (en) 1978-03-07
FR2340563B1 (fr) 1982-07-02

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Legal Events

Date Code Title Description
ST Notification of lapse