IT1122487B - FOCUS ROTATING COMPLEX FOR AN ELECTRO-PHOTOGRAPHIC COPIER WITH VARIABLE MAGNIFICATION FACTOR - Google Patents

FOCUS ROTATING COMPLEX FOR AN ELECTRO-PHOTOGRAPHIC COPIER WITH VARIABLE MAGNIFICATION FACTOR

Info

Publication number
IT1122487B
IT1122487B IT25077/79A IT2507779A IT1122487B IT 1122487 B IT1122487 B IT 1122487B IT 25077/79 A IT25077/79 A IT 25077/79A IT 2507779 A IT2507779 A IT 2507779A IT 1122487 B IT1122487 B IT 1122487B
Authority
IT
Italy
Prior art keywords
electro
variable magnification
magnification factor
photographic copier
rotating complex
Prior art date
Application number
IT25077/79A
Other languages
Italian (it)
Other versions
IT7925077A0 (en
Original Assignee
Savin Corp
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 Savin Corp filed Critical Savin Corp
Publication of IT7925077A0 publication Critical patent/IT7925077A0/en
Application granted granted Critical
Publication of IT1122487B publication Critical patent/IT1122487B/en

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
    • G03B27/50—Projection printing apparatus, e.g. enlarger, copying camera with slit or like diaphragm moving over original for progressive exposure
    • 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
    • G03B27/34—Means for automatic focusing therefor
    • G03B27/36—Means for automatic focusing therefor by mechanical connections, e.g. by cam, by linkage
    • 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)
IT25077/79A 1978-11-09 1979-08-10 FOCUS ROTATING COMPLEX FOR AN ELECTRO-PHOTOGRAPHIC COPIER WITH VARIABLE MAGNIFICATION FACTOR IT1122487B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US95930378A 1978-11-09 1978-11-09

Publications (2)

Publication Number Publication Date
IT7925077A0 IT7925077A0 (en) 1979-08-10
IT1122487B true IT1122487B (en) 1986-04-23

Family

ID=25501892

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25077/79A IT1122487B (en) 1978-11-09 1979-08-10 FOCUS ROTATING COMPLEX FOR AN ELECTRO-PHOTOGRAPHIC COPIER WITH VARIABLE MAGNIFICATION FACTOR

Country Status (6)

Country Link
JP (1) JPS5567766A (en)
CA (1) CA1126800A (en)
DE (1) DE2944721A1 (en)
FR (1) FR2441200A1 (en)
GB (1) GB2034489B (en)
IT (1) IT1122487B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6156335A (en) * 1984-08-28 1986-03-22 Konishiroku Photo Ind Co Ltd Variable magnification exposing device
JPS6188145U (en) * 1984-11-14 1986-06-09
JPS62169137A (en) * 1986-01-21 1987-07-25 Fuji Photo Film Co Ltd Microphotograph enlarging-restoring device
EP2961040B1 (en) 2013-02-20 2019-05-08 Mitsubishi Electric Corporation Electric motor having embedded permanent magnets

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3049968A (en) * 1959-03-02 1962-08-21 Xerox Corp Xerographic reproduction apparatus
JPS541178B1 (en) * 1970-11-06 1979-01-22
JPS5322444B1 (en) * 1971-03-09 1978-07-08
GB1438137A (en) * 1973-10-02 1976-06-03 Gestetner Byfleet Ltd Copying machines
US4033692A (en) * 1975-10-30 1977-07-05 Xerox Corporation Multi-mode reproducing machine
DE2735679A1 (en) * 1977-08-08 1979-02-15 Canon Kk Photocopier with enlarging facility - swings mirrors and lens assemblies into optical path to alter degree of enlargement or reduction

Also Published As

Publication number Publication date
CA1126800A (en) 1982-06-29
JPS5567766A (en) 1980-05-22
FR2441200B1 (en) 1984-07-06
DE2944721C2 (en) 1990-10-18
IT7925077A0 (en) 1979-08-10
JPH045988B2 (en) 1992-02-04
DE2944721A1 (en) 1980-05-22
FR2441200A1 (en) 1980-06-06
GB2034489A (en) 1980-06-04
GB2034489B (en) 1983-01-06

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